C / C++ / MFC

Still learning how to code wrote:

I placed it in a batch file (deveject -EjectName:"USB Mass Storage Device") in...

Still learning how to code wrote:

szCmdLine = "D:\\StickCopier\\deveject -EjectName:" + quote + "USB Mass Storage Device" + quote;

szCmdLine = "D:\\StickCopier\\deveject -EjectName:\"USB Mass Storage Device\"";

CString szFile = "D:\\StickCopier\\deveject.exe";
const CString quote = "\""; // This is actually the character '"'
CString szParameters = "-EjectName:" + quote + "USB Mass Storage Device" + quote;
CString szDirectory = "D:\\StickCopier\\";

HINSTANCE hInstance;
hInstance = ShellExecute(NULL,"Open",szFile, szParameters, szDirectory,SW_HIDE);    // returns 42 (> 33 so no error

lor75 wrote:

I wonder if it’s necessary to insert destructors for the classes of the project.

lor75 wrote:

I suppose (but I’m not sure) that Windows automatically calls destructors for classes...

lor75 wrote:

But what’s the situation for classes that I have inserted in the software?

lor75 wrote:

I never put destructor for these objects (dialogs, strings, bitmap, controls, custom objects…)

class YourClass
{
   ~YourClass (){/* no need to delete m_Bitmap */};
   CBitmap m_Bitmap;
};

class YourClass
{
   ~YourClass () {delete m_Bitmap;};
   CBitmap* m_Bitmap;
};