C# 遊戲手柄程式開發——API 篇（三）上：鍵盤模擬 keybd_event 基礎封裝

鍵盤模擬 API

[DllImport("user32.dll")]
public static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, uint dwExtraInfo);

• bVk：虛擬鍵碼，對應 Keys 列舉
• dwFlags：KEYEVENTF_KEYDOWN (按下)、KEYEVENTF_EXTENDEDKEY (擴充鍵)、KEYEVENTF_KEYUP (釋放)

封裝列舉與方法

[Flags]
public enum KeyboardEvents {
    None = 0x0, KeyDown = 0x1, KeyUp = 0x2
}

public static void SendKeyEvent(Keys key, KeyboardEvents events) {
    if ((events & KeyboardEvents.KeyDown) == KeyboardEvents.KeyDown)
        keybd_event((byte)key, 0, KEYEVENTF_KEYDOWN, 0);
    if ((events & KeyboardEvents.KeyUp) == KeyboardEvents.KeyUp)
        keybd_event((byte)key, 0, KEYEVENTF_KEYUP, 0);
}

配合前兩篇手柄事件（KeyDown/KeyUp），即可實現手柄模擬鍵盤/滑鼠功能。