Function GetDroppedFiles

Src/DropHandler.cpp:42–65

	//

	std::vector<String> GetDroppedFiles(HDROP dropInfo)
	{
		std::vector<String> files;
		// Get the number of pathnames that have been dropped
		UINT wNumFilesDropped = DragQueryFile(dropInfo, 0xFFFFFFFF, nullptr, 0);

		// get all file names. but we'll only need the first one.
		files.reserve(wNumFilesDropped);
		for (UINT x = 0; x < wNumFilesDropped; x++)
		{
			// Get the number of bytes required by the file's full pathname
			UINT wPathnameSize = DragQueryFile(dropInfo, x, nullptr, 0);

			// Allocate memory to contain full pathname & zero byte
			wPathnameSize += 1;
			auto npszFile = std::make_unique<tchar_t[]>(wPathnameSize);

			// Copy the pathname into the buffer
			DragQueryFile(dropInfo, x, npszFile.get(), wPathnameSize);

			files.push_back(npszFile.get());
		}
		return files;
	}

	std::vector<String> FilterFiles(const std::vector<String>& files_src)
	{