改变文件属性

void __declspec(dllexport)MkFileAtter(AnsiString FileName)

{

int Attrs=FileGetAttr(FileName);

if(Attrs & !faHidden)

FileSetAttr(FileName,Attrs & faHidden);

if(Attrs & !faReadOnly)

FileSetAttr(FileName,Attrs & faReadOnly);

}