private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
try
{
Keys KeyPressed = (Keys)wParam;
Microsoft.VisualBasic.Devices.Keyboard UserKeyBoard = new Microsoft.VisualBasic.Devices.Keyboard();
bool AltPressed = UserKeyBoard.AltKeyDown;
bool ControlPressed = UserKeyBoard.CtrlKeyDown;
bool ShiftPressed = UserKeyBoard.ShiftKeyDown;
ModifierKeys LocalModifier = ModifierKeys.None;
if (AltPressed)
{
LocalModifier = ModifierKeys.Alt;
}
if (ControlPressed)
{
LocalModifier |= ModifierKeys.Control;
}
if (ShiftPressed)
{
LocalModifier |= ModifierKeys.Shift;
}
switch ((KeyboardMessages)msg)
{
case KeyboardMessages.WmSyskeydown:
case KeyboardMessages.WmKeydown:
switch (KeyPressed)
{
case Keys.Control:
case Keys.ControlKey:
case Keys.LControlKey:
case Keys.RControlKey:
case Keys.Shift:
case Keys.ShiftKey:
case Keys.LShiftKey:
case Keys.RShiftKey:
case Keys.Alt:
case Keys.Menu:
case Keys.LMenu:
case Keys.RMenu:
case Keys.LWin:
return(IntPtr.Zero);
//case Keys.Back:
// this.Text = Keys.None.ToString();
// return IntPtr.Zero;
}
if (LocalModifier != ModifierKeys.None)
{
this.Text = HotKeyShared.CombineShortcut(LocalModifier, KeyPressed);
}
else
{
if (ForceModifiers)
{
this.Text = Keys.None.ToString();
MessageBox.Show("You have to specify a modifier like 'Control', 'Alt' or 'Shift'");
}
else
{
this.Text = KeyPressed.ToString();
}
}
return(IntPtr.Zero);;
case KeyboardMessages.WmSyskeyup:
case KeyboardMessages.WmKeyup:
if (!String.IsNullOrEmpty(Text.Trim()) || this.Text != Keys.None.ToString())
{
if (HotKeyIsSetEvent != null)
{
var e = new HotKeyIsSetEventArgs(HotKeyIsSetEvent, UserKey, UserModifier);
base.RaiseEvent(e);
if (e.Cancel)
{
this.Text = Keys.None.ToString();
}
}
}
return(IntPtr.Zero);
}
}
catch (OverflowException) { }
return(IntPtr.Zero);
}
private IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
try
{
Keys KeyPressed = (Keys)wParam;
Microsoft.VisualBasic.Devices.Keyboard UserKeyBoard = new Microsoft.VisualBasic.Devices.Keyboard();
bool AltPressed = UserKeyBoard.AltKeyDown;
bool ControlPressed = UserKeyBoard.CtrlKeyDown;
bool ShiftPressed = UserKeyBoard.ShiftKeyDown;
ModifierKeys LocalModifier = ModifierKeys.None;
if (AltPressed) { LocalModifier = ModifierKeys.Alt; }
if (ControlPressed) { LocalModifier |= ModifierKeys.Control; }
if (ShiftPressed) { LocalModifier |= ModifierKeys.Shift; }
switch ((KeyboardMessages)msg)
{
case KeyboardMessages.WmSyskeydown:
case KeyboardMessages.WmKeydown:
switch (KeyPressed)
{
case Keys.Control:
case Keys.ControlKey:
case Keys.LControlKey:
case Keys.RControlKey:
case Keys.Shift:
case Keys.ShiftKey:
case Keys.LShiftKey:
case Keys.RShiftKey:
case Keys.Alt:
case Keys.Menu:
case Keys.LMenu:
case Keys.RMenu:
case Keys.LWin:
return IntPtr.Zero;
//case Keys.Back:
// this.Text = Keys.None.ToString();
// return IntPtr.Zero;
}
if (LocalModifier != ModifierKeys.None)
{
this.Text = HotKeyShared.CombineShortcut(LocalModifier, KeyPressed);
}
else
{
if (ForceModifiers)
{
this.Text = Keys.None.ToString();
MessageBox.Show("You have to specify a modifier like 'Control', 'Alt' or 'Shift'");
}
else
{ this.Text = KeyPressed.ToString(); }
}
return IntPtr.Zero; ;
case KeyboardMessages.WmSyskeyup:
case KeyboardMessages.WmKeyup:
if (!String.IsNullOrEmpty(Text.Trim()) || this.Text != Keys.None.ToString())
{
if (HotKeyIsSetEvent != null)
{
var e = new HotKeyIsSetEventArgs(HotKeyIsSetEvent, UserKey, UserModifier);
base.RaiseEvent(e);
if (e.Cancel)
{
this.Text = Keys.None.ToString();
}
}
}
return IntPtr.Zero;
}
}
catch (OverflowException) { }
return IntPtr.Zero;
}