unit1.cpp

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//---------------------------------------------------------------------------
#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::BitBtn1Click(TObject *Sender)
{
  if(BitBtn1->Tag==0)
    BitBtn1->Glyph->Assign(Image1->Picture->Bitmap);
  else if(BitBtn1->Tag==1)
    BitBtn1->Glyph->Assign(Image2->Picture->Bitmap);
  else
    BitBtn1->Glyph->Assign(Image3->Picture->Bitmap);
  BitBtn1->Tag++;
  if(BitBtn1->Tag>=3)BitBtn1->Tag=0;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::BitBtn2Click(TObject *Sender)
{
  AnsiString bmpfile;
  Graphics::TBitmap *Bitmap1 = new Graphics::TBitmap();
  if(BitBtn2->Tag==0)
    bmpfile="te1.bmp";
  else if(BitBtn2->Tag==1)
    bmpfile="te2.bmp";
  else
    bmpfile="te3.bmp";

  try
  {
    Bitmap1->LoadFromFile(bmpfile);
    BitBtn2->Glyph->Assign(Bitmap1);
  }
  catch (...)
  {
    ShowMessage("打开文件错误!");
  }

  BitBtn2->Tag++;
  if(BitBtn2->Tag>=3)BitBtn2->Tag=0;
  delete Bitmap1;
}
//---------------------------------------------------------------------------