diff --git a/src/Generator/Program.cs b/src/Generator/Program.cs
index 3736883..ba9e1ce 100644
--- a/src/Generator/Program.cs
+++ b/src/Generator/Program.cs
@@ -1985,8 +1985,9 @@ public static class Program
                     if (returnType != "void" &&
                         method.ReturnType.TargetKind != "Com" &&
                         method.ReturnType.Kind == "ApiRef" &&
-                        !IsPrimitive(method.ReturnType) &&
-                        !IsEnum(method.ReturnType))
+                        !IsEnum(method.ReturnType) &&
+                        IsStructAsReturnMarshal(method.ReturnType)
+                        )
                     {
                         useReturnAsParameter = true;
                     }
@@ -2699,6 +2700,59 @@ public static class Program
         return IsPrimitive(typeName);
     }
 
+    private static bool IsStructAsReturnMarshal(ApiDataType dataType)
+    {
+        if (dataType.Kind != "ApiRef")
+        {
+            throw new InvalidOperationException();
+        }
+
+        string apiRefType = GetTypeName($"{dataType.Api}.{dataType.Name}");
+        if (apiRefType.EndsWith("*"))
+        {
+            apiRefType = apiRefType.Substring(0, apiRefType.Length - 1);
+        }
+
+        switch (apiRefType)
+        {
+            case "void":
+            case "bool":
+            case "byte":
+            case "sbyte":
+            case "int":
+            case "uint":
+            case "short":
+            case "ushort":
+            case "long":
+            case "ulong":
+            case "float":
+            case "double":
+                return false;
+
+            case "nint":
+            case "nuint":
+            case "IntPtr":
+            case "UIntPtr":
+            case "Guid":
+                return false;
+
+            case "Bool32":
+            case "HResult":
+                return false;
+
+            case "LargeInteger":
+            case "ULargeInteger":
+                return true;
+
+            case "Luid":
+                return true;
+
+            default:
+                return true;
+        }
+    }
+
+
     private static bool IsEnum(ApiDataType dataType)
     {
         if (dataType.Kind == "ApiRef")
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Bitmap.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Bitmap.cs
index 7a8d804..da3d109 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Bitmap.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Bitmap.cs
@@ -88,7 +88,8 @@ public unsafe partial struct ID2D1Bitmap
 	[VtblIndex(4)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1Bitmap*, System.Drawing.SizeF>)(lpVtbl[4]))((ID2D1Bitmap*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1Bitmap*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[4]))((ID2D1Bitmap*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1Bitmap::GetPixelSize"]/*' />
@@ -96,7 +97,8 @@ public unsafe partial struct ID2D1Bitmap
 	[VtblIndex(5)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1Bitmap*, System.Drawing.Size>)(lpVtbl[5]))((ID2D1Bitmap*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1Bitmap*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[5]))((ID2D1Bitmap*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1Bitmap::GetPixelFormat"]/*' />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Bitmap1.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Bitmap1.cs
index 2e9075a..d427de0 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Bitmap1.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Bitmap1.cs
@@ -88,7 +88,8 @@ public unsafe partial struct ID2D1Bitmap1
 	[VtblIndex(4)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1Bitmap1*, System.Drawing.SizeF>)(lpVtbl[4]))((ID2D1Bitmap1*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1Bitmap1*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[4]))((ID2D1Bitmap1*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1Bitmap.GetPixelSize" />
@@ -96,7 +97,8 @@ public unsafe partial struct ID2D1Bitmap1
 	[VtblIndex(5)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1Bitmap1*, System.Drawing.Size>)(lpVtbl[5]))((ID2D1Bitmap1*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1Bitmap1*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[5]))((ID2D1Bitmap1*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1Bitmap.GetPixelFormat" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1BitmapRenderTarget.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1BitmapRenderTarget.cs
index 4c1b7ba..4289aa9 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1BitmapRenderTarget.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1BitmapRenderTarget.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1BitmapRenderTarget
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1BitmapRenderTarget*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1BitmapRenderTarget*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1BitmapRenderTarget*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1BitmapRenderTarget*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1BitmapRenderTarget
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1BitmapRenderTarget*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1BitmapRenderTarget*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1BitmapRenderTarget*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1BitmapRenderTarget*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DCRenderTarget.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DCRenderTarget.cs
index 0fa492d..827c407 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DCRenderTarget.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DCRenderTarget.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1DCRenderTarget
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DCRenderTarget*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1DCRenderTarget*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DCRenderTarget*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1DCRenderTarget*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1DCRenderTarget
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DCRenderTarget*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1DCRenderTarget*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DCRenderTarget*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1DCRenderTarget*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext.cs
index b423c9f..8f8d748 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1DeviceContext
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1DeviceContext*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1DeviceContext*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1DeviceContext
