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Unit1.cpp：源码内容

							//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCloseQuery(TObject *Sender, bool &CanClose)
{
  if(Edit1->Text=="Exit")CanClose=True;
  else
  {
    Application->MessageBoxA("要关闭吗，在Edit中输入Exit","提示",MB_OK);
    CanClose=False;
  }
}
//---------------------------------------------------------------------------
 

						