Debugging Dll

Sivaraman Dhamodharan

Write a exe program that uses your COM. 2) Launch the exe. 3) Open your COM Project is Visual Studio 4) Attach the already running exe with the Project. 5) Keep the break points and start debugging it.

sarfaraznawaz

see am not able to understand the 4th step. attach in the sense by changing the configuration properties in that debugging and then command and passing the path of the exe. if this the way then its control not coming to break point or i may be wrong to the exe .... Best Regards Sarfaraz

Lost User

You can debug your code by loading the DLL directly into your application rather than using it in registered mode: see the CoLoadLibrary function[^].

sarfaraznawaz

hi ,thanks ... one more thing i want to ask how to register the dll . am getting the error message that DLL has loaded but entry point DllRegisterserver was not found ... but am wtritten the code for it

AFX_MANAGE_STATE(AfxGetStaticModuleState( ));

HRESULT hr = RegisterServer (AfxGetInstanceHandle(),   // handle to dll module
                             CLSID\_CCmpnt,	      // component CLSID
			     g\_szFriendlyName,	      // friendly name
			     g\_szVerIndProgID,	      // version independent prog id
			     g\_szVerDndProgID);		// version dependent prog id



return hr;

its in a function name STDAPI DllRegisterServer(void) the control not coming in this function what might be cause please reply Best Regards Sarfaraz

Lost User

I don't see any declaration of DllRegisterServer()[^] in the above.

sarfaraznawaz

STDAPI DllRegisterServer(void) this i used in this only i written the code

Lost User

Used where? Please show the actual declaration. Also make sure that you are exporting this correctly in your build.

sarfaraznawaz

hi thanks again now its getting register. i was not exporting correctly .. The dll i wrote for the context menu this is done in 32 bit machine but in 64 bit machine the context menu is not coming ... what might be the problem

Lost User

sarfaraznawaz wrote:

the context menu is not coming ...
what might be the problem

Any one of a million things. As I just said to someone else in these forums, you need to give specific details, don't expect people to be able to guess what is happening in your code.

sarfaraznawaz

ok sorry .. the code i build in 32 bit its success but when i configure the VS 2010 for 64 bit the error message con not instantiate the HRESULT IContextMenu::GetCommandString(UINT_PTR,UINT,UINT *,LPSTR,UINT)' : is abstract see declaration of 'IContextMenu::GetCommandString' why this conflict

Lost User

No idea, once again there is not enough information for me to guess.

sarfaraznawaz

In DLL i have written the code for Context menu in vs2010 using COM i derived the class CRsEraser : public IContextMenu, public IShellExtInit this IShellExtInit and IContextMenu is are com class when use it HRESULT __stdcall CCmpntFactory::CreateInstance (IUnknown *pUnknownOuter, const IID& iid, void** ppv) { if(pUnknownOuter != NULL) return CLASS_E_NOAGGREGATION; CRsEraser *pCmpnt = new CRsEraser; if (pCmpnt == NULL) return E_OUTOFMEMORY; HRESULT hr = pCmpnt->QueryInterface (iid, ppv); ////////////////////////////////////////////////////////////////////////// // Release the IUnknown pointer pCmpnt->Release (); return hr; } CRsEraser *pCmpnt = new CRsEraser;this part showing its abstract class . in 32 bit compile its working fine same when configure to 64 bit its throwing the error what i have mention earlier . how i configure: 1 Open your Visual C++ Solution 2 Choose Build->Configuration Manager menu 3 Inside the Configuration Manager window, change the ‘Active solution platform’ to x64. If you don’t have any, you would need to create one by selecting the ‘New..’ drop down item. Copy settings from your Win32 platform. 4 Now rebuild your solution.

sarfaraznawaz

please help me out of this ... dll is getting register in 32 bit machine same code i compile on 64 bit machine but failing to register