判断当前的系统的版本：WindowsXP vista Windows7等不同的系统

//--------------------------------------------------------------------------- #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::GetOS() { OSVERSIONINFOEX osvi; ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX)); osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX); if( !GetVersionEx ((OSVERSIONINFO *)&osvi) ) { osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); if( !GetVersionEx( (OSVERSIONINFO *)&osvi) ) ShowMessage("失败！"); } // lpBuffer [0] = _T('\0') ; // if( osvi.dwMajorVersion == 4 ) // { // switch( osvi.dwPlatformId ) // { // case VER_PLATFORM_WIN32_WINDOWS: // lstrcpyn( lpBuffer, _T("Windows98"), uSize ) ; // break; // // case VER_PLATFORM_WIN32_NT: // lstrcpyn( lpBuffer, _T("WindowsNT"), uSize ) ; // break; // } // } else if( osvi.dwMajorVersion == 5 ) { // switch( osvi.dwMinorVersion ) // { // case 0: // lstrcpyn( lpBuffer, _T("Windows2000"), uSize ) ; // break; // // case 1: // lstrcpyn( lpBuffer, _T("WindowsXP"), uSize ) ; // break; // // case 2: // lstrcpyn( lpBuffer, _T("Windows2003"), uSize ) ; // break; ShowMessage("WindowsXP！"); mmo1->Lines->Add("WindowsXP"); // } } if( osvi.dwMajorVersion == 6 ) { // lstrcpyn( lpBuffer, _T("Vista"), uSize ) ; // switch( osvi.dwMinorVersion ) // { // case 0: // lstrcpyn( lpBuffer, _T("Vista"), uSize ) ; // break; // case 1: // lstrcpyn( lpBuffer, _T("Windows7"), uSize ) ; // break; // } ShowMessage("成功Windows7！"); mmo1->Lines->Add("成功Windows7"); } // return lstrlen(lpBuffer) > 0 ; Close(); } //--------------------------------------------------------------------------- void __fastcall TForm1::btn1Click(TObject *Sender) { GetOS(); } //---------------------------------------------------------------------------