Hello, All

Newbie here.

Scenario:
2 monitors connects together. Current Window display mode is extended.
Widget A is located on extended screen.

Operation:
Switch Window display mode from extended to duplicate, back to extend.
Widget A does not paint correctly. (looks like getting cutted)

Once I use mouse click on Widget A, drag it and move, Widget A shows correctly.

Question:
How can I make Widget A paint properly on extend screen ?