每当发生按键事件时,都会调用以下函数:
static LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam) {
printf("Key is pressed !\n");
// If key pressed down,call function A
// If key released , call function B
}
如何检测这些事件?
按下的键可以是来自窗口键盘的任何键。我只想知道按下后是否按下了按键。我该怎么做?
答案 0 :(得分:1)
static LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
{
if ( nCode >= 0 )
{
if ( wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN )
{
functionA();
}
else
{
functionB();
}
}
return CallNextHookEx(hHook, nCode, wParam, lParam);
}