mainform.cpp

来自「C++ BUILDER精彩编程实例集锦(源码)3 第五部分 系统编程 第六部」· C++ 代码 · 共 39 行

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

#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->Edit1->Text="";
   this->Edit2->Text="";
   this->Edit3->Text="";
}
//---------------------------------------------------------------------------
void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{
  char cDrive=this->DriveComboBox1->Drive;
  AnsiString StrDrive=cDrive;
  StrDrive+=":";
  char VolName[200],FSName[50];
  DWORD dwVolSer,lpMaxComLen,lpFSFlags;
 if( GetVolumeInformation(StrDrive.c_str(),VolName,200,&dwVolSer,&lpMaxComLen,&lpFSFlags,FSName,50))
 {
   if(dwVolSer==0)
      this->Edit1->Text="";
   else
     this->Edit1->Text=IntToStr(Integer(dwVolSer));;
  this->Edit2->Text=VolName;
  this->Edit3->Text=FSName;
 }
}
//---------------------------------------------------------------------------