Det går att använda StretchBlt.Sv: Spegelvänd bild i VB?
    
    
Exempel:
    Option Explicit
    
    Private Declare Function StretchBlt Lib "gdi32" (ByVal hdc As Long, _
        ByVal x As Long, _
        ByVal y As Long, _
        ByVal nWidth As Long, _
        ByVal nHeight As Long, _
        ByVal hSrcDC As Long, _
        ByVal xSrc As Long, _
        ByVal ySrc As Long, _
        ByVal nSrcWidth As Long, _
        ByVal nSrcHeight As Long, _
        ByVal dwRop As Long) As Long
    
    Private Sub Command1_Click()
    Dim lReturn As Long
        lReturn = StretchBlt(Picture2.hdc, _
            0&, _
            0&, _
            100, _
            100, _
            Picture1.hdc, _
            100, _
            100, _
            -100, _
            -100, _
            vbSrcCopy)
        Picture2.Refresh
    End Sub
    
    Private Sub Form_Load()
        Picture1.AutoRedraw = True
        Picture2.AutoRedraw = True
    End Sub