I have a non main-window opened, when calling a function inside the window, it opened a new instance of the non-main window instead of refreshing or updating the current opened one.
I have tried to put Me.Invalidate in the last line of the code in the aforementioned 're-opened' window part.
Also have tried to call WindowName.Invalidate from other Window that is wanted to refresh that opened window. But it's still opening new instance of the window!
How to properly called a function in the already opened non-main window ?