模擬全域性按鍵可以用keybd_event, sendinput來完成,下面是模擬一次caps lock 按鍵時兩個api函式的實現方法.
keybd_event:
keybd_event(vk_capital, 0, keyeventf_extendedkey | 0, 0); //key_down
keybd_event(vk_capital, 0, keyeventf_extendedkey | keyeventf_keyup, 0); // key_up
sendinput:
input input[2];
memset(input, 0, sizeof(input));
input[0].type = input_keyboard;
input[0].ki.wvk = vk_capital;
input[0].ki.wscan = 0x14; //掃瞄碼可以不指定
input[1].type = input_keyboard;
input[1].ki.wvk = vk_capital;
input[1].ki.wscan = 0x14;
input[1].ki.dwflags = keyeventf_keyup;
sendinput(2, input, sizeof(input));
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