public ImportPageIconCommand(PageIconViewModel pageIconVM, Stream oldStream, Stream newStream)
{
_pageIconVM = pageIconVM;
_newStream = newStream;
_oldStream = oldStream;
}
public ClearPageIconCommand(PageIconViewModel pageIconVM, Stream oldStream)
{
_pageIconVM = pageIconVM;
if (oldStream != null)
{
_oldStream = new MemoryStream((int)oldStream.Length);
oldStream.Seek(0, SeekOrigin.Begin);
oldStream.CopyTo(_oldStream);
_oldStream.Seek(0, SeekOrigin.Begin);
}
}