BaseFieldControl.IsInDesignTimeMode 属性
如果控件的当前上下文在设计时模式下，则返回 true。
命名空间： Microsoft.SharePoint.WebControls
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）
语法
声明
Public Overridable ReadOnly Property IsInDesignTimeMode As Boolean
Get
用法
Dim instance As BaseFieldControl
Dim value As Boolean
value = instance.IsInDesignTimeMode
public virtual bool IsInDesignTimeMode { get; }