This enumeration defines the standard user responses from a dialog. A value from this enumeration is returned from the Form.ShowDialog() method once the (modal) form has been closed. You can also specify a Button object's DialogResult property to determine which value is returned when that particular button is used to close the dialog. public enum DialogResult { None = 0 , OK = 1 , Cancel = 2 , Abort = 3 , Retry = 4 , Ignore = 5 , Yes = 6 , No = 7 } HierarchySystem.Object System.ValueType System.Enum(System.IComparabl, System.IFormattable , System.IConvertible) DialogResult Returned ByButton.DialogResult , CommonDialog.ShowDialog() , System.Windows.Forms.Design.ComponentEditorForm.ShowForm() , System.Windows.Forms.Design.IUIService.{ShowDialog() , ShowMessage()} , System.Windows.Forms.Design.IWindowsFormsEditorService.ShowDialog() , Form.{DialogResult , ShowDialog()} , IButtonControl.DialogResult , MessageBox.Show() Passed ToButton.DialogResult , Form.DialogResult , IButtonControl.DialogResult |