// Remove any active message filter
private void RemoveMessageFilter()
{
if (_messageFilter != null)
{
Application.RemoveMessageFilter(_messageFilter);
_messageFilter = null;
}
}
// Add filter to redirect to control with handle hWnd
private void AddMessageFilter(IntPtr hWnd)
{
_messageFilter = new RedirectMessageFilter(WindowsMessages.WM_MOUSEWHEEL, hWnd);
Application.AddMessageFilter(_messageFilter);
}
private void richTextBoxMain_KeyDown(object sender, KeyEventArgs e)
{
if (e.Control == true)
{
if (e.KeyCode == Keys.Z)//Undo
{
richTextBoxMain.Undo();
}
else if (e.KeyCode == Keys.Y)//Redo
{
richTextBoxMain.Redo();
}
else if (e.KeyCode == Keys.X)//Cut
{
richTextBoxMain.Cut();
}
else if (e.KeyCode == Keys.C)//Copy
{
richTextBoxMain.Copy();
}
else if (e.KeyCode == Keys.V)//Paste
{
richTextBoxMain.Paste();
}
else if (e.KeyCode == Keys.D)//Clear
{
richTextBoxMain.Clear();
}
else if (e.KeyCode == Keys.A)//SelectAll
{
richTextBoxMain.SelectAll();
}
else
{
return;
}
e.Handled = true;
}
else
{
// Redirect those keypresses to the right control
switch (e.KeyCode)
{
case Keys.PageDown:
RedirectMessageFilter.PostMessage(listViewEditor.Handle, (int)WindowsMessages.WM_KEYDOWN, new IntPtr((int)VirtualKeys.VK_NEXT), IntPtr.Zero);
break;
case Keys.PageUp:
RedirectMessageFilter.PostMessage(listViewEditor.Handle, (int)WindowsMessages.WM_KEYDOWN, new IntPtr((int)VirtualKeys.VK_PRIOR), IntPtr.Zero);
break;
// case Keys.Home:
// RedirectMessageFilter.PostMessage(listViewEditor.Handle, (int)WindowsMessages.WM_KEYDOWN, new IntPtr((int)VirtualKeys.VK_HOME), IntPtr.Zero);
// break;
// case Keys.End:
// RedirectMessageFilter.PostMessage(listViewEditor.Handle, (int)WindowsMessages.WM_KEYDOWN, new IntPtr((int)VirtualKeys.VK_END), IntPtr.Zero);
// break;
default:
return;
}
e.Handled = true;
}
}
