QB64 Team Software => InForm Discussion => Topic started by: WilliGrundmann on April 15, 2020, 03:44:04 am
Title: Label Background Colours
Post by: WilliGrundmann on April 15, 2020, 03:44:04 am
Hi,
I am new to QB64 and InForm.
For a small project I would like to change the background color of a label depending on the data from the serial port. This needs to work without operator interaction.
I tried to do this via code in the __UI_BeforeUpdateDisplay subroutine. However Control(AlarmLabel).BackColor= _RGB32(x,y,z) changes the color only once. All following Control(AlarmLabel).BackColor= _RGB32(x,y,z) with a different color have no effect.
Is there another method to change the background color of a label at run time?
Title: Re: Label Background Colours
Post by: FellippeHeitor on April 15, 2020, 08:18:49 am
Most redrawing is done based on certain detected changes. I don't recall if .BackColor is actively monitored.
And yes, best place for that is in __UI_BeforeUpdateDisplay.
Let me know if that does it, please.
Title: Re: Label Background Colours
Post by: FellippeHeitor on April 15, 2020, 08:40:26 am
...and welcome to QB64+InForm+the Forum :-)
Title: Re: Label Background Colours
Post by: WilliGrundmann on April 15, 2020, 06:20:02 pm
HI Phillippe,
Thank you very much for the advice. The background color works fine now.
Most of my programming is for embedded systems using Microchip processors. I do not get involved in PC based software very often. In the past I used QuickBasic and Visual Basic.
QB64 together with Inform may be a more efficient tool for small PC based applications.