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Unit1.cpp
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Unit1.cpp：Code Content
  1. //---------------------------------------------------------------------------
  2. #include <vcl.h>
  3. #pragma hdrstop
  5. #include "Unit1.h"
  6. //---------------------------------------------------------------------------
  7. #pragma package(smart_init)
  8. #pragma resource "*.dfm"
  9. TForm1 *Form1;
  10. //---------------------------------------------------------------------------
  11. __fastcall TForm1::TForm1(TComponent* Owner)
  12.         : TForm(Owner)
  13. {
  14. }
  15. //---------------------------------------------------------------------------
  17. void __fastcall TForm1::BitBtn1Click(TObject *Sender)
  18. {
  19.   if(BitBtn1->Tag==0)
  20.     BitBtn1->Glyph->Assign(Image1->Picture->Bitmap);
  21.   else if(BitBtn1->Tag==1)
  22.     BitBtn1->Glyph->Assign(Image2->Picture->Bitmap);
  23.   else
  24.     BitBtn1->Glyph->Assign(Image3->Picture->Bitmap);
  25.   BitBtn1->Tag++;
  26.   if(BitBtn1->Tag>=3)BitBtn1->Tag=0;
  27. }
  28. //---------------------------------------------------------------------------
  30. void __fastcall TForm1::BitBtn2Click(TObject *Sender)
  31. {
  32.   AnsiString bmpfile;
  33.   Graphics::TBitmap *Bitmap1 = new Graphics::TBitmap();
  34.   if(BitBtn2->Tag==0)
  35.     bmpfile="te1.bmp";
  36.   else if(BitBtn2->Tag==1)
  37.     bmpfile="te2.bmp";
  38.   else
  39.     bmpfile="te3.bmp";
  41.   try
  42.   {
  43.     Bitmap1->LoadFromFile(bmpfile);
  44.     BitBtn2->Glyph->Assign(Bitmap1);
  45.   }
  46.   catch (...)
  47.   {
  48.     ShowMessage("打开文件错误!");
  49.   }
  51.   BitBtn2->Tag++;
  52.   if(BitBtn2->Tag>=3)BitBtn2->Tag=0;
  53.   delete Bitmap1;
  54. }
  55. //---------------------------------------------------------------------------