//todo:尽在apsx下面才有效，cs文件下无效，不知道为什么
public void ToggleRegions()
{
IVsHiddenTextSession session = HiddenTextSession;
TextSpan[] aspan = new TextSpan[1];
aspan[0] = new VSTextView(VSTextView.ActiveTextView).GetWholeTextSpan();
//获取IVsEnumHiddenRegions
IVsEnumHiddenRegions ppenum;
session.EnumHiddenRegions((uint)FIND_HIDDEN_REGION_FLAGS.FHR_ALL_REGIONS, 0, aspan, out ppenum);
MessageBox.Show(GetHiddenRegionCount(ppenum).ToString());
//遍历IVsEnumHiddenRegions
uint fetched;
IVsHiddenRegion[] aregion = new IVsHiddenRegion[1];
while (ppenum.Next(1, aregion, out fetched) == VSConstants.S_OK && fetched == 1)
{
uint dwState;
aregion[0].GetState(out dwState);
dwState ^= (uint)HIDDEN_REGION_STATE.hrsExpanded;
aregion[0].SetState(dwState, (uint)CHANGE_HIDDEN_REGION_FLAGS.chrDefault);
}
}
public void CreateHiddenRegion(string bannerText, TextSpan ts)
{
IVsHiddenTextSession session = HiddenTextSession;
if (session != null)
{
NewHiddenRegion[] NewHiddenRegionArray = new NewHiddenRegion[1];
NewHiddenRegionArray[0].dwBehavior = (uint)HIDDEN_REGION_BEHAVIOR.hrbClientControlled;
//NewHiddenRegionArray[0].dwClient = 0x2cff;
NewHiddenRegionArray[0].dwState = (uint)HIDDEN_REGION_STATE.hrsDefault;
NewHiddenRegionArray[0].iType = (int)HIDDEN_REGION_TYPE.hrtCollapsible;
NewHiddenRegionArray[0].pszBanner = bannerText;
NewHiddenRegionArray[0].tsHiddenText = ts;
int isOk = session.AddHiddenRegions(
(uint)CHANGE_HIDDEN_REGION_FLAGS.chrDefault,
1,
NewHiddenRegionArray,
null);
if (isOk != VSConstants.S_OK)
{
MessageBox.Show("error");
}
}
}
public IVsEnumHiddenRegions GetEnumHiddenRegions()
{
IVsHiddenTextSession session = HiddenTextSession;
if (session != null)
{
IVsEnumHiddenRegions ppenum;
session.EnumHiddenRegions((uint)FIND_HIDDEN_REGION_FLAGS.FHR_ALL_REGIONS, 0, null, out ppenum);
return(ppenum);
}
return(null);
}
private IVsHiddenTextSession GetHiddenTextSession(IVsTextView view)
{
if (view == null)
{
return(null);
}
IVsTextLines txtLine;
view.GetBuffer(out txtLine);
hiddenTextSession = null;
//每个session都与特定的Textbuffer关联，这里默认是当前窗口的buffer
HiddenTextManager.GetHiddenTextSession(txtLine, out hiddenTextSession);
if (hiddenTextSession == null)
{
HiddenTextManager.CreateHiddenTextSession(0, txtLine, /* hiddenTextClient */ hiddenTextClient, out hiddenTextSession);
}
return(hiddenTextSession);
}
public static IList <TextSpan> GetAllHiddenRegions(this IVsHiddenTextSession hiddenTextSession, TextSpan searchRange)
{
var pSearchRange = new TextSpan[1];
pSearchRange[0] = searchRange;
IVsEnumHiddenRegions enumHiddenRegions;
hiddenTextSession.EnumHiddenRegions(
(uint)FIND_HIDDEN_REGION_FLAGS.FHR_ALL_REGIONS,
0, // dwCookie for custom regions, not used here
pSearchRange,
out enumHiddenRegions
);
if (enumHiddenRegions != null)
{
return(enumHiddenRegions.GetHiddenRegions());
}
return(null);
}
// Produces tags on the snapshot that the tag consumer asked for.
