VBProjectsEvents 在哪里？

Using Microsoft.Vbe.Interop在 C# 中，我可以访问CommandBarEvents and ReferencesEvents via VBE.Events.

然而，总是那么有帮助MSDN https://msdn.microsoft.com/en-us/library/aa263158(v=vs.60).aspx文档似乎表明有一个VBProjectsEvents当项目添加到 VBE 或从 VBE 中删除时，我可以用它来通知我的加载项...这正是我在这里想要实现的目标。

我理解了_VBProjectsEvents界面中的对象浏览器，但没有实现它（与_CommandBarControlsEvents接口，它是由CommandBarEventsClass），使用 ReSharper 的转到实施特征。

是否有实施_VBProjectsEvents任何地方的接口？如果没有，那么如何才能收到 VBProject 已从 IDE 中删除的通知呢？

你需要创建一个sink对于这些事件。

实施_dispVBProjectsEvents调度接口 - 这是一个通过调用常规托管 .net 事件来响应这些事件的实现，有效地“包装”VBProjects events:

public class VBProjectsEventsSink : _dispVBProjectsEvents
{
    public event EventHandler<DispatcherEventArgs<VBProject>> ProjectAdded;
    public void ItemAdded(VBProject VBProject)
    {
        if (VBProject.Protection == vbext_ProjectProtection.vbext_pp_none)
        {
            OnDispatch(ProjectAdded, VBProject);
        }
    }

    public event EventHandler<DispatcherEventArgs<VBProject>> ProjectRemoved;
    public void ItemRemoved(VBProject VBProject)
    {
        if (VBProject.Protection == vbext_ProjectProtection.vbext_pp_none)
        {
            OnDispatch(ProjectRemoved, VBProject);
        }
    }

    public event EventHandler<DispatcherRenamedEventArgs<VBProject>> ProjectRenamed;
    public void ItemRenamed(VBProject VBProject, string OldName)
    {
        var handler = ProjectRenamed;
        if (handler != null && VBProject.Protection == vbext_ProjectProtection.vbext_pp_none)
        {
            handler.Invoke(this, new DispatcherRenamedEventArgs<VBProject>(VBProject, OldName));
        }
    }

    public event EventHandler<DispatcherEventArgs<VBProject>> ProjectActivated;
    public void ItemActivated(VBProject VBProject)
    {
        if (VBProject.Protection == vbext_ProjectProtection.vbext_pp_none)
        {
            OnDispatch(ProjectActivated, VBProject);
        }
    }

    private void OnDispatch(EventHandler<DispatcherEventArgs<VBProject>> dispatched, VBProject project)
    {
        var handler = dispatched;
        if (handler != null)
        {
            handler.Invoke(this, new DispatcherEventArgs<VBProject>(project));
        }
    }
}

The DispatcherEventArgs类只是公开的一种便捷方式VBProject与事件相关的项目，并且它可以重用于其他接收器：

public class DispatcherEventArgs<T> : EventArgs 
    where T : class
{
    private readonly T _item;

    public DispatcherEventArgs(T item)
    {
        _item = item;
    }

    public T Item { get { return _item; } }
}

客户端代码需要注册接收器 - 为此，您需要保留一个IConnectionPoint场及其int cookie:

private readonly IConnectionPoint _projectsEventsConnectionPoint;
private readonly int _projectsEventsCookie;

The VBProjects集合实现了IConnectionPointContainer接口，您需要使用它找到连接点:

var sink = new VBProjectsEventsSink();
var connectionPointContainer = (IConnectionPointContainer)_vbe.VBProjects;
var interfaceId = typeof (_dispVBProjectsEvents).GUID;
connectionPointContainer.FindConnectionPoint(ref interfaceId, out _projectsEventsConnectionPoint);

一旦你拥有了IConnectionPoint， 使用Advise方法“连接”您的接收器并检索cookie:

_projectsEventsConnectionPoint.Advise(sink, out _projectsEventsCookie);

然后您可以像处理任何“正常”.net 事件一样处理接收器事件：

sink.ProjectAdded += sink_ProjectAdded;
sink.ProjectRemoved += sink_ProjectRemoved;
sink.ProjectActivated += sink_ProjectActivated;
sink.ProjectRenamed += sink_ProjectRenamed;

当你想断开你的水槽时，你可以通过cookie to the Unadvise的方法IConnectionPoint实例：

_projectsEventsConnectionPoint.Unadvise(_projectsEventsCookie);

“就那么简单！”