Hi, OpenGL has a few constraints that must be done. I suggest you to take a look at the full examples in the folder:
http://webserver2.tecgraf.puc-rio.br/iup/examples/ Try to run the examples to see the OpenGL controls working. The problems I had usually are related with initialization and viewport. Best, Scuri Em qua., 2 de dez. de 2020 às 09:53, João Batista Sousa Jr. < joaobatistasous...@gmail.com> escreveu: > Hi all > I have an interactive application for concrete structures in which I used > IupCanvas+CD_IUP for some time. Recently I changed to IupGLCanvasBox+CD_GL > in order to use the IupGLControls elements. > I have had problems with mouse interaction (e.g. window zooming) which I > have not managed to solve. I noticed that when a Modal Dialog is opened by > the application, after it closes, the next mouse interaction produces a > black screen. Redrawing the canvas returns the correct view. > I know it's a bit vague but I have tried lots of changes and could not fix > it. > I'm on Windows 10, Visual Studio 2017, MacBook Air with Boot Camp, updated > versions of IUP and CD. > Thanks in advance for any help. > João Batista. > > > _______________________________________________ > Iup-users mailing list > Iup-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/iup-users >
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