private void OnMessageIntercepted(LowLevelMessage lowLevelMessage, ref bool handled)
{
LowLevelKeyboardMessage keyboardMessage = lowLevelMessage as LowLevelKeyboardMessage;
if (handled || keyboardMessage == null)
{
return;
}
if (!IsTabKeyDown(keyboardMessage))
{
return;
}
if (!IsKeyDown(_altKey))
{
return;
}
bool shiftKeyDown = IsKeyDown(_shiftKey);
bool ctrlKeyDown = IsKeyDown(_ctrlKey);
AltTabHookEventArgs eventArgs = OnPressed(shiftKeyDown, ctrlKeyDown);
handled = eventArgs.Handled;
}
private void lowLevelKeyboardProcHook(LowLevelKeyboardMessage message, KeyboardLowLevelHookStruct info)
{
switch (message)
{
case LowLevelKeyboardMessage.WM_KEYUP:
case LowLevelKeyboardMessage.WM_SYSKEYUP:
thread_KeyUp((Keys)info.vkCode); break;
case LowLevelKeyboardMessage.WM_KEYDOWN:
case LowLevelKeyboardMessage.WM_SYSKEYDOWN:
thread_KeyDown((Keys)info.vkCode); break;
default: break;
}
}
private void RemoveEvent(Keys keys)
{
if (llhook)
{
for (int i = llmacro.Count - 1; i >= 0; i--)
{
LowLevelKeyboardMessage llm = llmacro[i] as LowLevelKeyboardMessage;
if (llm != null && llm.VirtualKeyCode == (int)keys)
{
llmacro.RemoveAt(i);
return;
}
}
MessageBox.Show("Event not found!");
}
else
{
// not needed
}
}
private static bool IsAltTabKeyCombination(LowLevelKeyboardMessage keyboardMessage)
{
return(keyboardMessage.VirtualKeyCode == (int)Keys.Tab &&
keyboardMessage.Flags == AltDown);
}
private bool IsTabKeyDown(LowLevelKeyboardMessage keyboardMessage)
{
return(keyboardMessage.VirtualKeyCode == (int)Keys.Tab &&
(keyboardMessage.Message == WM_KEYDOWN || keyboardMessage.Message == WM_SYSKEYDOWN));
}
private void lowLevelKeyboardProcHook(LowLevelKeyboardMessage message, KeyboardLowLevelHookStruct info)
{
switch (message)
{
case LowLevelKeyboardMessage.WM_KEYUP:
case LowLevelKeyboardMessage.WM_SYSKEYUP:
thread_KeyUp((Keys)info.vkCode); break;
case LowLevelKeyboardMessage.WM_KEYDOWN:
case LowLevelKeyboardMessage.WM_SYSKEYDOWN:
thread_KeyDown((Keys)info.vkCode); break;
default: break;
}
}