public IEnumerable <ITagSpan <DocumentationTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var documentation = Services.DocumentationFileSerializer.Deserialize(_codyDocsFilename);
List <ITagSpan <DocumentationTag> > res =
new List <ITagSpan <DocumentationTag> >();
var currentSnapshot = _buffer.CurrentSnapshot;
var hiddenTextManager = ServiceProvider.GlobalProvider.GetService(typeof(SVsTextManager)) as IVsHiddenTextManager;
var service = ServiceProvider.GlobalProvider.GetService(typeof(SVsTextManager));
var textManager = service as IVsTextManager2;
IVsTextView view;
int result = textManager.GetActiveView2(1, null, (uint)_VIEWFRAMETYPE.vftCodeWindow, out view);
IVsHiddenTextSession hiddenSession = null;
IVsEnumHiddenRegions[] hiddenRegions = null;
int hRetVal = hiddenTextManager.GetHiddenTextSession(
_buffer,
out hiddenSession);
if (hRetVal != 0)
{
hRetVal = hiddenTextManager.CreateHiddenTextSession(
0,
_buffer,
null,
out hiddenSession);
}
if (hiddenSession != null)
{
foreach (var fragment in documentation.Fragments)
{
int startPos = fragment.Selection.StartPosition;
int length = fragment.Selection.EndPosition - fragment.Selection.StartPosition;
var snapshotSpan = new SnapshotSpan(
currentSnapshot, new Span(startPos, length));
view.GetLineAndColumn(fragment.Selection.StartPosition, out int startLine, out int startIdx);
view.GetLineAndColumn(fragment.Selection.EndPosition, out int endLine, out int endIdx);
var hidRegion = new NewHiddenRegion()
{
dwBehavior = (uint)HIDDEN_REGION_BEHAVIOR.hrbClientControlled,
dwState = (uint)HIDDEN_REGION_STATE.hrsDefault,
iType = (int)HIDDEN_REGION_TYPE.hrtConcealed,
pszBanner = fragment.Documentation,
tsHiddenText = new TextSpan()
{
iStartLine = startLine,
iStartIndex = startIdx,
iEndLine = endLine,
iEndIndex = endIdx
}
};
hiddenSession.AddHiddenRegions(0, 1, new[] { hidRegion }, hiddenRegions);
res.Add(new TagSpan <DocumentationTag>(snapshotSpan, new DocumentationTag(fragment.Selection.Text, snapshot.CreateTrackingSpan(startPos, length, SpanTrackingMode.EdgeInclusive), _buffer)));
}
}
return(res);
}
// Overriden in source.fs, it calls this base implementation
public virtual void Dispose()
{
#if LANGTRACE
Trace.WriteLine("Source::Cleanup");
#endif
this.disposed = true;
try
{
if (this.textLinesEvents != null)
{
this.textLinesEvents.Dispose();
this.textLinesEvents = null;
}
}
finally
{
try
{
if (this.userDataEvents != null)
{
this.userDataEvents.Dispose();
this.userDataEvents = null;
}
}
finally
{
try
{
if (this.hiddenTextSession != null)
{
// We can't throw or exit here because we need to call Dispose on the
// other members that need to be disposed.
this.hiddenTextSession.UnadviseClient();
// This is causing a debug assert in vs\env\msenv\textmgr\vrlist.cpp
// at line 1997 in CVisibleRegionList::Terminate
//this.hiddenTextSession.Terminate();
this.hiddenTextSession = null;
}
}
finally
{
try
{
if (this.methodData != null)
{
this.methodData.Dispose();
this.methodData = null;
}
}
finally
{
try
{
if (this.completionSet != null)
{
this.completionSet.Dispose();
this.completionSet = null;
}
}
finally
{
try
{
// clear out any remaining tasks for this doc in the task list
// tp may not be the same as taskProvider
// REVIEW: This should be: if (null != this.taskReporter)
// Right now, MSBuild 4.0 can clear out build loggers responsibly, so this.taskReporter will always
// be null when we get to this point, so we'll need to create a new taskReporter to clear out the
// background tasks
TaskReporter tr = this.GetTaskReporter(); // may be our own TR or one from ProjectSite of this file
if (null != tr)
{
tr.ClearBackgroundTasksForFile(this.GetFilePath());
// Refresh the task list
tr.OutputTaskList();
}
if (null != this.taskReporter) // dispose the one we own (do not dispose one shared by project site!)
