WNDPROC sealed delegate WNDPROC : MulticastDelegate Documentation Code public WNDPROC(object object, IntPtr method) public virtual IAsyncResult BeginInvoke(HWND hWnd, uint msg, WPARAM wParam, LPARAM lParam, AsyncCallback callback, object object) public virtual LRESULT EndInvoke(IAsyncResult result) public virtual LRESULT Invoke(HWND hWnd, uint msg, WPARAM wParam, LPARAM lParam)