void apply_cell_format(int nRowIndexOfLongNameLabel = -4)
{
	Worksheet wks = Project.ActiveLayer();  
	if( !wks )
	{
		printf("Please keep worksheet active before running.\n");
		return;
	}
	
	Tree tr;    
	tr.Root.RangeStyles.RangeStyle1.Style.Font.Bold.nVal = 1;
	tr.Root.RangeStyles.RangeStyle1.Left.nVal = 1;
	tr.Root.RangeStyles.RangeStyle1.Top.nVal = 1;
	tr.Root.RangeStyles.RangeStyle1.Right.nVal = 1;
	tr.Root.RangeStyles.RangeStyle1.Bottom.nVal = 1;
	tr.Root.CommonStyle.Font.Bold.nVal = 1;
	
	                  
	DataRange dr;
	int c1 = 0, c2 = 1;
	dr.Add( "Range1", wks, nRowIndexOfLongNameLabel, c1, nRowIndexOfLongNameLabel, c2);

	// apply the format
	if( 0 == dr.UpdateThemeIDs(tr.Root) )
	{
		bool bRet = dr.ApplyFormat( tr, true, true );                        
	}		
}