Public Sub AutoFilterReset( _
   ByVal column As Integer _
) 

Dim instance As SheetView
Dim column As Integer
 
instance.AutoFilterReset(column)

public void AutoFilterReset( 
   int column
)

fpSpread1.ActiveSheet.Columns[0].AllowAutoFilter = true;
fpSpread1.ActiveSheet.Columns[1].AllowAutoFilter = true;
    
private void Button1Click(object sender, System.EventArgs e) {
     fpSpread1.ActiveSheet.AutoFilterReset(0);
}

FpSpread1.ActiveSheet.Columns(0).AllowAutoFilter = True
FpSpread1.ActiveSheet.Columns(1).AllowAutoFilter = True

Private Sub Button1Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
    FpSpread1.ActiveSheet.AutoFilterReset(0)
End Sub