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1DeviceContext*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1DeviceContext*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext1.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext1.cs
index fada1b5..f3413a3 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext1.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext1.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1DeviceContext1
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext1*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1DeviceContext1*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext1*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1DeviceContext1*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1DeviceContext1
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext1*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1DeviceContext1*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext1*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1DeviceContext1*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext2.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext2.cs
index 558bac9..0a9ef22 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext2.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext2.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1DeviceContext2
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext2*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1DeviceContext2*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext2*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1DeviceContext2*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1DeviceContext2
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext2*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1DeviceContext2*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext2*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1DeviceContext2*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext3.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext3.cs
index c438766..3771f8d 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext3.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext3.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1DeviceContext3
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext3*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1DeviceContext3*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext3*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1DeviceContext3*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1DeviceContext3
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext3*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1DeviceContext3*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext3*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1DeviceContext3*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext4.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext4.cs
index db76757..bc532da 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext4.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext4.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1DeviceContext4
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext4*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1DeviceContext4*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext4*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1DeviceContext4*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1DeviceContext4
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext4*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1DeviceContext4*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext4*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1DeviceContext4*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext5.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext5.cs
index 3b9c90c..a8c9843 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext5.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext5.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1DeviceContext5
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext5*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1DeviceContext5*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext5*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1DeviceContext5*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1DeviceContext5
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext5*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1DeviceContext5*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext5*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1DeviceContext5*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext6.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext6.cs
index 1a2c51c..3503ba4 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext6.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1DeviceContext6.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1DeviceContext6
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext6*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1DeviceContext6*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext6*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1DeviceContext6*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1DeviceContext6
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1DeviceContext6*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1DeviceContext6*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1DeviceContext6*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1DeviceContext6*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1HwndRenderTarget.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1HwndRenderTarget.cs
index ddfca79..901dad2 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1HwndRenderTarget.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1HwndRenderTarget.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1HwndRenderTarget
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1HwndRenderTarget*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1HwndRenderTarget*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1HwndRenderTarget*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1HwndRenderTarget*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetPixelSize" />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1HwndRenderTarget
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1HwndRenderTarget*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1HwndRenderTarget*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1HwndRenderTarget*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1HwndRenderTarget*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID2D1RenderTarget.GetMaximumBitmapSize" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Layer.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Layer.cs
