[]
Gets the number of trailing frozen columns in the worksheet.
This property returns the trailing frozen column position specified by FreezeTrailingPanes(int, int).
Returns 0 if the worksheet does not have trailing frozen panes.
int FreezeTrailingColumn { get; }
ReadOnly Property FreezeTrailingColumn As Integer
worksheet.FreezeTrailingPanes(1, 2);
int trailingFrozenColumn = worksheet.FreezeTrailingColumn;