Trigger behavior: open the project with VS, click the UI file, and the QT designer will flashback after a few seconds
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Solution:
Method 1: right click
After QT designer is opened and before flashing back, right-click
Method 2: open QT designer and open the nearest window
Extension -> qt-> qt vs tools-> launch qt designer
Method 3: customize the opening method
Right-click the UI file, select the opening method, select QT designer, click add, and point to the designer corresponding to the compiler under the QT installation location
Find the QT installation location, find the corresponding compiler 1.mingw2.msvc, and click OK.