'宣言 Public Function New( _ ByVal headerElement As ColumnHeaderUIElement, _ ByVal buttonElement As DateNavigationButtonUIElement, _ ByVal toolTipInfo As Infragistics.Win.ToolTipInfo _ )
public ColumnHeaderToolTipDisplayingEventArgs( ColumnHeaderUIElement headerElement, DateNavigationButtonUIElement buttonElement, Infragistics.Win.ToolTipInfo toolTipInfo )