Dim Rs As cRecordset
    Dim pb As PropertyBag
    Dim ImgBytes() As Byte
    
    On Error GoTo ErrLoad
                
    'Me.Width = 15150
    
    Set Rs = Cnn.OpenRecordset("Select * From Images Where ImgName='" & ImgName & "'")
    
    If Rs.RecordCount Then
        ImgBytes = Rs!ImgBytes  '<----- что означает эта выражение?
        
        Set pb = New PropertyBag
        pb.Contents = ImgBytes
        Set Picture2.Picture = pb.ReadProperty("Picture")
    End If

ImgBytes = Rs!ImgBytes