SPWebPartManager.ConnectWebParts 方法 (WebPart, ProviderConnectionPoint, WebPart, ConsumerConnectionPoint, WebPartTransformer)

项目
05/13/2015

创建两个 Web 部件之间的连接。

命名空间： Microsoft.SharePoint.WebPartPages
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）

语法

声明
Public Overrides Function ConnectWebParts ( _
    provider As WebPart, _
    providerConnectionPoint As ProviderConnectionPoint, _
    consumer As WebPart, _
    consumerConnectionPoint As ConsumerConnectionPoint, _
    transformer As WebPartTransformer _
) As WebPartConnection
用法
Dim instance As SPWebPartManager
Dim provider As WebPart
Dim providerConnectionPoint As ProviderConnectionPoint
Dim consumer As WebPart
Dim consumerConnectionPoint As ConsumerConnectionPoint
Dim transformer As WebPartTransformer
Dim returnValue As WebPartConnection

returnValue = instance.ConnectWebParts(provider, _
    providerConnectionPoint, consumer, _
    consumerConnectionPoint, transformer)

public override WebPartConnection ConnectWebParts(
    WebPart provider,
    ProviderConnectionPoint providerConnectionPoint,
    WebPart consumer,
    ConsumerConnectionPoint consumerConnectionPoint,
    WebPartTransformer transformer
)

参数

provider
类型：System.Web.UI.WebControls.WebParts.WebPart

Web 部件提供数据到consumer时控件已连接。

providerConnectionPoint
类型：System.Web.UI.WebControls.WebParts.ProviderConnectionPoint

用作回调方法，以便provider可以参与连接的连接点。

consumer
类型：System.Web.UI.WebControls.WebParts.WebPart

从provider接收数据，当控件连接 Web 部件。

consumerConnectionPoint
类型：System.Web.UI.WebControls.WebParts.ConsumerConnectionPoint

用作回调方法，以便consumer可以参与连接的连接点。

transformer
类型：System.Web.UI.WebControls.WebParts.WebPartTransformer

启用兼容provider和consumer连接WebPartTransformer 。如果providerConnectionPoint和consumerConnectionPoint具有相同的接口类型，则可以传递空引用（无在 Visual Basic 中）。

返回值

类型：System.Web.UI.WebControls.WebParts.WebPartConnection
包含有关提供程序、使用者，和转换器连接所需的信息SPWebPartConnection 。

异常

异常	条件
WebPartPageUserException	providerConnectionPoint或consumerConnectionPoint是Windows SharePoint Services 2.0连接接口，如果provider或consumer Web 部件不在区域中，或者ConnectWebParts(WebPart, ProviderConnectionPoint, WebPart, ConsumerConnectionPoint, WebPartTransformer)false