Hi bert,
If you want to change the Font and ForeColor of a GroupViewItem without selecting or Mousehovering it, then please refer this code snippet:
//Setting Color and font for GroupViewItems
this.groupView1.ForeColor = Color.Blue;
this.groupView1.Font = new Font("Arial", 18);
Please refer the sample in the below link and let us know if this helps.
http://websamples.syncfusion.com/samples/Tools.Windows/F64805/main.htmThank you for using Syncfusion Products.
Best Regards,
Jeba.