Deletes all custom actions in the collection.
命名空间： Microsoft.SharePoint.Client
程序集： Microsoft.SharePoint.Client.Silverlight（位于 Microsoft.SharePoint.Client.Silverlight.dll 中）; Microsoft.SharePoint.Client.Phone（位于 Microsoft.SharePoint.Client.Phone.dll 中） Microsoft.SharePoint.Client（位于 Microsoft.SharePoint.Client.dll 中）
语法
声明
Public Sub Clear
用法
Dim instance As UserCustomActionCollection
instance.Clear()
public void Clear()
异常
| 异常 | 条件 |
|---|---|
| [Microsoft.SharePoint.SPException] | Custom action does not exist. Error code: -2146232832. |
| [Microsoft.SharePoint.SPException] | Custom action was modified on the server so changes cannot be committed. Error code: -2130575305. |
| [System.UnauthorizedAccessException] | The current user has insufficient permissions. Error code: -2147024891. |