In win 32 application now I am able to do drag and drop but bitmap data not coming any help would be appriociated

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C++

pITEMDLIST_File = ILCreateFromPath(fName);
					if (!pITEMDLIST_File)
						return 0;

					iResu = SHBindToParent(pITEMDLIST_File, &IID_IShellFolder, (void**)&pFolder, (PCUITEMID_CHILD*)&pFile_list_relative);
					if (iResu != S_OK)
						return 0;

					pArray[0] = pFile_list_relative;
					iResu = IShellFolder_GetUIObjectOf(pFolder, NULL, 1, pArray, riid, NULL, (void**)&pInterfaceResu);
					if (iResu != S_OK)
						return 0;

					IShellFolder_Release(pFolder);

					//return pInterfaceResu;
					pObj = (IDataObject*)pInterfaceResu;
				}

				if (!pObj)
					break;

				pSrc = _CreateDropSource();
				if (!pSrc)
				{
					//IDataObject_Release(pObj);
					break;
				}

				DoDragDrop(pObj, NULL, DROPEFFECT_COPY DROPEFFECT_LINK, &dwEffect);

What I have tried:

Using above code Right now i am able to do drag and drop and but while dragging only plus symbol is coming out of the window but i want mouse data .For example if i iam dragging folder ,folder image suppose to come.can any one help with that

Posted 3-Apr-19 18:52pm

Member 14075717

Updated 22-Apr-19 23:15pm

v5

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KarstenK · Accepted Answer · 2019-04-22T23:16:00

Solution 1

You are on the brink of the Drag and Drop operation. Read the DoDragDrop documentation.

You must extract the data object (pObj) the data to work with. Maybe the data isnt properly set in the source.

tip: use some external program (like MS Paint) for simulating bitmap data

Posted 22-Apr-19 23:16pm

KarstenK

Comments

Member 14075717 30-Apr-19 2:07am

Hi karstenk as you said from local machine(explorer) to remote machine(host or my application) i did means i implemented idrop target but i have to do drag and drop a virtual file from host(my application ) to local machine(explorer).I think we have to implement the i data object. i want to know the way to implement idataobject can you give me mechanism or any idea? tahnk you