private void FileDocument_RequestConfirmCloseMessageDialog(object sender, MessageBoxEventArgs e)
{
DialogResult result = MessageBox.Show(e.Message, e.Title, MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information);
switch (result)
{
case DialogResult.Yes:
e.Result = MessageBoxResult.Yes;
break;
case DialogResult.No:
e.Result = MessageBoxResult.No;
break;
case DialogResult.Cancel:
e.Result = MessageBoxResult.Cancel;
break;
default:
e.Result = MessageBoxResult.None;
break;
}
}
/// <summary>
/// ドキュメントを閉じます。
/// </summary>
/// <returns></returns>
protected bool ConfirmCloseDocument()
{
if (this.Dirty)
{
MessageBoxEventArgs e = new MessageBoxEventArgs()
{
Message = string.Format(this.ConfirmCloseDocument_Message, this.FileName),
Title = this.ConfirmCloseDocument_Title
};
this.OnRequestConfirmCloseMessageDialog(e);
switch (e.Result)
{
case MessageBoxResult.Yes:
return(this.SaveDocument());
case MessageBoxResult.No:
return(true);
case MessageBoxResult.Cancel:
return(false);
}
}
return(true);
}
/// <summary>
/// RequestConfirmCloseMessageDialogイベントを発生させます。
/// </summary>
/// <param name="e"></param>
public void RaiseRequestConfirmCloseMessageDialog(MessageBoxEventArgs e)
{
this.OnRequestConfirmCloseMessageDialog(e);
}
/// <summary>
/// RequestConfirmCloseMessageDialogイベントを発生させます。
/// </summary>
/// <param name="e"></param>
protected virtual void OnRequestConfirmCloseMessageDialog(MessageBoxEventArgs e)
{
this.RequestConfirmCloseMessageDialog?.Invoke(this, e);
}
