HandyControl/src/Shared/Microsoft.Windows.Shell/Standard/GWL.cs

using System;

namespace Standard
{
	internal enum GWL
	{
		WNDPROC = -4,
		HINSTANCE = -6,
		HWNDPARENT = -8,
		STYLE = -16,
		EXSTYLE = -20,
		USERDATA = -21,
		ID = -12
	}
}