openfilemapping 系统找不到指定文件
如题:
帖出具体代码
进程1
g_hFileMapMemory = CreateFileMapping((HANDLE)0xFFFFFFFF,NULL,PAGE_READONLY, 0, PACKET_SIZE,strMapFileName);
if(g_hFileMapMemory == NULL)
AfxMessageBox("g_hFileMapMemory is null!");
else
AfxMessageBox("g_hFileMapMemory is not null!");
进程2
if(g_hFileMapMemory == NULL)
{
AfxMessageBox(strMapFileName);
g_hFileMapMemory = OpenFileMapping(FILE_MAP_READ, FALSE, strMapFileName);
if(g_hFileMapMemory == NULL)
{
DisplayError("g_hFileMapMemory is NULL");//提示系统找不到指定文件
continue;
}
}