index 44d33a9..e61017c 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Layer.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1Layer.cs
@@ -88,7 +88,8 @@ public unsafe partial struct ID2D1Layer
 	[VtblIndex(4)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1Layer*, System.Drawing.SizeF>)(lpVtbl[4]))((ID2D1Layer*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1Layer*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[4]))((ID2D1Layer*)Unsafe.AsPointer(ref this), &result);
 	}
 }
 
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1LinearGradientBrush.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1LinearGradientBrush.cs
index 8a40ffc..c51922a 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1LinearGradientBrush.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1LinearGradientBrush.cs
@@ -136,7 +136,8 @@ public unsafe partial struct ID2D1LinearGradientBrush
 	[VtblIndex(10)]
 	public System.Drawing.PointF GetStartPoint()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1LinearGradientBrush*, System.Drawing.PointF>)(lpVtbl[10]))((ID2D1LinearGradientBrush*)Unsafe.AsPointer(ref this));
+		System.Drawing.PointF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1LinearGradientBrush*, System.Drawing.PointF*, System.Drawing.PointF*>)(lpVtbl[10]))((ID2D1LinearGradientBrush*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1LinearGradientBrush::GetEndPoint"]/*' />
@@ -144,7 +145,8 @@ public unsafe partial struct ID2D1LinearGradientBrush
 	[VtblIndex(11)]
 	public System.Drawing.PointF GetEndPoint()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1LinearGradientBrush*, System.Drawing.PointF>)(lpVtbl[11]))((ID2D1LinearGradientBrush*)Unsafe.AsPointer(ref this));
+		System.Drawing.PointF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1LinearGradientBrush*, System.Drawing.PointF*, System.Drawing.PointF*>)(lpVtbl[11]))((ID2D1LinearGradientBrush*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1LinearGradientBrush::GetGradientStopCollection"]/*' />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1OffsetTransform.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1OffsetTransform.cs
index a86ca45..c2b13ae 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1OffsetTransform.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1OffsetTransform.cs
@@ -96,7 +96,8 @@ public unsafe partial struct ID2D1OffsetTransform
 	[VtblIndex(5)]
 	public System.Drawing.Point GetOffset()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1OffsetTransform*, System.Drawing.Point>)(lpVtbl[5]))((ID2D1OffsetTransform*)Unsafe.AsPointer(ref this));
+		System.Drawing.Point result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1OffsetTransform*, System.Drawing.Point*, System.Drawing.Point*>)(lpVtbl[5]))((ID2D1OffsetTransform*)Unsafe.AsPointer(ref this), &result);
 	}
 }
 
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1RadialGradientBrush.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1RadialGradientBrush.cs
index 7103fc8..c6968d6 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1RadialGradientBrush.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1RadialGradientBrush.cs
@@ -152,7 +152,8 @@ public unsafe partial struct ID2D1RadialGradientBrush
 	[VtblIndex(12)]
 	public System.Drawing.PointF GetCenter()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1RadialGradientBrush*, System.Drawing.PointF>)(lpVtbl[12]))((ID2D1RadialGradientBrush*)Unsafe.AsPointer(ref this));
+		System.Drawing.PointF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1RadialGradientBrush*, System.Drawing.PointF*, System.Drawing.PointF*>)(lpVtbl[12]))((ID2D1RadialGradientBrush*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1RadialGradientBrush::GetGradientOriginOffset"]/*' />
@@ -160,7 +161,8 @@ public unsafe partial struct ID2D1RadialGradientBrush
 	[VtblIndex(13)]
 	public System.Drawing.PointF GetGradientOriginOffset()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1RadialGradientBrush*, System.Drawing.PointF>)(lpVtbl[13]))((ID2D1RadialGradientBrush*)Unsafe.AsPointer(ref this));
+		System.Drawing.PointF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1RadialGradientBrush*, System.Drawing.PointF*, System.Drawing.PointF*>)(lpVtbl[13]))((ID2D1RadialGradientBrush*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1RadialGradientBrush::GetRadiusX"]/*' />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1RenderTarget.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1RenderTarget.cs
index a51c777..007097d 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1RenderTarget.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1RenderTarget.cs
@@ -481,7 +481,8 @@ public unsafe partial struct ID2D1RenderTarget
 	[VtblIndex(53)]
 	public System.Drawing.SizeF GetSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1RenderTarget*, System.Drawing.SizeF>)(lpVtbl[53]))((ID2D1RenderTarget*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1RenderTarget*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[53]))((ID2D1RenderTarget*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1RenderTarget::GetPixelSize"]/*' />
@@ -489,7 +490,8 @@ public unsafe partial struct ID2D1RenderTarget
 	[VtblIndex(54)]
 	public System.Drawing.Size GetPixelSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1RenderTarget*, System.Drawing.Size>)(lpVtbl[54]))((ID2D1RenderTarget*)Unsafe.AsPointer(ref this));
+		System.Drawing.Size result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1RenderTarget*, System.Drawing.Size*, System.Drawing.Size*>)(lpVtbl[54]))((ID2D1RenderTarget*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1RenderTarget::GetMaximumBitmapSize"]/*' />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1SvgDocument.cs b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1SvgDocument.cs
index a56bf10..61e2e5f 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1SvgDocument.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct2D/ID2D1SvgDocument.cs
@@ -96,7 +96,8 @@ public unsafe partial struct ID2D1SvgDocument
 	[VtblIndex(5)]
 	public System.Drawing.SizeF GetViewportSize()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID2D1SvgDocument*, System.Drawing.SizeF>)(lpVtbl[5]))((ID2D1SvgDocument*)Unsafe.AsPointer(ref this));
+		System.Drawing.SizeF result;
+		return *((delegate* unmanaged[Stdcall]<ID2D1SvgDocument*, System.Drawing.SizeF*, System.Drawing.SizeF*>)(lpVtbl[5]))((ID2D1SvgDocument*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct2D.xml' path='doc/member[@name="ID2D1SvgDocument::SetRoot"]/*' />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device.cs
index ff1ca95..a52c962 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device*, Luid>)(lpVtbl[43]))((ID3D12Device*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device*)Unsafe.AsPointer(ref this), &result);
