unit1.cpp

用C++ Builder 编写得发送消息的程序源码

//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
#include "Unit1.h"
#include "Unit2.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button1Click(TObject *Sender)
{
   Form2->Perform(WM_CLOSE,0,0);  
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
   SendMessage(Form2->Handle,WM_CLOSE,0,0);     
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button3Click(TObject *Sender)
{
   PostMessage(Form2->Handle,WM_CLOSE,0,0);        
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button4Click(TObject *Sender)
{
  TMessage M;
  M.Msg=WM_LBUTTONDOWN;
  Form2->Broadcast(&M);
}
//---------------------------------------------------------------------------