The ApplyTo property specifies whether the ConditionalFormat object is applied to items or to cells in the column. The following VB sample bolds all cells in the second column ( 1 ), if the sum between second and third column ( 2 ) is less than the value in the first column ( 0 ):

With ComboBox1.ConditionalFormats.Add("%1+%2<%0")
    .ApplyTo = 1
    .Bold = True
End With

The following C++ sample bolds all cells in the second column ( 1 ), if the sum between second and third column ( 2 ) is less than the value in the first column ( 0 ):

COleVariant vtEmpty;
CConditionalFormat cf = m_combobox.GetConditionalFormats().Add( "%1+%2<%0", vtEmpty );
cf.SetBold( TRUE );
cf.SetApplyTo( 1 );

The following VB.NET sample bolds all cells in the second column ( 1 ), if the sum between second and third column ( 2 ) is less than the value in the first column ( 0 ):

With AxComboBox1.ConditionalFormats.Add("%1+%2<%0")
    .ApplyTo = 1
    .Bold = True
End With

The following C# sample bolds all cells in the second column ( 1 ), if the sum between second and third column ( 2 ) is less than the value in the first column ( 0 ):

EXCOMBOBOXLib.ConditionalFormat cf = axComboBox1.ConditionalFormats.Add("%1+%2<%0",null);
cf.Bold = true;
cf.ApplyTo = (EXCOMBOBOXLib.FormatApplyToEnum)1;

The following VFP sample bolds all cells in the second column ( 1 ), if the sum between second and third column ( 2 ) is less than the value in the first column ( 0 ):

with thisform.ComboBox1.ConditionalFormats.Add("%1+%2<%0")
	.Bold = .t.
	.ApplyTo = 1
endwith