project1.cpp

NetQQ源代码

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

#include <vcl.h>
#pragma hdrstop
//---------------------------------------------------------------------------
USEFORM("Unit1.cpp", Form1);
USEFORM("Unit2.cpp", Form2);
//---------------------------------------------------------------------------
WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
        DWORD dwExStyle = GetWindowLong(Application->Handle, GWL_EXSTYLE);
        dwExStyle |= WS_EX_TOOLWINDOW;
        SetWindowLong(Application->Handle, GWL_EXSTYLE, dwExStyle);
        Application->ShowMainForm = false; 
        try
        {
                 HANDLE hMutex;
                 hMutex=CreateMutex(
                 NULL,//nosecurityattributes
                 FALSE,//initiallynotowned
                 "RunOnlyOneInstance");//命名Mutex是全局对象
                 //在所有的process都可以访问到

                 if(hMutex!=NULL&&
                 ERROR_ALREADY_EXISTS!=::GetLastError())
                 {
                         Application->Initialize();
                         Application->CreateForm(__classid(TForm1), &Form1);
           Application->CreateForm(__classid(TForm2), &Form2);
           Application->Run();
                 }
        }
        catch (Exception &exception)
        {
                 Application->ShowException(&exception);
        }
        catch (...)
        {
                 try
                 {
                         throw Exception("");
                 }
                 catch (Exception &exception)
                 {
                         Application->ShowException(&exception);
                 }
        }
        return 0;
}
//---------------------------------------------------------------------------