protected override void OnKeyDown(KeyEventArgs e)
{
if (UIUtil.HandleCommonKeyEvent(e, true, this))
{
return;
}
if (m_bSimpleTextOnly && IsPasteCommand(e))
{
UIUtil.SetHandled(e, true);
PasteAcceptable();
return;
}
if (m_bCtrlEnterAccepts && e.Control && ((e.KeyCode == Keys.Return) ||
(e.KeyCode == Keys.Enter)))
{
UIUtil.SetHandled(e, true);
Debug.Assert(this.Multiline);
Control p = this;
Form f;
while (true)
{
f = (p as Form);
if (f != null)
{
break;
}
Control pParent = p.Parent;
if ((pParent == null) || (pParent == p))
{
break;
}
p = pParent;
}
if (f != null)
{
IButtonControl btn = f.AcceptButton;
if (btn != null)
{
btn.PerformClick();
}
else
{
Debug.Assert(false);
}
}
else
{
Debug.Assert(false);
}
return;
}
base.OnKeyDown(e);
}
protected override Boolean ProcessCmdKey(ref Message msg, Keys keyData)
{
if (AcceptButton is null || keyData != Keys.Enter)
{
return(base.ProcessCmdKey(ref msg, keyData));
}
AcceptButton.PerformClick();
return(true);
}
protected override bool ProcessDialogKey(Keys keyData)
{
if (keyData == Keys.Enter)
{
IButtonControl control2 = Control.FromChildHandle(System.Design.UnsafeNativeMethods.GetFocus()) as IButtonControl;
if ((control2 != null) && (control2 is Control))
{
control2.PerformClick();
return(true);
}
}
return(base.ProcessDialogKey(keyData));
}
/// <summary>
/// Overridden to process Enter and Escape keys
/// </summary>
/// <param name="keyData"></param>
/// <returns></returns>
protected override bool ProcessDialogKey(Keys keyData)
{
if (base.ProcessDialogKey(keyData))
{
return(true);
}
//if none of the other controls handled it using default processing,
// then try our Accept and Cancel buttons, if they are assigned.
if (keyData == Keys.Return && _acceptButton != null)
{
_acceptButton.PerformClick();
return(true); // handled
}
else if (keyData == Keys.Escape && _cancelButton != null)
{
_cancelButton.PerformClick();
return(true); // handled
}
return(false);
}