gridview 合并单元格后，选中颜色重新绘制

 gv_docargo.RowStyle += OnRowStyle;
 private void OnRowStyle(object sender, DevExpress.XtraGrid.Views.Grid.RowStyleEventArgs e)
 {

 if (e.RowHandle == gv_docargo.FocusedRowHandle)
 {

 e.Appearance.BackColor = Color.CornflowerBlue;
 e.Appearance.ForeColor = Color.White;
 e.HighPriority = true;

 }
 }