Returns or sets the
width of all columns in the specified range. Read/write OleVariant.
Syntax
property ColumnWidth: OleVariant;
Remarks
One unit of column width is equal to the width of one character in the Normal style. For proportional fonts, the width of the character 0 (zero) is used.
Example
This example doubles the width of column A on sheet one.
With Workbook.Sheets[1].Range['A1', 'A1'] do
begin
ColumnWidth := ColumnWidth * 2;
end;