{
this.taskReporter.Dispose();
this.taskReporter = null;
this.taskProvider = null;
}
}
finally
{
try
{
this.service = null;
if (this.colorizer != null)
{
// The colorizer is owned by the core text editor, so we don't close it, the core text editor
// does that for us when it is ready to do so.
//colorizer.CloseColorizer();
this.colorizer = null;
}
}
finally
{
this.colorState = null;
try
{
if (this.expansionProvider != null)
{
this.expansionProvider.Dispose();
this.expansionProvider = null;
}
}
finally
{
// Sometimes OnCloseSource is called when language service is changed, (for example
// when you save the file with a different file extension) in which case we cannot
// null out the site because that will cause a crash inside msenv.dll.
// if (this.textLines != null) {
// ((IObjectWithSite)this.textLines).SetSite(null);
// }
if (this.textLines != null)
{
this.textLines = null;
Marshal.Release(pUnkTextLines);
}
}
}
}
}
}
}
}
}
}
public IVsHiddenTextSession GetHiddenTextSession()
{
if (this.hiddenTextSession == null)
{
IVsHiddenTextManager htextmgr = service.Site.GetService(typeof(SVsTextManager)) as IVsHiddenTextManager;
if (htextmgr != null)
{
IVsHiddenTextSession session = null;
int hr = htextmgr.GetHiddenTextSession(textLines, out session);
if (hr == NativeMethods.E_FAIL)
{
// Then there was no hidden text session.
NativeMethods.ThrowOnFailure(htextmgr.CreateHiddenTextSession(0, textLines, this, out session));
}
this.hiddenTextSession = session;
}
}
return this.hiddenTextSession;
}
public VSHiddenTextManager(IVsTextView view, IVsHiddenTextClient client)
{
hiddenTextSession = GetHiddenTextSession(view);
hiddenTextClient = client;
}
public VSHiddenTextManager(IVsTextView view)
{
hiddenTextSession = GetHiddenTextSession(view);
}
private IVsHiddenTextSession GetHiddenTextSession(IVsTextView view)
{
if (view == null)
{
return null;
}
IVsTextLines txtLine;
view.GetBuffer(out txtLine);
hiddenTextSession = null;
//每个session都与特定的Textbuffer关联，这里默认是当前窗口的buffer
HiddenTextManager.GetHiddenTextSession(txtLine, out hiddenTextSession);
if (hiddenTextSession == null)
{
HiddenTextManager.CreateHiddenTextSession(0, txtLine,/* hiddenTextClient */hiddenTextClient, out hiddenTextSession);
}
return hiddenTextSession;
}
/// <include file='doc\LanguageService.uex' path='docs/doc[@for="Source.Dispose"]/*' />
public virtual void Dispose()
{
#if LANGTRACE
Trace.WriteLine("Source::Cleanup");
#endif
try {
if (this.textLinesEvents != null) {
this.textLinesEvents.Dispose();
this.textLinesEvents = null;
}
} catch (COMException) {
}
try {
if (this.userDataEvents != null) {
this.userDataEvents.Dispose();
this.userDataEvents = null;
}
} catch (COMException) {
}
try {
if (this.hiddenTextSession != null) {
// We can't throw or exit here because we need to call Dispose on the
// other members that need to be disposed.
