Q&A - Question

Setting the brush on selected objects

Question
BerF asked on August 26, 2020, keyword: Developer Kernel
Is there a straight forward way to update the area of selected items?

I can see that you can choose colours, width, transparency and outline only but I can't figure out how to set a pattern for the area of the selected shapes.

 
Answers
Michal Kowalczuk replied August 26, 2020
No, you can't do more than changing Color, Outline, Transparency, and Width using GIS viewer properties.
If you want apply custom brush on selected objects, I reccomend the following steps:
  • create in-memory layer,
  • hide it from legend,
  • set params, brush, etc.,
  • copy selected shapes from source layer,
  • update the layer after each selection change.
Michal Kowalczuk replied August 26, 2020
Otherwise, if you want to change the selected shape, make current shape editable and then change it's params. MakeEditable method makes an in-memory copy of a shape, so you can apply an individual params for it. 
shp.MakeEditable.Params.Area.Color = TGIS_Color.Red
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