unit1.cpp

来自「有视频」· C++ 代码 · 共 44 行

//---------------------------------------------------------------------------
#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::Button1Click(TObject *Sender)
{
  int nn;
  AnsiString ss;
  nn=ListBox1->ItemIndex;
  if(nn<1)return;
  ss=ListBox1->Items->Strings[nn];
  ListBox1->Items->Strings[nn]=
    ListBox1->Items->Strings[nn-1];
  ListBox1->Items->Strings[nn-1]=ss;
  ListBox1->ItemIndex=nn-1;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button2Click(TObject *Sender)
{
  int nn;
  AnsiString ss;
  nn=ListBox1->ItemIndex;
  if((nn<0)||(nn>=(ListBox1->Items->Count-1)))return;
  ss=ListBox1->Items->Strings[nn];
  ListBox1->Items->Strings[nn]=
    ListBox1->Items->Strings[nn+1];
  ListBox1->Items->Strings[nn+1]=ss;
  ListBox1->ItemIndex=nn+1;
}
//---------------------------------------------------------------------------