title: Best Way to show Busy Bar In WPF Application
body: <p>I have WPF Application where I have One main form and other user controls are shown in the main form as child form. I have to show Busy bar when I make Async call to data base. What is the best way to declare Busy bar object and then used in every child user control. Should I need to declare busy bar object in the main Form and then Used it the child user control or The App file is best, or is there any good way.</p>