private void OnDocumentMonikerChanged(IVsHierarchy hierarchy, string oldMoniker, string newMoniker)
{
// If the moniker change only involves casing differences then the project system will
// not remove & add the file again with the new name, so we should not clear any state.
// Leaving the old casing in the DocumentKey is safe because DocumentKey equality
// checks ignore the casing of the moniker.
if (oldMoniker.Equals(newMoniker, StringComparison.OrdinalIgnoreCase))
{
return;
}
// If the moniker change only involves a non-XAML project then ignore it.
AbstractProject project = GetXamlProject(hierarchy);
if (project == null)
{
return;
}
// Managed languages rely on the msbuild host object to add and remove documents during rename.
// For XAML we have to do that ourselves.
IVisualStudioHostDocument oldDocument = project.GetCurrentDocumentFromPath(oldMoniker);
if (oldDocument != null)
{
project.RemoveDocument(oldDocument);
}
IVisualStudioHostDocument newDocument = project.GetCurrentDocumentFromPath(newMoniker);
Debug.Assert(newDocument == null, "Why does the renamed document already exist in the project?");
if (newDocument == null)
{
if (TryCreateXamlDocument(project, newMoniker, out newDocument))
{
project.AddDocument(newDocument, isCurrentContext: true, hookupHandlers: true);
}
}
}
