/// <include file='doc\ViewFilter.uex' path='docs/doc[@for="ViewFilter.GetFullDataTipText"]/*' />
/// <summary>This method checks to see if the IVsDebugger is running, and if so,
/// calls it to get additional information about the current token and returns a combined result.
/// You can return an HRESULT here like TipSuccesses2.TIP_S_NODEFAULTTIP.</summary>
public virtual int GetFullDataTipText(string textValue, TextSpan ts, out string fullTipText)
{
IVsTextLines textLines;
fullTipText = textValue;
NativeMethods.ThrowOnFailure(this.textView.GetBuffer(out textLines));
// Now, check if the debugger is running and has anything to offer
try {
Microsoft.VisualStudio.Shell.Interop.IVsDebugger debugger = this.service.GetIVsDebugger();
if (debugger != null && this.mgr.LanguageService.IsDebugging)
{
TextSpan[] tsdeb = new TextSpan[1] {
new TextSpan()
};
if (!TextSpanHelper.IsEmpty(ts))
{
// While debugging we always want to evaluate the expression user is hovering over
NativeMethods.ThrowOnFailure(textView.GetWordExtent(ts.iStartLine, ts.iStartIndex, (uint)WORDEXTFLAGS.WORDEXT_FINDEXPRESSION, tsdeb));
// If it failed to find something, then it means their is no expression so return S_FALSE
if (TextSpanHelper.IsEmpty(tsdeb[0]))
{
return(NativeMethods.S_FALSE);
}
}
string debugTextTip = null;
int hr = debugger.GetDataTipValue(textLines, tsdeb, null, out debugTextTip);
fullTipText = debugTextTip;
if (hr == (int)TipSuccesses2.TIP_S_NODEFAULTTIP)
{
return(hr);
}
if (!string.IsNullOrEmpty(debugTextTip) && debugTextTip != textValue)
{
// The debugger in this case returns "=value [type]" which we can
// append to the variable name so we get "x=value[type]" as the full tip.
int i = debugTextTip.IndexOf('=');
if (i >= 0)
{
string spacer = (i < debugTextTip.Length - 1 && debugTextTip[i + 1] == ' ') ? " " : "";
fullTipText = textValue + spacer + debugTextTip.Substring(i);
}
}
}
#if DEBUG
} catch (COMException e) {
Trace.WriteLine("COMException: GetDataTipValue, errorcode=" + e.ErrorCode);
#else
} catch (COMException) {
#endif
}
if (string.IsNullOrEmpty(fullTipText))
{
fullTipText = textValue;
}
return(NativeMethods.S_OK);
}
public virtual string GetFullDataTipText(string text, TextSpan ts)
{
IVsTextLines textLines;
this.textView.GetBuffer(out textLines);
// Now, check if the debugger is running and has anything to offer
string debugDataTip = null;
try {
Microsoft.VisualStudio.Shell.Interop.IVsDebugger debugger = this.service.GetIVsDebugger();
if (debugger != null)
{
TextSpan[] tsdeb = new TextSpan[1] {
ts
};
bool selection = ((ts.iStartLine != ts.iEndLine) || (ts.iStartIndex != ts.iEndIndex));
if (!selection)
{
// The debugger can't determine the current word by itself.
// Do it for them...
textView.GetWordExtent(ts.iStartLine, ts.iStartIndex, (uint)WORDEXTFLAGS.WORDEXT_FINDWORD | (uint)WORDEXTFLAGS.WORDEXT_CURRENT, tsdeb);
}
// What a royal pain!
// Microsoft.VisualStudio.Shell.Interop.TextSpan[] tsa = new Microsoft.VisualStudio.Shell.Interop.TextSpan[1];
// tsa[0].iEndIndex = tsdeb[0].iEndIndex;
// tsa[0].iEndLine = tsdeb[0].iEndLine;
// tsa[0].iStartIndex = tsdeb[0].iStartIndex;
// tsa[0].iStartLine = tsdeb[0].iStartLine;
debugger.GetDataTipValue(textLines, tsdeb, null, out debugDataTip);
}
} catch (COMException e) {
Trace.WriteLine("GetDataTipValue=" + e.ErrorCode);
}
if (debugDataTip == null || debugDataTip == "")
{
return(text);
}
int i = debugDataTip.IndexOf('=');
if (i < 0)
{
return(text);
}
else
{
string spacer = (i < debugDataTip.Length - 1 && debugDataTip[i + 1] == ' ') ? " " : "";
return(text + spacer + debugDataTip.Substring(i));
}
}