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Q: 

JNA: passing arguments as wParam/lParam (Java)

If I need to pass an integer it's pretty straightforward:

User32.INSTANCE.PostMessage(hwnd, WM_MOUSEMOVE, new W32API.WPARAM(), new W32API.LPARAM(x | y << 16))

but how do I get WPARAM out of W32API.HDC for example?

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