private static void SetKeyboardHook(ref KeyboardHook hook, EventHandler <KeyPressedEventArgs> func, int keyData)
{
// Get Key and Modifiers from KeyData
Keys data = (Keys)keyData;
Keys key = data & Keys.KeyCode;
Keys mods = data & Keys.Modifiers;
// Set the hook
hook = new KeyboardHook();
// register the event that is fired after the key press.
hook.KeyPressed += func;
try
{
hook.RegisterHotKey(HotKeys.ToModKeys(mods), key);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Esta funcion toma los eventos KeyDown sobre los controles y actualiza el texto mostrando la informacion de la HotKey
/// </summary>
/// <param name="textBox">Control donde se actualiza el texto con la nueva HotKey</param>
/// <param name="e">KeyEventArgs e</param>
/// <param name="hook">Variable tipo KeyboardHook donde se crea el hook</param>
/// <param name="func">Funcion que es llamada cuando las teclas se apretan </param>
/// <returns>-1 Si no debe modificarse el valor del setting, 0 si se elimina la hotkey, sino int32 con la KeyData</returns>
private int CheckHotKey(TextBox textBox, KeyEventArgs e, ref KeyboardHook hook, EventHandler <KeyPressedEventArgs> func)
{
e.Handled = true;
// Fetch the actual shortcut key.
Keys key = e.KeyCode;
Keys mods = e.Modifiers;
Keys data = e.KeyData;
// Ignore modifier keys.
if (key == Keys.LShiftKey || key == Keys.RShiftKey || key == Keys.ShiftKey ||
key == Keys.LControlKey || key == Keys.RControlKey || key == Keys.ControlKey ||
key == Keys.Alt || key == Keys.LWin || key == Keys.RWin)
{
return(-1);
}
// HotKey remover keys
if (key == Keys.Back || key == Keys.Delete || key == Keys.Escape)
{
hook.Dispose();
textBox.Text = "None";
return(0);
}
// Set the hook
hook = new KeyboardHook();
// register the event that is fired after the key press.
hook.KeyPressed += func;
try
{
hook.RegisterHotKey(HotKeys.ToModKeys(mods), key);
}catch (Exception ex)
{
MessageBox.Show(ex.Message);
return(-1);
}
// Update the text box.
textBox.Text = GetTextForKeyAndMods(key, mods);
return((int)data);
}