 	}
 }
 
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device1.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device1.cs
index b0fad95..fda4c15 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device1.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device1.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device1
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device1*, Luid>)(lpVtbl[43]))((ID3D12Device1*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device1*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device1*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct3D12.xml' path='doc/member[@name="ID3D12Device1::CreatePipelineLibrary"]/*' />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device2.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device2.cs
index 1bbbbc3..8723c10 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device2.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device2.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device2
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device2*, Luid>)(lpVtbl[43]))((ID3D12Device2*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device2*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device2*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID3D12Device1.CreatePipelineLibrary" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device3.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device3.cs
index 3a8cedc..e2a5ab5 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device3.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device3.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device3
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device3*, Luid>)(lpVtbl[43]))((ID3D12Device3*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device3*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device3*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID3D12Device1.CreatePipelineLibrary" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device4.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device4.cs
index 5e0755b..ef2976b 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device4.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device4.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device4
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device4*, Luid>)(lpVtbl[43]))((ID3D12Device4*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device4*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device4*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID3D12Device1.CreatePipelineLibrary" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device5.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device5.cs
index 0c9645f..55fb364 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device5.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device5.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device5
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device5*, Luid>)(lpVtbl[43]))((ID3D12Device5*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device5*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device5*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID3D12Device1.CreatePipelineLibrary" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device6.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device6.cs
index dc0f5a5..b10a40d 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device6.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device6.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device6
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device6*, Luid>)(lpVtbl[43]))((ID3D12Device6*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device6*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device6*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID3D12Device1.CreatePipelineLibrary" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device7.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device7.cs
index 6d805c9..2ae7857 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device7.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device7.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device7
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device7*, Luid>)(lpVtbl[43]))((ID3D12Device7*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device7*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device7*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID3D12Device1.CreatePipelineLibrary" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device8.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device8.cs
index 64a10f9..eae961c 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device8.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device8.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device8
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device8*, Luid>)(lpVtbl[43]))((ID3D12Device8*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device8*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device8*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID3D12Device1.CreatePipelineLibrary" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device9.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device9.cs
index 12076d1..9bb4748 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device9.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12Device9.cs
@@ -402,7 +402,8 @@ public unsafe partial struct ID3D12Device9
 	[VtblIndex(43)]
 	public Luid GetAdapterLuid()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12Device9*, Luid>)(lpVtbl[43]))((ID3D12Device9*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12Device9*, Luid*, Luid*>)(lpVtbl[43]))((ID3D12Device9*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <inheritdoc cref="ID3D12Device1.CreatePipelineLibrary" />
diff --git a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12SwapChainAssistant.cs b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12SwapChainAssistant.cs
index 08e7113..6f60cbc 100644
--- a/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12SwapChainAssistant.cs
+++ b/src/Vortice.Win32/Generated/Graphics/Direct3D12/ID3D12SwapChainAssistant.cs
@@ -80,7 +80,8 @@ public unsafe partial struct ID3D12SwapChainAssistant
 	[VtblIndex(3)]
 	public Luid GetLUID()
 	{
-		return ((delegate* unmanaged[Stdcall]<ID3D12SwapChainAssistant*, Luid>)(lpVtbl[3]))((ID3D12SwapChainAssistant*)Unsafe.AsPointer(ref this));
+		Luid result;
+		return *((delegate* unmanaged[Stdcall]<ID3D12SwapChainAssistant*, Luid*, Luid*>)(lpVtbl[3]))((ID3D12SwapChainAssistant*)Unsafe.AsPointer(ref this), &result);
 	}
 
 	/// <include file='../../Direct3D12.xml' path='doc/member[@name="ID3D12SwapChainAssistant::GetSwapChainObject"]/*' />