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Performance drops when window is overlapping taskbar on Windows7



  • Hello,

    First of all, I am on Windows 7. This behavior does not appear on Mac OSX. It may also appear on Windows 8.

    How to reproduce:

    1. Load the Qt Quick Controls - Gallery example;
    2. Drag the window while making sure the bottom is NOT overlapping the taskbar => FINE;
    3. Drag the window while the bottom is actually overlapping the taskbar => performance drops!

    Do you know what's problem and how to solve it?

    Thanks for any help.
    Best regards.



  • It seems it is not particular to my program but it is a general problem. It is easily reproducible using provided Qt Quick Examples.



  • It seems it is not particular to my program but it is a general problem. It is easily reproducible using provided Qt Quick Examples.


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