unit1.cpp

本程序功能实现调用系统计算器

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

#include <vcl.h>
#pragma hdrstop

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

void __fastcall TForm1::Button2Click(TObject *Sender)
{
   AnsiString Path;
   Path.SetLength(256);
   Path.SetLength(GetSystemDirectory(Path.c_str(),Path.Length()));
   ShellExecute(Handle,  //父窗体句柄
   "open",               //指向文件处理方式字符串的指针
   "calc.exe",           //指向文件名字符串指针
   NULL,                 //指向可执行文件运行参数字符串的指针
   Path.c_str(),         //指向默认路径字符串的指针
   SW_SHOWNORMAL         //标志程序被显示的方式
   );
}
//---------------------------------------------------------------------------