#ifndef _COMMON_DRAGQUERYFILE_HPP_
#define _COMMON_DRAGQUERYFILE_HPP_
#ifndef _COMMON_WINDOWS_HPP_
#include <common/windows.hpp>
#endif
#ifndef _COMMON_STRING_HPP_
#include <common/string.hpp>
#endif
#ifndef _COMMON_BLOCK_HPP_
#include <common/block.hpp>
#endif

class DragQueryFile
{
public:
  static bool getFileNames(HDROP hDrop,Block<String> &strFileNames);
private:
};

inline
bool DragQueryFile::getFileNames(HDROP hDrop,Block<String> &strFileNames)
{
	String strBuffer;
	UINT numFiles;

   strFileNames.remove();
	strBuffer.reserve(512);
  if(0==hDrop)return false;
	numFiles=::DragQueryFile(hDrop,0xFFFFFFFF,0,0);
	if(!numFiles)return false;
	for(int index=0;index<numFiles;index++)
	{
	  ::DragQueryFile(hDrop,index,strBuffer,512);
		strFileNames.insert(&strBuffer);
	}
	return strFileNames.size()?true:false;
}
#endif