isCOBOL Evolve : User Interface : Controls Reference : TAB-CONTROL : Properties : Gradient-Color-1
Gradient-Color-1
This property allows you to set or retrieve the start color of the gradient effect of the Tab-Control control.
If this property is not set, but Gradient-Color-2 is set, then the start color of the gradient effect is black.
The gradient effect overrides the color set by Background-Color.
See "Color management" for further details.
 
Example - Define a tab control whose background color goes from gray to white
...
screen section.
...
  03 screen-1-tc-1 Tab-Control
     line 2.8
     column 25.7
     size 34.6 cells 
     lines 28.9 cells 
     gradient-color-1 rgb x#c0c0c0
     gradient-color-2 rgb x#ffffff
     gradient-orientation gradient-northeast-to-southwest
     id 10
     bitmap-width 16
     .
...