Problem

When moving Visere Captura dialogs or the application itself, from a laptop to a connected monitor, I sometimes get crashes and other times I don't see the tools windows, or there are strange behaviors with the fonts and windows painting.

The issue is related to a limitation of the cross platform user interface (UI) library that we are using, namely Qt.  This issue may be resolved in the future, with an upgrade to a newer Qt library.  There are two possible solutions:

  1. Set the DPI scaling for the extended monitor to a maximum of 125% scaling.
  2. Override the DPI scaling behavior for Visere Captura, as described in this article.  Read this article further, if you want to try this solution.

Solution

The issue is related to a limitation of the cross platform user interface (UI) library that we are using, namely Qt.  This issue may be resolved in the future, with an upgrade to a newer Qt library, but for now the solution is to force Windows to open Visere Captura at a maximum of less than 150% scaling.  Here is how to enforce a fixed font scaling for Visere Captura:

  1. Go to the installation folder of Visere Captura (by default: Program Files\DMMD Inc\VisereCaptura).
  2. Right click on Visere Captura and select Properties, as shown below
  3. Click the "Compatibility" tab and then on "Change high DPI settings"
  4. Check the box saying "Use this setting to fix scaling problems for this program instead of the one in Settings"
  5. Check the second box "Override high DPI scaling behavior"
  6. Change "Scaling performed by:" to be "System," as shown in the figure below:
  7. Restart Visere Captura.

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