Visual Basic
BMP - Class to manually create a BMP
CopyBits - Copy an hDC to and from an array.
HSVtoRGB - Convert RGB to and from HSV.
LinesIntersect - Determine the point that two lines intersect at.
MixPictures - Merge two PictureBoxes
PathToRegion - Demos creating a region out of text
PointsToAngle - Calculates the angle of two points.
RegionData - Shows how to get or set data from a region.
RotatePicture - Rotates part of an hDC.
WebSafeColor - Convert a color to the closest web safe color.