protected override HookResult HookProc(int code, int wParam, ref KeyboardHookData lParam)
{
Keys key = (Keys)lParam.vkCode;
//Key Press Event
KeyEventArgs keyEvent = new KeyEventArgs(key);
if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN)
{
KeyPress?.Invoke(keyEvent);
if (ManageHook != null)
{
return(ManageHook.Invoke(key));
}
}
return(HookResult.Release);
}
private int _hookProc(int code, int wParam, ref KeyboardHookData lParam)
{
HookResult result = HookResult.NoRelease;
if (code >= 0)
{
result = HookProc(code, wParam, ref lParam);
}
switch (result)
{
case HookResult.NoRelease:
return(1);
case HookResult.Release:
return(CallNextHookEx(hhook, code, wParam, ref lParam));;
default:
return(CallNextHookEx(hhook, code, wParam, ref lParam));;
}
}
protected virtual HookResult HookProc(int code, int wParam, ref KeyboardHookData lParam)
{
Keys k = (Keys)lParam.vkCode;
//Check for shift(s), alt, and ctrl.
//Shift
if (k == Keys.LShiftKey)
{
bLeftShiftHeld = bShiftHeld = (wParam == WM_KEYDOWN);
}
else if (k == Keys.RShiftKey)
{
bRightShiftHeld = bShiftHeld = (wParam == WM_KEYDOWN);
}
//Control
if ((lParam.vkCode & 0xA2) == 0xA2 || (lParam.vkCode & 0xA3) == 0xA3)
{
bCtrlHeld = (wParam == WM_KEYDOWN);
return(HookResult.NoRelease);
}
//Alt
if ((lParam.vkCode & 0xA4) == 0xA4 || (lParam.vkCode & 0xA5) == 0xA5)
{
bAltHeld = (wParam == WM_KEYDOWN);
return(HookResult.NoRelease);
}
if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN)
{
KeyDown?.Invoke(wParam, lParam);
}
else if (wParam == WM_KEYUP || wParam == WM_SYSKEYUP)
{
KeyUp?.Invoke(wParam, lParam);
}
return(HookResult.Release);
}
static extern int CallNextHookEx(IntPtr idHook, int nCode, int wParam, ref KeyboardHookData lParam);