this.hiddenTextSession.UnadviseClient();
this.hiddenTextSession = null;
}
} catch (COMException) {
}
try {
if (this.methodData != null) {
this.methodData.Dispose();
this.methodData = null;
}
} catch (COMException) {
}
try {
if (this.completionSet != null) {
this.completionSet.Dispose();
this.completionSet = null;
}
} catch (COMException) {
}
try {
if (this.taskProvider != null) {
this.taskProvider.Dispose();
this.taskProvider = null;
}
} catch (COMException) {
}
try {
this.service = null;
if (this.colorizer != null) {
// The colorizer is owned by the core text editor, so we don't close it, the core text editor
// does that for us when it is ready to do so.
//colorizer.CloseColorizer();
this.colorizer = null;
}
} catch (COMException) {
}
try {
if (this.colorState != null) {
this.colorState = null;
}
} catch (COMException) {
}
try {
if (this.expansionProvider != null) {
this.expansionProvider.Dispose();
this.expansionProvider = null;
}
} catch (COMException) {
}
try {
// Sometimes OnCloseSource is called when language service is changed, (for example
// when you save the file with a different file extension) in which case we cannot
// null out the site because that will cause a crash inside msenv.dll.
// if (this.textLines != null) {
// ((IObjectWithSite)this.textLines).SetSite(null);
// }
if (this.textLines != null) {
this.textLines = null; //rely on GC rather control lifetime through ReleaseCOMObject
Marshal.Release(pUnkTextLines);
}
} catch (COMException) {
}
}
public VSHiddenTextManager(IVsTextView view, IVsHiddenTextClient client)
{
hiddenTextSession = GetHiddenTextSession(view);
hiddenTextClient = client;
}
public VSHiddenTextManager(IVsTextView view)
{
hiddenTextSession = GetHiddenTextSession(view);
}
private TextViewSelection GetSelection(IServiceProvider serviceProvider)
{
var service = serviceProvider.GetService(typeof(SVsTextManager));
var textManager = service as IVsTextManager2;
IVsTextView view;
int result = textManager.GetActiveView2(1, null, (uint)_VIEWFRAMETYPE.vftCodeWindow, out view);
view.GetSelection(out int startLine, out int startColumn, out int endLine, out int endColumn);//end could be before beginning
var hiddenTextManager = serviceProvider.GetService(typeof(SVsTextManager)) as IVsHiddenTextManager;
IVsHiddenTextSession hiddenSession = null;
IVsTextLines lines = null;
IVsEnumHiddenRegions[] hiddenRegions = null;
view.GetBuffer(out lines);
int hRetVal = hiddenTextManager.GetHiddenTextSession(
lines,
out hiddenSession);
if (hRetVal != 0)
{
hRetVal = hiddenTextManager.CreateHiddenTextSession(
0,
lines,
null,
out hiddenSession);
//if (hRetVal != 0)
// return null;
}
if (hiddenSession != null)
{
var hidRegion = new NewHiddenRegion()
{
dwBehavior = (uint)HIDDEN_REGION_BEHAVIOR.hrbClientControlled,
dwState = (uint)HIDDEN_REGION_STATE.hrsDefault,
iType = (int)HIDDEN_REGION_TYPE.hrtConcealed,
pszBanner = "Testing!!",
tsHiddenText = new TextSpan()
{
iStartLine = startLine,
iStartIndex = startColumn,
iEndLine = endLine,
iEndIndex = endColumn
}
};
hiddenSession.AddHiddenRegions(0, 1, new[] { hidRegion }, hiddenRegions);
}
int ok = view.GetNearestPosition(startLine, startColumn, out int position1, out int piVirtualSpaces);
ok = view.GetNearestPosition(endLine, endColumn, out int position2, out piVirtualSpaces);
var startPosition = Math.Min(position1, position2);
var endPosition = Math.Max(position1, position2);
view.GetSelectedText(out string selectedText);
TextViewSelection selection = new TextViewSelection(startPosition, endPosition, selectedText);
return(selection);
}
