mainform.cpp

C++ BUILDER精彩编程实例集锦(源码)2 第三部分 文件操作 第四部分 图像处理

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "MainForm.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
  this->RichEdit1->Text="";
}
//---------------------------------------------------------------------------

void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{
   this->OpenDialog1->Options.Clear();
   this->OpenDialog1->Filter= "Text files (*.txt)|*.TXT|C++ files (*.cpp)|*.cpp";
   this->OpenDialog1->Title="我的文件打开对话框";
   this->OpenDialog1->InitialDir="C:\\";
   if(this->OpenDialog1->Execute())
   {
      this->RichEdit1->Lines->LoadFromFile(this->OpenDialog1->FileName);
   }
}
//---------------------------------------------------------------------------
void __fastcall TForm1::BitBtn2Click(TObject *Sender)
{
   this->SaveDialog1->Options.Clear();
   this->SaveDialog1->Title="我的文件保存对话框";
   this->SaveDialog1->InitialDir="C:\\";
   this->SaveDialog1->DefaultExt="txt";
   if(this->SaveDialog1->Execute())
   {
      AnsiString StrFileName=this->SaveDialog1->FileName;
      this->RichEdit1->Lines->SaveToFile(StrFileName);
   }
}
//---------------------------------------------------------------------------

void __fastcall TForm1::BitBtn3Click(TObject *Sender)
{
   this->Close();
}
//---------------------------------------------------------------------------