比如我写一个界面，上面放了一个按钮，我一按键就执行保存在C:/QQ/QQ.EXE,运行QQ程序。

已搞定        
SHELLEXECUTEINFO ShExecInfo = {0};
                            ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
                            ShExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
                            ShExecInfo.hwnd = NULL;
                            ShExecInfo.lpVerb = NULL;
                            ShExecInfo.lpFile = "D:\\meter\\Meter.exe";  
                            ShExecInfo.lpParameters = "";  
                            ShExecInfo.lpDirectory = NULL;
                            ShExecInfo.nShow = SW_SHOW;
                            ShExecInfo.hInstApp = NULL;  
                            ShellExecuteEx(&ShExecInfo);
                        //    WaitForSingleObject(ShExecInfo.hProcess,INFINITE);

可以使用ShellExcute函数的。。。

winexec,shellexecute,createProcess