Реакция на ввод в SpinEdit

Variant Excel = CreateOleObject("Excel.Application");
    Excel.OlePropertySet(WideString("Visible"), true);
    Variant Book = Excel.OlePropertyGet(WideString("Workbooks")).OlePropertyGet
        (WideString("Open"), WideString("st1.xls"));
    Variant Sheet = Book.OlePropertyGet("Worksheets", 1);
 
    this->StringGrid1->Cells[0][0] = Sheet.OlePropertyGet(WideString("Range"),
        WideString("A1"));
 
    Excel.OleProcedure(WideString("Quit"));

Variant var_Excel, var_Sheet;
int Row_Counter = 0, Column_Counter = 0, Max_Column = 5, Max_Row = 5;
 
var_Excel=CreateOleObject("Excel.Application");
var_Excel.OlePropertyGet("Application").OlePropertyGet("Workbooks").OleProcedure("Open" , "st1.xls" );   var_Excel.OlePropertySet("Visible",false);
var_Sheet = var_Excel.OlePropertyGet("ActiveSheet");
 
for (Row_Counter ; Row_Counter <= Max_Row ; Row_Counter++)
    {
      for (Column_Counter ; Column_Counter <= Max_Column  ; Column_Counter++)
          {
           StringGrid1->Cells[Column_Counter][Row_Counter] =
               var_Sheet.OlePropertyGet("Cells").OlePropertyGet("Item", Row_Counter + 1 , Column_Counter + 1);
          }
          Column_Counter = 0;
    }
var_Excel.OlePropertyGet("Application").OleProcedure("Quit");
var_Sheet = Unassigned;
var_Excel = Unassigned;

#include <ComObj.hpp>
#include <utilcls.h>
#include <vcl.h>

String path = ExtractFilePath(ParamStr(0)) + "st1.xls";