WPF隐藏窗体左上角的图标和菜单

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49

public partial class MainWindow : Window     {         public MainWindow()         {             InitializeComponent();         }         protected override void OnSourceInitialized(EventArgs e)         {             IconHelper.RemoveIcon(this);         }     }     public static class IconHelper     {         [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;           public static void RemoveIcon(Window window)         {             //获取窗体的句柄             IntPtr hwnd = new WindowInteropHelper(window).Handle;               //改变窗体的样式             int extendedStyle = GetWindowLong(hwnd, GWL_EXSTYLE);             SetWindowLong(hwnd, GWL_EXSTYLE, extendedStyle | WS_EX_DLGMODALFRAME);               //更新窗口的非客户区，以反映变化             SetWindowPos(hwnd, IntPtr.Zero, 0, 0, 0, 0, SWP_NOMOVE |                   SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED);         }     }