ArcObjects Library Reference (Display)

IColorRamp Interface

Provides access to the methods and properties common to all color ramp objects.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Description

IColorRamp maintains information about the way equal steps are derived between two or more colors, or how to randomly or sequentially derived colors from a list of predefined colors, or from the color gamut. The IColorRamp interface provides the basic functions for all color ramps in ArcMap.

Members

		Description
	Color	The color at the given index position. Call CreateRamp before calling this method.
	Colors	The list of colors. Call CreateRamp before calling this method.
	CreateRamp	Generates a color ramp with length determined by Size value.
	Name	The name of the color ramp.
	Size	The number of colors that will be generated by the CreateRamp method.

CoClasses that implement IColorRamp

CoClasses and Classes	Description
AlgorithmicColorRamp	Defines an algorithmic color ramp, where ramp is defined by two colors and the algorithm used to traverse the intervening color space between them.
MultiPartColorRamp	Defines a multi part color ramp, where ramp is defined by a list of constituent color ramps.
PresetColorRamp	Defines a preset color ramp, where ramp is defined by a list of exactly 13 manually specified colors.
RandomColorRamp	Defines a random color ramp, where ramp is a list of randomly picked colors.

.NET Samples

Retrieve a color ramp from the SymbologyControl (Code Files: SymbolForm)