The WinMain function is called by the system as the initial entry point for a Windows-based application.
Syntax
int WinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow
);
Parameters
hInstance[in] Handle to the current instance of the application. hPrevInstance[in] Handle to the previous instance of the application. This parameter is always NULL. If you need to detect whether another instance already exists, create a uniquely named mutex using the CreateMutex function. CreateMutex will succeed even if the mutex already exists, but the function will return ERROR_ALREADY_EXISTS. This indicates that another instance of your application exists, because it created the mutex first. lpCmdLine[in] Pointer to a null-terminated string specifying the command line for the application, excluding the program name. To retrieve the entire command line, use the GetCommandLine function. nCmdShow[in] Specifies how the window is to be shown. This parameter can be one of the following values. SW_HIDE本文地址：http://com.8s8s.com/it/it193.htm