public static extern int EnumChildWindows(IntPtr hWndParent, WindowsAPI.CallBack lpfn, int lParam);
public static extern int EnumWindows(WindowsAPI.EnumWindowsProc ewp, int lParam);
private static extern int GetWindowText(IntPtr hWnd, out WindowsAPI.STRINGBUFFER text, int nMaxCount);
private static extern bool GetWindowRect(IntPtr hWnd, out WindowsAPI.Rect lpRect);
private static extern int GetCursorPos(ref WindowsAPI.POINT lpPoint);
private static extern bool GetCursorInfo(out WindowsAPI.CURSORINFO pci);
private static extern int GetClassName(IntPtr hWnd, out WindowsAPI.STRINGBUFFER lpString, int nMaxCount);