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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::FormCreate(TObject *Sender)
{
    //初始化数据
    char letter='A';
    for(int i=0;i<26;i++,letter++)LetterTable[i]=letter;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    if(Button1->Caption=="Start")
    {
        //创建互斥量，不属于某个线程，为有信号情况
        hMutex=CreateMutex(NULL,false,NULL);
        //清空以前的内容
        Memo1->Lines->Clear();
        //使“Start”键变成“Stop”键，禁止线程重复载入
        Button1->Caption="Stop";
        //启动线程
        ReverseThread=new TReverseThread(false);
        DisplayThread=new TDisplayThread(false);
    }
    else
    {
        //终止线程
        ReverseThread->Terminate();
        DisplayThread->Terminate();
        //恢复“Start”键，允许再次启动线程
        Button1->Caption="Start";
    }
}
//---------------------------------------------------------------------------

						