how convert VB6 to VB2010 code?

[PlausiblyDamp]

ok... creating DIB's:

Public Sub NewImage(ByVal ImageWidth As Integer, ByVal ImageHeight As Integer)


        bmpInfoHeader.biSize = CUInt(Marshal.SizeOf(bmpInfoHeader))
        bmpInfoHeader.biWidth = ImageWidth
        bmpInfoHeader.biHeight = ImageHeight
        bmpInfoHeader.biPlanes = 1
        bmpInfoHeader.biBitCount = 32
        bmpInfoHeader.biCompression = BI_RGB
        Width = ImageWidth
        Height = ImageHeight

        hdc = CreateCompatibleDC(IntPtr.Zero)
        pbmi = Marshal.AllocHGlobal(Marshal.SizeOf(bmpInfoHeader))
        Marshal.StructureToPtr(bmpInfoHeader, pbmi, False)

        If hdc = IntPtr.Zero Then Debug.Print("error")
        hBitmap = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, lpvBits, IntPtr.Zero, 0)

        oldBitmap = SelectObject(hdc, hBitmap)

        g = Graphics.FromHdc(hdc)
        g.Clear(Color.FromArgb(255, 255, 255, 255))
        g.DrawLine(New Pen(Brushes.Red, 2), New Point(0, 50), New Point(20, 50))

to be honest these code is working normaly.. the line is drawed too...
now i'm trying getting the array pixels and changing directly on memory:

With tSA
            .Initialize()
            .fFeatures = FADF_FIXEDSIZE Or FADF_AUTO
            .cbElements = 4
            .cDims = 1
            .Bounds(0).lLbound = 0 'erro
            .Bounds(0).cElements = bmpInfoHeader.biHeight * bmpInfoHeader.biWidth
            .pvData = pbmi
        End With
        
        'CopyMemory(VarPtrArray(bDib), VarPtr(tSA), 4)
        'CopyMemory(VarPtrArray(bDibBGRA), VarPtr(tSA), 4)
        Marshal.Copy(tSA, bDib, 0, 4)
        Marshal.Copy(tSA, bDibBGRA, 0, 4)

i even tryied use 'Marshal.Copy()' but i get several errors

If you are trying to create a bitmap and then draw on it you can get a graphics object with something like

Dim bmp As New Bitmap(100, 100, PixelFormat.Format32bppRgb)

Dim g = Graphics.FromImage(bmp)

and avoid all the interop stuff.

What is the end result of what you want your code to do? Is I t just create and draw on a bitmap, or something more?