public ISignatureHelpSource TryCreateSignatureHelpSource(ITextBuffer textBuffer)
{
Contract.Assume(textBuffer != null);
if (VSServiceProvider.Current == null || VSServiceProvider.Current.ExtensionHasFailed)
{
//If the VSServiceProvider is not initialize, we can't do anything.
return(null);
}
return(VSServiceProvider.Current.Logger.PublicEntry <ISignatureHelpSource>(() => {
if (VSServiceProvider.Current.VSOptionsPage != null && !VSServiceProvider.Current.VSOptionsPage.SignatureHelp)
{
return null;
}
//Can we get the TextViewTracker?
TextViewTracker textViewTracker;
if (TextViewTracker.TryGetTextViewTracker(textBuffer, out textViewTracker))
{
return new SignatureHelpSource(textBuffer, textViewTracker);
}
else
{
return null;
}
}, "TryCreateSignatureHelpSource"));
}
public IQuickInfoSource TryCreateQuickInfoSource(ITextBuffer textBuffer)
{
Contract.Assume(textBuffer != null);
if (VSServiceProvider.Current == null || VSServiceProvider.Current.ExtensionHasFailed)
{
//If the VSServiceProvider is not initialize, we can't do anything.
return(null);
}
return(VSServiceProvider.Current.Logger.PublicEntry <IQuickInfoSource>(() => {
if (VSServiceProvider.Current.VSOptionsPage != null && !VSServiceProvider.Current.VSOptionsPage.QuickInfo)
{
return null;
}
TextViewTracker textViewTracker;
if (TextViewTracker.TryGetTextViewTracker(textBuffer, out textViewTracker))
{
return new QuickInfoSource(textBuffer, textViewTracker);
}
else
{
return null;
}
}, "TryCreateQuickInfoSession"));
}