ArcObjects Library Reference (Carto)  

ITransparencyRenderer Interface

Provides access to members that control the drawing of features with varying transparency, where transparency is determined by feature values.

Product Availability

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

Members

Description
Read/write property TransparencyField Transparency field.

CoClasses that implement ITransparencyRenderer

CoClasses and Classes Description
SimpleRenderer A simple renderer where the same symbol is drawn for each feature.
UniqueValueRenderer A unique values renderer where symbols are assigned to features based on an unique attribute values.
UniqueValueTextRenderer (esriTrackingAnalyst) This is a feature renderer that supports rendering points using values from a field in the feature class.

Remarks

ITransparencyRenderer is only applicable for layers that are based on polygon feature classes and is only supported by some feature renderers. The transparency of each feature varies based on the value of TransparencyField for each feature. Field values should range between 0 and 100 where 0 represents 0% transparent (fully opaque) and 100 represents 100% transparent.