Allows to copy content of recycle bin to hardcoded folder

restorebin

#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include <shlobj.h>
#include <shlwapi.h>
#include <propkey.h>

HRESULT BindToCsidl(int csidl, REFIID riid, void **ppv)
{
	HRESULT hr;
	PIDLIST_ABSOLUTE pidl;
	hr = SHGetSpecialFolderLocation(NULL, csidl, &pidl);
	if (SUCCEEDED(hr))
	{
		IShellFolder *psfDesktop;
		hr = SHGetDesktopFolder(&psfDesktop);
		if (SUCCEEDED(hr))
		{
			if (pidl->mkid.cb)
			{
				hr = psfDesktop->BindToObject(pidl, NULL, riid, ppv);
			}
			else
			{
				hr = psfDesktop->QueryInterface(riid, ppv);
			}
			psfDesktop->Release();
		}
		CoTaskMemFree(pidl);
	}
	return hr;
}

HRESULT GetUIObjectOfFile(HWND hwnd, LPCWSTR pszPath, REFIID riid, void **ppv)
{
	*ppv = NULL;
	HRESULT hr;
	LPITEMIDLIST pidl;
	SFGAOF sfgao;
	printf_s("%s",pszPath);
	if (SUCCEEDED(hr = SHParseDisplayName(pszPath, NULL, &pidl, 0, &sfgao)))
	{
		IShellFolder *psf;
		LPCITEMIDLIST pidlChild;
		if (SUCCEEDED(hr = SHBindToParent(pidl, IID_IShellFolder, (void**)&psf, &pidlChild)))
		{
			hr = psf->GetUIObjectOf(hwnd, 1, &pidlChild, riid, NULL, ppv);
			psf->Release();
		}
		CoTaskMemFree(pidl);
	}
	return hr;
}   

void DropOnRestoreFolder(IDataObject *pdto)
{
	IDropTarget *pdt;
	if(SUCCEEDED(GetUIObjectOfFile(NULL, L"C:\\Files", IID_PPV_ARGS(&pdt))))
	{
		POINTL pt = { 0, 0 };
		DWORD dwEffect = DROPEFFECT_MOVE;
		if (SUCCEEDED(pdt->DragEnter(pdto, MK_LBUTTON,
		pt, &dwEffect)))
		{
			dwEffect &= DROPEFFECT_MOVE;
			if (dwEffect)
			{
				pdt->Drop(pdto, MK_LBUTTON, pt, &dwEffect);
			}
			else
			{
				pdt->DragLeave();
			}
		}
		pdt->Release();
	}
}

int __cdecl _tmain(int argc, PTSTR *argv)
{
	HRESULT hr = CoInitialize(NULL);
	if (SUCCEEDED(hr))
	{
		IShellFolder2 *psfRecycleBin;
		hr = BindToCsidl(CSIDL_BITBUCKET, IID_PPV_ARGS(&psfRecycleBin));
		if (SUCCEEDED(hr))
		{
			IEnumIDList *peidl;
			hr = psfRecycleBin->EnumObjects(NULL,
			SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, &peidl);
			if (hr == S_OK)
			{
				PITEMID_CHILD rgpidlItems[100];
				UINT cpidlItems = 0;
				PITEMID_CHILD pidlItem;
				while (peidl->Next(1, &pidlItem, NULL) == S_OK)
				{
					if (cpidlItems < ARRAYSIZE(rgpidlItems))
					{
						rgpidlItems[cpidlItems++] = pidlItem;
					}
					else
					{
						CoTaskMemFree(pidlItem);
					}
				}
				if (cpidlItems)
				{
					IDataObject *pdto;
					hr = psfRecycleBin->GetUIObjectOf(NULL, cpidlItems, (PCUITEMID_CHILD_ARRAY)rgpidlItems, IID_IDataObject, NULL, (void**)&pdto);
					if (SUCCEEDED(hr))
					{
						DropOnRestoreFolder(pdto);
						pdto->Release();
					}
					for (UINT i = 0; i < cpidlItems; i++)
					{
						CoTaskMemFree(rgpidlItems[i]);
					}
				}
			}
			psfRecycleBin->Release();
		}
		CoUninitialize();
	}
	return 0;
}