Yongzhao Zhou wrote: > > Hi, roots, > I find a solution of my trouble by instruction of function ProcessEvent() > to interrupt the loop that is push any key when canvas is active. Now a > new quistion is how I can reload a eventhandle function in an unlimit > loop such as how I can click a button names "stop loop" to stop the > loop. See an example in the Root class TTreeViewer. See definition of button BREAK Rene Brun
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