333068bb_Structure_BITMAPINFOHEADER__2
 [2] 
Value Importance BI_RGB Standard Windows bitmap; not compressed. BI_RLE4 RLE (Run Length Encoded) 4bpp (16 color) image. See the following section on bitmap compression formats for more information. BI_RLE8 RLE (Run Length Encoded) 8bpp (256 color) image. See the following section on bitmap compression formats for more information.
Structure BITMAPINFOHEADER
2