Initial

guitar/DragQueryFile.hpp

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+#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
+