Public Function GetLastNonEmptyColumn( _
   ByVal dataFlag As NonEmptyItemFlag _
) As Integer

Dim instance As SheetView
Dim dataFlag As NonEmptyItemFlag
Dim value As Integer
 
value = instance.GetLastNonEmptyColumn(dataFlag)

public int GetLastNonEmptyColumn( 
   NonEmptyItemFlag dataFlag
)

int i, j;
fpSpread1.Columns[2].CellType = new FarPoint.Win.Spread.CellType.DateTimeCellType();
for( i = 0; i < 10; i++ )
    fpSpread1.ActiveSheet.SetValue(i, 0, i + 1);
j = 0;
for( i = 106;  i > 96; i-- )
{
    fpSpread1.ActiveSheet.SetValue(j, 1, Convert.ToChar(i));
    j += 1;
}
System.DateTime mydate = System.DateTime.Now;
for( i = 0; i < 10; i++ )
    fpSpread1.ActiveSheet.SetValue(i, 2, mydate.AddDays(i));
label1.Text = "The last non-empty column and row is: Column( " + fpSpread1.ActiveSheet.GetLastNonEmptyColumn(FarPoint.Win.Spread.NonEmptyItemFlag.Data).ToString()
+ ") - Row(" + fpSpread1.ActiveSheet.GetLastNonEmptyRow(FarPoint.Win.Spread.NonEmptyItemFlag.Data).ToString() + ")";

Dim i As Integer, j As Integer
FpSpread1.ActiveSheet.Columns(2).CellType = New FarPoint.Win.Spread.CellType.DateTimeCellType()
For i = 0 To 9
    FpSpread1.ActiveSheet.SetValue(i, 0, i + 1)
Next
j = 0
For i = 106 To 97 Step -1
    FpSpread1.ActiveSheet.SetValue(j, 1, Convert.ToChar(i))
    j += 1
Next
Dim mydate As DateTime = Now
For i = 0 To 9
    FpSpread1.ActiveSheet.SetValue(i, 2, mydate.AddDays(i))
Next
Label1.Text = "The last non-empty column and row is: Column( " & FpSpread1.ActiveSheet.GetLastNonEmptyColumn(FarPoint.Win.Spread.NonEmptyItemFlag.Data).ToString()
& ") - Row(" & FpSpread1.ActiveSheet.GetLastNonEmptyRow(FarPoint.Win.Spread.NonEmptyItemFlag.Data).ToString() & ")"