[No0000AF]去除wpf窗口标题栏ICON

        /*

                #region 去除标题栏ICON

                [DllImport("user32.dll")]
                static extern int GetWindowLong(IntPtr hwnd, int index);

                [DllImport("user32.dll")]
                static extern int SetWindowLong(IntPtr hwnd, int index, int newStyle);

                [DllImport("user32.dll")]
                static extern bool SetWindowPos(IntPtr hwnd, IntPtr hwndInsertAfter, int x, int y, int width, int height, uint flags);

                [DllImport("user32.dll")]
                static extern IntPtr SendMessage(IntPtr hwnd, uint msg, IntPtr wParam, IntPtr lParam);

                const int GWL_EXSTYLE = -20;
                const int WS_EX_DLGMODALFRAME = 0x0001;
                const int SWP_NOSIZE = 0x0001;
                const int SWP_NOMOVE = 0x0002;
                const int SWP_NOZORDER = 0x0004;
                const int SWP_FRAMECHANGED = 0x0020;
                const uint WM_SETICON = 0x0080;

                protected override void OnSourceInitialized(EventArgs e)
                {
                    base.OnSourceInitialized(e);

                    // Get this window's handle
                    IntPtr hwnd = new WindowInteropHelper(this).Handle;

                    // Change the extended window style to not show a window icon
                    int extendedStyle = GetWindowLong(hwnd, GWL_EXSTYLE);
                    SetWindowLong(hwnd, GWL_EXSTYLE, extendedStyle | WS_EX_DLGMODALFRAME);

                    // Update the window's non-client area to reflect the changes
                    SetWindowPos(hwnd, IntPtr.Zero, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);
                }

                #endregion 去除标题栏ICON

        */