using System;
 
public class DllImportAttribute : Attribute
{
	public DllImportAttribute(string filename)
	{
	}
 
	public string EntryPoint { get; set; }
}
 
public struct CAPDRIVERCAPS
{
}
 
public class Test
{
	[DllImport("User32.dll", EntryPoint = "SendMessage")]
	private static extern bool SendMsgB<T>(IntPtr hWnd, int Msg, int wParam, ref T lParam) where T : struct;
 
	public static bool capDriverGetCaps(IntPtr hwnd, ref CAPDRIVERCAPS psCaps, int wSize)
	{
	    return SendMsgB(hwnd, WM_CAP_DRIVER_GET_CAPS, wSize, ref psCaps);
	}
 
	const int WM_CAP_DRIVER_GET_CAPS = 4711;
 
	public static void Main()
	{
		CAPDRIVERCAPS cdc;
		capDriverGetCaps(IntPtr.Zero, ref cdc, 0);
	}
}

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