private unsafe fxIStream OpenHostFileInternal(string fileName)
{
IntPtr retVal = IntPtr.Zero;
IntPtr stringRef = Marshal.StringToHGlobalAnsi(fileName);
try
{
IntPtr *retValRef = &retVal;
Marshal.ThrowExceptionForHR(openHostFileMethod.method(hostPtr, stringRef, new IntPtr(retValRef)));
}
finally
{
Marshal.FreeHGlobal(stringRef);
}
return((fxIStream)Marshal.GetObjectForIUnknown(retVal));
}
public void InvokeNative([MarshalAs(UnmanagedType.Struct)] IntPtr context)
{
var hr = invokeNativeMethod.method(hostPtr, context);
Marshal.ThrowExceptionForHR(hr);
}
