+// Execute a program in an Interactive Shell
+bool wxShell(const wxString& command)
+{
+ wxChar *shell = wxGetenv(wxT("COMSPEC"));
+ if ( !shell )
+ shell = (wxChar*) wxT("\\COMMAND.COM");
+
+ wxString cmd;
+ if ( !command )
+ {
+ // just the shell
+ cmd = shell;
+ }
+ else
+ {
+ // pass the command to execute to the command processor
+ cmd.Printf(wxT("%s /c %s"), shell, command.c_str());
+ }
+
+ return wxExecute(cmd, TRUE /* sync */) != 0;
+}
+
+// Shutdown or reboot the PC
+bool wxShutdown(wxShutdownFlags wFlags)
+{
+#ifdef __WIN32__
+ bool bOK = TRUE;
+
+ if ( wxGetOsVersion(NULL, NULL) == wxWINDOWS_NT ) // if is NT or 2K
+ {
+ // Get a token for this process.
+ HANDLE hToken;
+ bOK = ::OpenProcessToken(GetCurrentProcess(),
+ TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,
+ &hToken) != 0;
+ if ( bOK )
+ {
+ TOKEN_PRIVILEGES tkp;
+
+ // Get the LUID for the shutdown privilege.
+ ::LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,
+ &tkp.Privileges[0].Luid);
+
+ tkp.PrivilegeCount = 1; // one privilege to set
+ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+
+ // Get the shutdown privilege for this process.
+ ::AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,
+ (PTOKEN_PRIVILEGES)NULL, 0);
+
+ // Cannot test the return value of AdjustTokenPrivileges.
+ bOK = ::GetLastError() == ERROR_SUCCESS;
+ }
+ }
+
+ if ( bOK )
+ {
+ UINT flags = EWX_SHUTDOWN | EWX_FORCE;
+ switch ( wFlags )
+ {
+ case wxSHUTDOWN_POWEROFF:
+ flags |= EWX_POWEROFF;
+ break;
+
+ case wxSHUTDOWN_REBOOT:
+ flags |= EWX_REBOOT;
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unknown wxShutdown() flag") );
+ return FALSE;
+ }
+
+ bOK = ::ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE | EWX_REBOOT, 0) != 0;
+ }
+
+ return bOK;
+#else // Win16
+ return FALSE;
+#endif // Win32/16
+}
+
+// ----------------------------------------------------------------------------
+// misc
+// ----------------------------------------------------------------------------
+
+// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
+long wxGetFreeMemory()
+{
+#if defined(__WIN32__) && !defined(__BORLANDC__) && !defined(__TWIN32__)
+ MEMORYSTATUS memStatus;
+ memStatus.dwLength = sizeof(MEMORYSTATUS);
+ GlobalMemoryStatus(&memStatus);
+ return memStatus.dwAvailPhys;
+#else
+ return (long)GetFreeSpace(0);
+#endif
+}
+
+unsigned long wxGetProcessId()
+{
+#ifdef __WIN32__
+ return ::GetCurrentProcessId();
+#else
+ return 0;
+#endif
+}
+
+// Emit a beeeeeep
+void wxBell()
+{
+ ::MessageBeep((UINT)-1); // default sound
+}
+
+wxString wxGetOsDescription()
+{
+#ifdef __WIN32__
+ wxString str;
+
+ OSVERSIONINFO info;
+ wxZeroMemory(info);
+
+ info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ if ( ::GetVersionEx(&info) )