void StyleScopeClose(StyleScope scope)
{
scope.OnDisposed -= StyleScopeClose;
if (_styleGroupStack.Peek() != scope.Group)
{
throw new System.Exception("Unexpected style group attempting to close.");
}
_styleGroupStack.Pop();
}
protected StyleScope styleScope(StyleGroup styleGroup)
{
var scope = new StyleScope(styleGroup);
scope.OnDisposed += StyleScopeClose;
_styleGroupStack.Push(scope.Group);
return(scope);
}
