{description}
{excerpt}Returns the column's 0\-based index.{excerpt}
{signature:C#}
 public int ColumnNumber{ get; }
{signature}{signature:vb.net}
Public ReadOnly Property ColumnNumber() As Integer
{signature}
{example}{code:csharp|title=C#}
int colNum = colProps.ColumnNumber;{code}
{code:vb.net|title=vb.net}
Dim colNum As Integer = colProps.ColumnNumber{code}

{example}