// ------------------------------------------------------
/// <summary>
/// Unhooks the specified delegates from the code model event sink.
/// </summary>
/// <param name="elementAdded">
/// A delegate that was previously registered to be called when an
/// element is added to the code model.
/// </param>
/// <param name="elementChanged">
/// A delegate that was previously registered to be called when an
/// element changes in the code model.
/// </param>
/// <param name="elementDeleted">
/// A delegate that was previously registered to be called when an
/// element is deleted from the code model.
/// </param>
public void UnadviseCodeModelEvents(
_dispCodeModelEvents_ElementAddedEventHandler elementAdded,
_dispCodeModelEvents_ElementChangedEventHandler elementChanged,
_dispCodeModelEvents_ElementDeletedEventHandler elementDeleted)
{
// This might be called as a consequence of closing the IDE, in
// which case this would fail, so wrap it in a try/catch.
try
{
DTE dte = (DTE)GetService(typeof(DTE));
Events2 events = (Events2)((DTE2)dte).Events;
CodeModelEvents cmEvents = events.get_CodeModelEvents(null);
if (cmEvents != null)
{
if (elementAdded != null)
{
cmEvents.ElementAdded -= elementAdded;
}
if (elementChanged != null)
{
cmEvents.ElementChanged -= elementChanged;
}
if (elementDeleted != null)
{
cmEvents.ElementDeleted -= elementDeleted;
}
}
}
catch (Exception) { }
}
// ------------------------------------------------------
/// <summary>
/// Hooks the specified delegates into the code model event sink.
/// </summary>
/// <param name="elementAdded">
/// A delegate to be called when an element is added to the code
/// model.
/// </param>
/// <param name="elementChanged">
/// A delegate to be called when an element changes in the code model.
/// </param>
/// <param name="elementDeleted">
/// A delegate to be called when an element is deleted from the code
/// model.
/// </param>
public void AdviseCodeModelEvents(
_dispCodeModelEvents_ElementAddedEventHandler elementAdded,
_dispCodeModelEvents_ElementChangedEventHandler elementChanged,
_dispCodeModelEvents_ElementDeletedEventHandler elementDeleted)
{
DTE dte = (DTE)GetService(typeof(DTE));
Events2 events = (Events2)((DTE2)dte).Events;
CodeModelEvents cmEvents = events.get_CodeModelEvents(null);
if (cmEvents != null)
{
if (elementAdded != null)
{
cmEvents.ElementAdded += elementAdded;
}
if (elementChanged != null)
{
cmEvents.ElementChanged += elementChanged;
}
if (elementDeleted != null)
{
cmEvents.ElementDeleted += elementDeleted;
}
}
}