该成员将替代 FormButton.ButtonID。
命名空间： Microsoft.SharePoint.WebControls
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）
语法
声明
Public Overrides ReadOnly Property ButtonID As String
Get
用法
Dim instance As SolutionItemButton
Dim value As String
value = instance.ButtonID
public override string ButtonID { get; }