public override int OnElementValueChanged(uint elementid, object varValueOld, object varValueNew)
{
int hr = VSConstants.S_OK;
if (elementid == VSConstants.DocumentFrame)
{
IVsWindowFrame pWindowFrame = varValueOld as IVsWindowFrame;
if (pWindowFrame != null)
{
object document;
// Get the name of the document associated with the old window frame.
//
hr = pWindowFrame.GetProperty((int)__VSFPROPID.VSFPROPID_pszMkDocument, out document);
if (ErrorHandler.Succeeded(hr))
{
uint itemid;
IVsHierarchy hier = projMgr;
hr = hier.ParseCanonicalName((string)document, out itemid);
NemerleFileNode node = projMgr.NodeFromItemId(itemid) as NemerleFileNode;
if (null != node)
{
node.RunGenerator();
}
}
}
}
return(hr);
}
