public static IntPtr Create(
QueryInterfaceDelegate queryInterface,
AddRefDelegate addRef,
ReleaseDelegate release,
BarDelegate bar)
{
var instance = new ManualVTable
{
QueryInterface = Marshal.GetFunctionPointerForDelegate(queryInterface),
AddRef = Marshal.GetFunctionPointerForDelegate(addRef),
Release = Marshal.GetFunctionPointerForDelegate(release),
Bar = Marshal.GetFunctionPointerForDelegate(bar)
};
var marshalledInstance = Marshal.AllocHGlobal(Marshal.SizeOf(instance));
Marshal.StructureToPtr(instance, marshalledInstance, false);
return(marshalledInstance);
}
public CustomQueryInterfaceResult GetInterface(ref Guid iid, out IntPtr ppv)
{
Console.WriteLine($"C# GetInterface({iid})");
if (iid != typeof(CppCom.IFoo).GUID)
{
ppv = IntPtr.Zero;
return(CustomQueryInterfaceResult.NotHandled);
}
Interlocked.Increment(ref referenceCounter);
if (marshalledInterface == IntPtr.Zero)
{
marshalledVTable = ManualVTable.Create(
QueryInterfaceDetour,
AddRefDetour,
ReleaseDetour,
BarDetour);
marshalledInterface = ManualInterface.Create(marshalledVTable);
}
ppv = marshalledInterface;
return(CustomQueryInterfaceResult.Handled);
}
public static IntPtr Create(
QueryInterfaceDelegate queryInterface,
AddRefDelegate addRef,
ReleaseDelegate release,
BarDelegate bar)
{
var instance = new ManualVTable
{
QueryInterface = Marshal.GetFunctionPointerForDelegate(queryInterface),
AddRef = Marshal.GetFunctionPointerForDelegate(addRef),
Release = Marshal.GetFunctionPointerForDelegate(release),
Bar = Marshal.GetFunctionPointerForDelegate(bar)
};
var marshalledInstance = Marshal.AllocHGlobal(Marshal.SizeOf(instance));
Marshal.StructureToPtr(instance, marshalledInstance, false);
return marshalledInstance;
}