/// <summary>
///
/// </summary>
/// <param name="className"></param>
/// <param name="callback"></param>
public RegisterWindow(string className, Action <WindowMessage> callback)
{
if (className == null)
{
throw new Exception("className is null");
}
if (className == string.Empty)
{
throw new Exception("className is empty");
}
_customWndProc = callback;
_wndProcDelegate = ProxyWndProc;
WndClassStruct wndClass = new WndClassStruct
{
lpszClassName = className,
lpfnWndProc = Marshal.GetFunctionPointerForDelegate(_wndProcDelegate)
};
ushort classAtom = RegisterClassW(ref wndClass);
int lastError = Marshal.GetLastWin32Error();
if (classAtom == 0 && lastError != ERROR_CLASS_ALREADY_EXISTS)
{
throw new Exception("Could not register window class");
}
_hwnd = CreateWindowExW(
0,
className,
string.Empty,
0,
0,
0,
0,
0,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero
);
Logger.Info("Created window " + _hwnd);
if (!ChangeWindowMessageFilterEx(_hwnd, WM_COPYDATA, ChangeWindowMessageFilterExAction.Allow, IntPtr.Zero))
{
var isAdmin = new WindowsPrincipal(WindowsIdentity.GetCurrent()).IsInRole(WindowsBuiltInRole.Administrator);
Logger.Warn("Failed to remove UIPI filter restrictions.");
if (isAdmin)
{
Logger.Fatal("Running as administrator, will not be able to communicate with GD due to UIPI filter.");
}
else
{
Logger.Info("Not running as administrator, UIPI filter not required.");
}
}
}
private static extern ushort RegisterClassW([In] ref WndClassStruct lpWndClass);