Sets or returns the dimensions of the area in the format "A1:B7".

 public System.String Dimensions{ get; }
Public ReadOnly Property Dimensions() As String

//--- Get Dimensions
string areaDimensions = a.Dimensions;

//--- Set Dimensions
a.Dimensions = "A1:B7";

'--- Get Dimensions
Dim areaDimensions As String = a.Dimensions

'--- Set Dimensions
a.Dimensions = "A1:B7"