//判斷最後一節是否需要擴大
DWORD NeedLastSectionEnlargeSize(PIMAGE_SECTION_HEADER pLastSectionInfo, int ShellSize)
{
int gapsize;
gapsize = GetSectionGapSize( pLastSectionInfo);
if ( gapsize >= ShellSize )
return 0;
else
return ShellSize - gapsize;
}