public static IList <TextSpan> GetHiddenRegions(this IVsEnumHiddenRegions enumHiddenRegions)
{
IList <TextSpan> regions = null;
uint count = GetCount(enumHiddenRegions);
if (count > 0)
{
regions = new List <TextSpan>((int)count);
var hiddenRegions = new IVsHiddenRegion[count];
enumHiddenRegions.Reset();
enumHiddenRegions.Next(count, hiddenRegions, out count);
for (int i = 0; i < count; i++)
{
IVsHiddenRegion hiddenRegion = hiddenRegions[i];
uint state = 0;
hiddenRegion.GetState(out state);
if ((state & (uint)HIDDEN_REGION_STATE.hrsExpanded) == 0)
{
TextSpan[] pSpan = new TextSpan[1];
hiddenRegion.GetSpan(pSpan);
regions.Add(pSpan[0]);
}
}
}
return(regions);
}
public int GetTipText(IVsHiddenRegion pHidReg, string[] pbstrText = null)
{
//pHidReg.Invalidate((uint)CHANGE_HIDDEN_REGION_FLAGS.chrNonUndoable);
TextSpan[] textSpans = new TextSpan[1];
pHidReg.GetSpan(textSpans);
pbstrText[0] = DateTime.Now.ToString();
return VSConstants.S_OK;
}
public int GetTipText(IVsHiddenRegion pHidReg, string[] pbstrText = null)
{
//pHidReg.Invalidate((uint)CHANGE_HIDDEN_REGION_FLAGS.chrNonUndoable);
TextSpan[] textSpans = new TextSpan[1];
pHidReg.GetSpan(textSpans);
pbstrText[0] = DateTime.Now.ToString();
return(VSConstants.S_OK);
}
public int GetTipText(IVsHiddenRegion region, string[] result)
{
if (result != null && result.Length > 0)
{
TextSpan[] aspan = new TextSpan[1];
NativeMethods.ThrowOnFailure(region.GetSpan(aspan));
result[0] = this.GetText(aspan[0]);
}
return NativeMethods.S_OK;
}
/// <include file='doc\Source.uex' path='docs/doc[@for="Source.GetTipText"]/*' />
public virtual int GetTipText(IVsHiddenRegion region, string[] result)
{
if (result != null && result.Length > 0) {
TextSpan[] aspan = new TextSpan[1];
NativeMethods.ThrowOnFailure(region.GetSpan(aspan));
// Limit lines.
TextSpan span = aspan[0];
int spanLineCount = span.iEndLine - span.iStartLine + 1;
bool truncated = spanLineCount > lineCountLimitForGetTipText;
StringBuilder stringBuilder =
GetLineSpans(span)
.Take(lineCountLimitForGetTipText)
.Select(s => LimitLineSpan(s, lineLengthLimitForGetTipText))
.Select(lineSpan => this.GetText(lineSpan.span) + (lineSpan.truncated ? "..." : String.Empty))
.Aggregate(new StringBuilder(), (sb, lineText) => sb.AppendLine(lineText));
result[0] = stringBuilder.ToString() + (truncated ? " ..." : String.Empty);
}
return NativeMethods.S_OK;
}
