mainform.cpp

C++ BUILDER精彩编程实例集锦(源码) 第一部分 界面设计 第二部分 程序设置

//主窗体类实现文件
//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Mainform.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
  bChange=false;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ChangePicture(TMessage Message)
{//消息响应函数
  if(!bChange )
  {
   this->Image1->Picture->LoadFromFile("luobin02.bmp");
   bChange=!bChange;
  }
  else
  {
    this->Image1->Picture->LoadFromFile("luobin01.bmp");
    bChange=!bChange;
  }
}
void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{//发送消息
//   SendMessage(Handle,WM_MYCUSTOMMESSAGE,NULL,NULL);
   PostMessage(Handle,WM_MYCUSTOMMESSAGE,NULL,NULL);
}
//---------------------------------------------------------------------------