colFirst Property (Ref8U)
A ColU that specifies the zero-based index of the first column in the range. The value MUST be less than or equal to colLast, and MUST be less than or equal to 0x00FF.
public short colFirst {get; set;}
'Declaration
Public Property colFirst As Short
'Usage
Dim instance As Ref8U
Dim value As Short
instance.colFirst = value
value = instance.colFirst