'宣言 Protected Overridable Sub OnFormulaEditorDialogClosing( _ ByVal e As FormulaEditorDialogClosingEventArgs _ )
protected virtual void OnFormulaEditorDialogClosing( FormulaEditorDialogClosingEventArgs e )
XamFormulaEditor クラス XamFormulaEditor メンバ FormulaEditorDialogClosing イベント FormulaEditorDialogClosingEventArgs クラス