Hi Jon, call TCanvas::Update in your loop to force the canvas to be paint. By default, the canvas is paint when a <CR> is typed (normal command mode) or when TCanvas::Update is called. Rene Brun Jon Gans wrote: > > I have a menu system that takes input from cin inside a while loop. This > macro calls other functions that draw canvases. However, after the canvas > is drawn, since the calling macro is still in the loop, the canvas are > frozen. > > Is there some semaphore I can overide to make these canvas active while > the calling macro is waiting for more input? > > Thanks > jon > > ______________________________________________________________________________ > > Jonathan Gans > Yale University Office (305 WNSL): (203) 432 - 5637 > Physics Department > PO BOX 208120 > New Haven, CT 06520-8120 http://www.jongans.com
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