c# 註冊了Ctrl+空格為熱鍵，捕獲後發送Ctrl+Shift

 1 public partial class Form2 : Form 2     { 3         [DllImport("user32")] 4         public static extern bool RegisterHotKey(IntPtr hWnd, int id, uint control, Keys vk); 5         //解除註冊熱鍵的api 6         [DllImport("user32")] 7         public static extern bool UnregisterHotKey(IntPtr hWnd, int id); 8         const int WM_HOTKEY = 0x0312; 9         public Form2()10         {11             InitializeComponent();12         }13 14         private void Form2_Load(object sender, EventArgs e)15         {16             //100為代號17             HotKey.RegisterHotKey(Handle, 100, HotKey.KeyModifiers.Ctrl, Keys.Space);18         }19 20         private void Form1_FormClosed(object sender, FormClosedEventArgs e)21         {22             //100為代號23             HotKey.UnregisterHotKey(this.Handle, 100);24         }25 26         protected override void WndProc(ref Message m)27         {28             switch (m.Msg)29             {30                 case WM_HOTKEY:31                 {32                     switch (m.WParam.ToInt32())33                     {34                         case 100:35                         {36                             SendKeys.Send("^+");//SHIFT:+   CTRL:^37                             break;38                         }39                     }40                     break;41                 }42             }43             base.WndProc(ref m);44         }  45     }46 47     public class HotKey48     {49         //如果函數執行成功，傳回值不為0。  50         //如果函數執行失敗，傳回值為0。要得到擴充錯誤資訊，調用GetLastError。  51         [DllImport("user32.dll", SetLastError = true)]52         public static extern bool RegisterHotKey(53             IntPtr hWnd,                //要定義熱鍵的視窗的控制代碼  54             int id,                     //定義熱鍵ID（不能與其它ID重複）             55             KeyModifiers fsModifiers,   //標識熱鍵是否在按Alt、Ctrl、Shift、Windows等鍵時才會生效  56             Keys vk                     //定義熱鍵的內容  57             );58 59         [DllImport("user32.dll", SetLastError = true)]60         public static extern bool UnregisterHotKey(61             IntPtr hWnd,                //要取消熱鍵的視窗的控制代碼  62             int id                      //要取消熱鍵的ID  63             );64 65         //定義了輔助鍵的名稱（將數字轉變為字元以便於記憶，也可去除此枚舉而直接使用數值）  66         [Flags()]67         public enum KeyModifiers68         {69             None = 0,70             Alt = 1,71             Ctrl = 2,72             Shift = 4,73             WindowsKey = 874         }75     }