private void btnRegHotkey_Click(object sender, EventArgs e)
{
ModifierKeys_e controlKeys = ModifierKeys_e.None;
Keys key;
if (ckbCtrl.Checked)
{
controlKeys |= ModifierKeys_e.Control;
}
if (ckbShift.Checked)
{
controlKeys |= ModifierKeys_e.Shift;
}
if (ckbAlt.Checked)
{
controlKeys |= ModifierKeys_e.Alt;
}
Object selectedKey = cmbKeys.Text;
char keyLetter = Convert.ToChar(selectedKey); //char 'M'
//key = VkKeyScan(keyLetter); //0x0000014d
//key = (Keys)selectedKey; // can not work
key = (Keys)keyLetter; // can work -> convert char 'M' to Keys.M
if (registerHotkey(controlKeys, key, hook_KeyPressed))
{
saveHotkey();
showTip("快捷键注册成功.");
}
}
/// <summary>
/// Registers a hot key in the system.
/// </summary>
/// <param name="modifier">The modifiers that are associated with the hot key.</param>
/// <param name="key">The key itself that is associated with the hot key.</param>
public void RegisterHotKey(ModifierKeys_e modifier, Keys key)
{
// increment the counter.
_currentId = _currentId + 1;
// register the hot key.
if (!RegisterHotKey(_window.Handle, _currentId, (uint)modifier, (uint)key))
throw new InvalidOperationException("Couldn't register this hot key. Please choose another hotkey!");
}
/// <summary>
/// Registers a hot key in the system.
/// </summary>
/// <param name="modifier">The modifiers that are associated with the hot key.</param>
/// <param name="key">The key itself that is associated with the hot key.</param>
public void RegisterHotKey(ModifierKeys_e modifier, Keys key)
{
// increment the counter.
_currentId = _currentId + 1;
// register the hot key.
if (!RegisterHotKey(_window.Handle, _currentId, (uint)modifier, (uint)key))
{
throw new InvalidOperationException("Couldn't register this hot key. Please choose another hotkey!");
}
}
/// <summary>
/// Overridden to get the notifications.
/// </summary>
/// <param name="m"></param>
protected override void WndProc(ref Message m)
{
base.WndProc(ref m);
// check if we got a hot key pressed.
if (m.Msg == WM_HOTKEY)
{
// get the keys.
Keys key = (Keys)(((int)m.LParam >> 16) & 0xFFFF);
ModifierKeys_e modifier = (ModifierKeys_e)((int)m.LParam & 0xFFFF);
// invoke the event to notify the parent.
if (KeyPressed != null)
{
KeyPressed(this, new KeyPressedEventArgs(modifier, key));
}
}
}
public bool registerHotkey(ModifierKeys_e controlKeys, Keys key, funcDelegate func)
{
bool registerOk = false;
KeyboardHook hook = new KeyboardHook();
// register the event that is fired after the key press.
hook.KeyPressed += new EventHandler <KeyPressedEventArgs>(func);
try
{
hook.RegisterHotKey(controlKeys, key);
registerOk = true;
}
catch (Exception ex)
{
registerOk = false;
MessageBox.Show(ex.Message);
}
return(registerOk);
}
internal KeyPressedEventArgs(ModifierKeys_e modifier, Keys key)
{
_modifier = modifier;
_key = key;
}
internal KeyPressedEventArgs(ModifierKeys_e modifier, Keys key)
{
_modifier = modifier;
_key = key;
}
public bool registerHotkey(ModifierKeys_e controlKeys, Keys key, funcDelegate func)
{
bool registerOk = false;
KeyboardHook hook = new KeyboardHook();
// register the event that is fired after the key press.
hook.KeyPressed += new EventHandler<KeyPressedEventArgs>(func);
try
{
hook.RegisterHotKey(controlKeys, key);
registerOk = true;
}
catch (Exception ex)
{
registerOk = false;
MessageBox.Show(ex.Message);
}
return registerOk;
}
