5 references to GroupDescriptionsMonitor
PresentationFramework (5)
src\Framework\System\Windows\Controls\ItemCollection.cs (5)
1785using (GroupDescriptionsMonitor.Enter()) 2047if (GroupDescriptionsMonitor.Busy) 2053using (GroupDescriptionsMonitor.Enter()) 2065if (!IsShapingActive || GroupDescriptionsMonitor.Busy) 2069using (GroupDescriptionsMonitor.Enter())