project1.cpp

来自「u盘的copy原代码」· C++ 代码 · 共 44 行

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

#include <vcl.h>
#pragma hdrstop
//---------------------------------------------------------------------------
USEFORM("Main.cpp", Form1);
USEFORM("Unit1.cpp", AboutBox);
//---------------------------------------------------------------------------
WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
        try
        {        HANDLE Mutex;
                 const char MutexName[]="newmutex";
                 Mutex=CreateMutex(NULL,true,MutexName);
                 int Error=GetLastError();
                 if(Error==ERROR_ALREADY_EXISTS)
                    {
                     ShowMessage("已有一个实例在运行");
                     return 0;
                    }
                 Application->Initialize();
                 Application->CreateForm(__classid(TForm1), &Form1);
                 Application->CreateForm(__classid(TAboutBox), &AboutBox);
                 Application->Run();
        }
        catch (Exception &exception)
        {
                 Application->ShowException(&exception);
        }
        catch (...)
        {
                 try
                 {
                         throw Exception("");
                 }
                 catch (Exception &exception)
                 {
                         Application->ShowException(&exception);
                 }
        }
        return 0;
}
//---------------------------------------------------------------------------