SPBackupRestoreObjectCollection.Count 属性
获取集合中的对象的总数。
命名空间： Microsoft.SharePoint.Administration.Backup
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）
语法
声明
Public ReadOnly Property Count As Integer
Get
用法
Dim instance As SPBackupRestoreObjectCollection
Dim value As Integer
value = instance.Count
public int Count { get; }
属性值
类型：System.Int32
Int32 ，该值表示集合中的对象的总数。
示例
下图显示正在将确保在组件名称用户提交的唯一的方法中使用的Count属性标识单个组件进行备份或还原操作的组件的树的顶部。有关完整的示例和详细的讨论，请参阅How to: Programmatically Back Up Content。
private static SPBackupRestoreObject EnsureUniqueValidComponentName(SPBackupRestoreSettings settings, ref Guid operationGUID)
{
SPBackupRestoreObjectCollection list = SPBackupRestoreConsole.FindItems(operationGUID, settings.IndividualItem);
SPBackupRestoreObject component = null;
if (list.Count <= 0)
{
Console.WriteLine("There is no component with that name. Run again with a new name.");
Console.WriteLine("Press Enter to continue.");
Console.ReadLine();
}
else if (list.Count > 1) // The component name specified is ambiguous. Prompt user to be more specific.
{
Console.WriteLine("More than one component matches the name you entered.");
Console.WriteLine("Run again with one of the following:");
for (int i = 0; i < list.Count; i++)
{
Console.WriteLine("\t{0}", list[i].ToString());
}
Console.WriteLine("Press Enter to continue.");
Console.ReadLine();
}
else
{
component = list[0];
}
return component;
}// end EnsureUniqueValidComponentName
Private Shared Function EnsureUniqueValidComponentName(ByVal settings As SPBackupRestoreSettings, ByRef operationGUID As Guid) As SPBackupRestoreObject
Dim list As SPBackupRestoreObjectCollection = SPBackupRestoreConsole.FindItems(operationGUID, settings.IndividualItem)
Dim component As SPBackupRestoreObject = Nothing
If list.Count <= 0 Then
Console.WriteLine("There is no component with that name. Run again with a new name.")
Console.WriteLine("Press Enter to continue.")
Console.ReadLine()
ElseIf list.Count > 1 Then ' The component name specified is ambiguous. Prompt user to be more specific.
Console.WriteLine("More than one component matches the name you entered.")
Console.WriteLine("Run again with one of the following:")
For i As Integer = 0 To list.Count - 1
Console.WriteLine(vbTab & "{0}", list(i).ToString())
Next i
Console.WriteLine("Press Enter to continue.")
Console.ReadLine()
Else
component = list(0)
End If
Return component
End Function ' end EnsureUniqueValidComponentName
另请参阅
引用
SPBackupRestoreObjectCollection 类