Help with code conversion to VB

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C#

VB

Hi guys quick help with some code conversion if you please, developerfusion can't quite handle it.

[StructLayout(LayoutKind.Explicit)]
public struct Color32
{
    // Fields
    [FieldOffset(3)]
    public byte Alpha;
    [FieldOffset(0)]
    public int ARGB;
    [FieldOffset(0)]
    public byte Blue;
    [FieldOffset(1)]
    public byte Green;
    [FieldOffset(2)]
    public byte Red;

    // Methods
    public Color32(IntPtr pSourcePixel)
    {
       this = (Quantizer.Color32)Marshal.PtrToStructure(pSourcePixel, typeof(Quantizer.Color32));
    }

    // Properties
    public Color Color
    {
        get
        {
            return Color.FromArgb(this.Alpha, this.Red, this.Green, this.Blue);
        }
    }
}

It's the public Color32 bit I can't fathom.

Also

pSourcePixel = (IntPtr)(((long)pSourcePixel) + this._pixelSize);

Where localvariable pSourcePixel is type IntPtr is giving me grief, I'm getting the error:

Value of type 'Long' cannot be converted to 'System.IntPtr'

I'm messing about with a conversion of the OctreeQuantizer I'll understand what is going on inside it more if it's in VB (I know..... I'm trying to learn C# :sigh: )

Many thanks.

***********Update*******************************

Sorry, should have been more specific with the question.

' Methods
Public Sub New(ByVal pSourcePixel As IntPtr)
    Me = DirectCast(Marshal.PtrToStructure(pSourcePixel, GetType(Quantizer.Color32)), Quantizer.Color32)
End Sub

Cannot be used since, 'Me' cannot be the target of an assignment.