Visual Studio Extension:如何在选择时获取解决方案文件夹的"path"?



上一个问题:Visual Studio扩展:如何禁用本机命令?

我构建了一个能够正确管理Git模块的扩展,为此,我在解决方案中有一个名为SubModules的文件夹。

我设法将上下文菜单添加到解决方案文件和项目文件中,但我想在右键单击我的SubModules文件夹时禁用一些本机命令(即删除、添加)。

我现在知道如何禁用我想要的本机命令,但要做到这一点,我需要获得所选解决方案文件夹的"路径"。

我尝试实现IVsSelectionEvents,但没有成功(在强制转换之前o不为空):

public int OnSelectionChanged(IVsHierarchy pHierOld, uint itemidOld, IVsMultiItemSelect pMISOld, ISelectionContainer pSCOld, IVsHierarchy pHierNew, uint itemidNew, IVsMultiItemSelect pMISNew, ISelectionContainer pSCNew)
{
var o = GetProjectItem(pHierNew, itemidNew);
return VSConstants.S_OK;
}
private static ProjectItem GetProjectItem(IVsHierarchy hierarchy, uint itemId)
{
object o;
if (hierarchy.GetProperty(itemId, (int)__VSHPROPID.VSHPROPID_ExtObject, out o) == VSConstants.S_OK)
{
var t = o as SolutionFolder; // ==> null
return o as ProjectItem; // ==> null
}
return null;
}

使用我(来自另一个问题)的代码(我想在哪里找到"路径",但我本可以用上面的"解决方案"),我尝试转换到SolutionFolder或FileProperties。。。仍然没有运气;即使MSDN告诉返回的对象应该是FileProperties类型。在(Marshal.GetObjectForIUnknown(selectionContainerPtr) as ISelectionContainer)上使用QuickWatch进行探索时,我可以进入查看私有属性_nodes,在那里,我可以查看我的SolutionFolder节点,并使用其Parent属性向上查看,以确保它是我想要阻止命令的文件夹。这是实际代码:

private static void CommandEvents_BeforeExecute(string Guid, int ID, object CustomIn, object CustomOut, ref bool CancelDefault)
{
string name = GetCommandName(Guid, ID);
if (name == "Project.AddNewSolutionFolder")
{
CancelDefault = true;
}
if (name == "Edit.Delete")
{
CancelDefault = true;
IVsMultiItemSelect multiItemSelect = null;
IntPtr hierarchyPtr = IntPtr.Zero;
IntPtr selectionContainerPtr = IntPtr.Zero;
uint itemid = 0;
int hr = monitorSelection.GetCurrentSelection(out hierarchyPtr, out itemid, out multiItemSelect, out selectionContainerPtr);
object[] selected = new object[2];
(Marshal.GetObjectForIUnknown(selectionContainerPtr) as ISelectionContainer).GetObjects(2, 1, selected);

var t = selected[0] as VSLangProj.FileProperties; // ==> null
var t2 = selected[0] as SolutionFolder; // ==> null
var b = 1;
}
if (name == "View.Branch")
{
//TODO: Could disable this command if not able to find the branch changing command (that would be cancelled and launch ours)
menuBranchOpened = true;
}
if (menuBranchOpened)
{
var a = 1;
}
}

我受到了启发并尝试过(除了上面的一个似乎非常接近之外,没有一个奏效):

  • 获取Visual Studio解决方案文件和文件夹
  • Visual Studio扩展:在解决方案资源管理器中获取当前选定文件的路径
  • 如何使用vs包在解决方案资源管理器中获取所选项目的详细信息

最后,通过浏览(更多)回答我上一个问题的另一个人的网站,我终于找到了它。因此,我将分享我在解决方案资源管理器中选择什么类型项目的方法。

applicationObject = await ServiceProvider.GetGlobalServiceAsync(typeof(SDTE)) as DTE2; // Was initiate in a method
private enum SelectionTypes
{
Other = 0,
InSubModules = 1,
IsAFolder = 2,
IsAProject = 4,
InAProject = 8
}
private static List<SelectionTypes> GetSelectionTypes()
{
ThreadHelper.ThrowIfNotOnUIThread();
var selectionTypes = new List<SelectionTypes>();
EnvDTE.UIHierarchy solutionExplorer = applicationObject.ToolWindows.SolutionExplorer;
object[] items = solutionExplorer.SelectedItems as object[];
//{ Name = "WindowBase" FullName = "Microsoft.VisualStudio.Platform.WindowManagement.DTE.WindowBase"}
if (items.Length > 0)
{
for (int i = 0; i < items.Length; i++)
{
var selectionType = SelectionTypes.Other;
var selectedItem = items[0] as EnvDTE.UIHierarchyItem;
var currentItem = selectedItem;
var subModulesParentsCount = 0;
var countingSubModulesParents = false;
var nbParents = -1;
if (currentItem.Object.GetType().FullName == "Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.Automation.OAProject") selectionType |= SelectionTypes.IsAProject;
if (currentItem.Object.GetType().FullName == "Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.Automation.OAFolderItem") selectionType |= SelectionTypes.IsAFolder;
while (currentItem != null)
{
nbParents++;
if (countingSubModulesParents) subModulesParentsCount++;
if (currentItem.Name == "SubModules")
{
subModulesParentsCount = 0;
countingSubModulesParents = true;
}
if (currentItem.Object.GetType().FullName == "Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.Automation.OAProject") selectionType |= SelectionTypes.InAProject;
currentItem = currentItem.Collection.Parent as EnvDTE.UIHierarchyItem;
}
if (selectionType == SelectionTypes.Other && nbParents != 0) selectionType |= SelectionTypes.IsAFolder;
if (subModulesParentsCount == 1)
{
selectionType |= SelectionTypes.InSubModules;
}
selectionTypes.Add(selectionType);
}
}
return selectionTypes;
}

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