project1.cpp

来自「本书《C++Builder与WindowsAPI经典范例》附含配套光盘包括132」· C++ 代码 · 共 14 行

//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop
USERES("Project1.res");
USEFORM("Unit1.cpp", Form1);
//---------------------------------------------------------------------------
WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
HANDLE hMutex;
try
   {
   //尝试打开此程序特有的Mutex识别对象
   hMutex = ::OpenMutex( MUTEX_ALL_ACCESS, 0, "MyMutexName" );
   //若成功，则表示已有此程序正在执行中，