'Declaration

Public Function GetColumnIsHidden( _
   ByVal columnIndex
The column index.
 As System.Int32 _
) As System.Nullable(Of Boolean)

public System.Nullable<bool> GetColumnIsHidden(
   System.Int32 columnIndex
)

public: System.Nullable<bool> GetColumnIsHidden(
   System.Int32 columnIndex
)

public:
System.Nullable<bool> GetColumnIsHidden(
   System.Int32 columnIndex
)

True - sheet has column and Column.Hidden property is set to true; false - sheet has column and Column.Hidden property is set to false; null - sheet does not have column or column does not have value of Column.Hidden property.