我繼承了KryptonToolkit ListBox控件來獲取SelectedItemChanging事件。c#,listbox,stackOverflow exception
public class CPListBox : KryptonListBox
{
public event CancelEventHandler SelectedIndexChanging;
protected virtual void OnSelectedIndexChanging(CancelEventArgs e)
{
SelectedIndexChanging(this, e);
}
protected override void OnSelectedIndexChanged(EventArgs e)
{
CancelEventArgs cArgs = new CancelEventArgs();
OnSelectedIndexChanged(cArgs);
if(!cArgs.Cancel)
{
base.OnSelectedIndexChanged(e);
}
}
}
在形式上我處理事件的代碼:
void UsersListBoxSelectedIndexChanging(object sender, CancelEventArgs e)
{
if(_presenter.CurrentUser.IsModified)
{
MessageBox.Show("Nie zapisales zmian!");
e.Cancel = true;
}
}
而且我得到了計算器;)例外。也許現在有人想知道這個代碼是什麼?
謝謝;)不知道我怎麼能錯過它;) –