Fix marshaling of NativeArrayInfo parameters#357
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Fixes #269 and many other problems with DirectX2D/11/12 etc.
When parameters with
NativeArrayInfoare marshaledMarshalAsAttributeis sometimes missing.https://github.com/microsoft/CsWin32/blob/main/src/Microsoft.Windows.CsWin32/PointerTypeHandleInfo.cs#L32
In this case
marshalAsvariable corresponds to element type of the array.When there is no need for setting specific
ArraySubTypetheMarshalAsAttributeis dropped altogether.It should be set to just
MarshalAs(UnmanagedType.LPArray)without specifyingArraySubType.https://github.com/microsoft/CsWin32/blob/main/src/Microsoft.Windows.CsWin32/PointerTypeHandleInfo.cs#L57
There is exactly the same code in case of marshaling structs as array. Maybe that caused some confusion.
But in that case dropping
MarshalAsis correct.