protected void NewColumn(bool drawVerticalSeparator = false)
{
ListingStandard.NewColumn();
if (!drawVerticalSeparator)
{
return;
}
// draw vertical separator
var rect = ListingStandard.VirtualRect(InRect.height - DefaultElementHeight - 5f);
rect.x -= Listing.ColumnSpacing / 2f;
rect.width = 1f;
GUI.DrawTexture(rect, BaseContent.WhiteTex);
}