private static void KeyboardHookHandler(object data)
{
if (allHotkeysSuspendCount > 0)
{
return;
}
lock (keysLocker)
{
KeyboardHookData hookData = (KeyboardHookData)data;
KeyboardMessageType keyState = hookData.keyState;
KBDLLHOOKSTRUCT keyboardData = hookData.keyData;
Keys newKeys = (Keys)keyboardData.vkCode;
Keys newModifierKeys = HotkeyUtils.GetModifierKeys(newKeys);
if (keyState == KeyboardMessageType.WM_KEYDOWN || keyState == KeyboardMessageType.WM_SYSKEYDOWN)
{
pressedModifierKeys |= newModifierKeys;
if (newKeys != pressedKey)
{
pressedKey = newKeys;
HandleHotkeys(newModifierKeys == Keys.None ? pressedKey : Keys.None);
}
}
else if (keyState == KeyboardMessageType.WM_KEYUP || keyState == KeyboardMessageType.WM_SYSKEYUP)
{
pressedKey = Keys.None;
pressedModifierKeys &= ~newModifierKeys;
}
}
}
private static IntPtr KeyboardHook(int code, IntPtr wParam, IntPtr lParam)
{
KeyboardMessageType keyState = (KeyboardMessageType)wParam;
if (code >= 0 &&
(keyState == KeyboardMessageType.WM_KEYDOWN ||
keyState == KeyboardMessageType.WM_KEYUP ||
keyState == KeyboardMessageType.WM_SYSKEYDOWN ||
keyState == KeyboardMessageType.WM_SYSKEYUP))
{
ThreadPool.QueueUserWorkItem(
KeyboardHookHandler,
new KeyboardHookData(keyState, Marshal.PtrToStructure <KBDLLHOOKSTRUCT>(lParam)));
}
return(CallNextHookEx(keyboardHook, code, wParam, lParam));
}
public KeyboardHookData(KeyboardMessageType keyState, KBDLLHOOKSTRUCT keyData)
{
this.keyState = keyState;
this.keyData = keyData;
}
