TDrawingTextAttributes.Kern Property
Specifies the minimum font size at which character kerning occurs for this text run. Whole points are specified in increments of 100 starting with 100 being a point size of 1. For instance a font point size of 12 would be 1200 and a font point size of 12.5 would be 1250. A null value means to use the parent's settings.
Syntax
Namespace: FlexCel.Core
public Nullable<Int32> Kern { get; }