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本文分别介绍了两种常用的添加ECB菜单项的方式。
这也是微软最佳实践推荐的方式。在VS中创建一个SharePoint空解决方案，并添加一个“空元素”类型的SPI。
在Elements.xml中，定义一个CustomAction，重点关注一下其中高亮部分的属性（本例在文档内容类型的项上添加了一个菜单项，点击导航到一个自定义应用程序页面，并传递项所在的列表的Id作为参数）:
添加到Feature，并部署。效果如下：
这里会用到Feature的事件处理程序。本例同时还演示了如何指定Url，并且用对话框的方式打开。同时，还会传递网站Url，所选列表项的ID给目标应用程序页面。
public override void FeatureActivated(SPFeatureReceiverProperties properties) { SPSite site = (SPSite)properties.Feature.Parent; SPWeb web=site.RootWeb; try{ SPList list = web.Lists["Announcements"]; web.AllowUnsafeUpdates = true; if (list.UserCustomActions.Count > 0) { foreach (SPUserCustomAction action in list.UserCustomActions) { if (action.Name == "ECBItemCustomization") { action.Delete(); list.Update(); break; } } } SPUserCustomAction customaction = list.UserCustomActions.Add(); customaction.Name = "ECBItemCustomization"; customaction.Location = "EditControlBlock"; //customaction.ImageUrl = "/_layouts/15/images/demo/workflows.gif"; string cAction = @"javascript: var options = { url: ‘{SiteUrl}‘ + ‘/_layouts/15/demo/page.aspx/?WorkItemID={ItemId}‘, allowMaximize: false, width: 500, height: 440 }; SP.UI.ModalDialog.showModalDialog(options);"; customaction.Url = cAction; customaction.Sequence = 106; customaction.Title = "Demo ECB Title"; customaction.Update(); list.Update(); web.AllowUnsafeUpdates = false; } catch{ } }
相应的，要在Feature关闭时移除我们的ECB项：
public override void FeatureDeactivating(SPFeatureReceiverProperties properties) { SPSite site = (SPSite)properties.Feature.Parent; SPWeb web=site.RootWeb; try{ SPList list = web.Lists["Announcements"]; web.AllowUnsafeUpdates = true; if (list.UserCustomActions.Count > 0) { foreach (SPUserCustomAction action in list.UserCustomActions) { if (action.Name == "ECBItemCustomization") { action.Delete(); list.Update(); break; } } } web.AllowUnsafeUpdates = false; } catch{ } }
为了看最终效果，添加了一个demo\page.aspx应用程序页面。接收url参数，然后显示相应的通知标题。代码比较简单，就不贴了。部署看效果：
注意：与SharePoint 2010的ECB不同的是，SharePoint 2013的ECB会忽略ImageUrl这一属性。因为从前面的图中也可以看出，2013的ECB项左侧都是不带图标的。
参考资料
how to apply custom action in ECB only for document item
Add Custom Action To SharePoint Edit Control Block
SharePoint 2013:自定义ECB菜单项的添加,布布扣,bubuko.com
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原文地址：http://www.cnblogs.com/Sunmoonfire/p/3879578.html
