private void DisableCloseIfMultipleButtonsAndNoCancelButton()
{
if (_buttons.Count > 1)
{
if (_cancelButton != null)
{
return;
}
//See if standard cancel button is present
foreach (MessageBoxExButton button in _buttons)
{
if (button.Text == MessageBoxExButtons.Cancel.ToString() && button.Value == MessageBoxExButtons.Cancel.ToString())
{
_cancelButton = button;
return;
}
}
//Standard cancel button is not present, Disable
//close button
DisableCloseButton(this);
_allowCancel = false;
}
else if (_buttons.Count == 1)
{
_cancelButton = _buttons[0] as MessageBoxExButton;
}
else
{
//This condition should never get called
_allowCancel = false;
}
}
private void AddOkButtonIfNoButtonsPresent()
{
if (_buttons.Count == 0)
{
MessageBoxExButton okButton = new MessageBoxExButton();
okButton.Text = MessageBoxExButtons.Ok.ToString();
okButton.Value = MessageBoxExButtons.Ok.ToString();
_buttons.Add(okButton);
}
}
/// <summary>
/// Add a custom button to the message box
/// </summary>
/// <param name="button">The button to add</param>
public void AddButton(MessageBoxExButton button)
{
if (button == null)
{
throw new ArgumentNullException("button", "A null button cannot be added");
}
_msgBox.Buttons.Add(button);
if (button.IsCancelButton)
{
_msgBox.CustomCancelButton = button;
}
}
/// <summary>
/// Creates a button control based on info from MessageBoxExButton
/// </summary>
/// <param name="button"></param>
/// <param name="size"></param>
/// <param name="location"></param>
/// <returns></returns>
private Button CreateButton(MessageBoxExButton button, Size size, Point location)
{
Button buttonCtrl = new Button();
buttonCtrl.Size = size;
buttonCtrl.Text = button.Text;
buttonCtrl.TextAlign = ContentAlignment.MiddleCenter;
buttonCtrl.FlatStyle = FlatStyle.System;
if (button.HelpText != null && button.HelpText.Trim().Length != 0)
{
buttonToolTip.SetToolTip(buttonCtrl, button.HelpText);
}
buttonCtrl.Location = location;
buttonCtrl.Click += new EventHandler(OnButtonClicked);
buttonCtrl.Tag = button.Value;
return(buttonCtrl);
}
/// <summary>
/// Gets the button control for the specified MessageBoxExButton, if the
/// control has not been created this method creates the control
/// </summary>
/// <param name="button"></param>
/// <param name="size"></param>
/// <param name="location"></param>
/// <returns></returns>
private Button GetButton(MessageBoxExButton button, Size size, Point location)
{
Button buttonCtrl = null;
if (_buttonControlsTable.ContainsKey(button))
{
buttonCtrl = _buttonControlsTable[button] as Button;
buttonCtrl.Size = size;
buttonCtrl.Location = location;
}
else
{
buttonCtrl = CreateButton(button, size, location);
_buttonControlsTable[button] = buttonCtrl;
this.Controls.Add(buttonCtrl);
}
return(buttonCtrl);
}
/// <summary>
/// Add a standard button to the message box
/// </summary>
/// <param name="buttons">The standard button to add</param>
public void AddButton(MessageBoxExButtons button)
{
var btn = new MessageBoxExButton(button);
AddButton(btn);
}
/// <summary>
/// Add a custom button to the message box
/// </summary>
/// <param name="text">The text of the button</param>
/// <param name="val">The return value in case this button is clicked</param>
public void AddButton(string text, string val)
{
var button = new MessageBoxExButton(text, val);
AddButton(button);
}