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VSTO DrawItem control not visible RRS feed

  • Question

  • Hi all,

    we have an Excel VSTO application with a taskpane containing some comboboxes, buttons and a rRchtTextbox. For the comboboxes  we use the DrawItem, for the RTB  we use onpaint to set colors/font details and so on.

    Now it works perfectly but we are having some problems with some clients( about 2 percent of our installed base), they don't see the 'DrawItem/Onpaint' controls on the screen, the rest of the controls are OK.

    I can't find any usefull info on internet, any idea?

    tnx!

    BTW is the .net framework version (4.0 currently used) of importance?





    • Edited by ArieSmit Wednesday, December 4, 2019 7:46 AM
    Monday, December 2, 2019 1:43 PM