C# Definition:

enum BitmapCompressionMode : uint {
   BI_RGB = 0,
   BI_RLE8 = 1,
   BI_RLE4 = 2,
   BI_BITFIELDS = 3,
   BI_JPEG = 4,
   BI_PNG = 5
}

VB Definition:

Enum BitmapCompressionMode As UInteger
    BI_RGB
    BI_RLE8
    BI_RLE4
    BI_BITFIELDS
    BI_JPEG
    BI_PNG
End Enum

Notes:

None.