![](dotnetdiagramimages/GrapeCity_Silverlight_CalcEngine_GrapeCity_CalcEngine_Expressions_CalcBooleanExpression.png)
'Declaration Public Class CalcBooleanExpression Inherits CalcConstantExpression
'Usage Dim instance As CalcBooleanExpression
public class CalcBooleanExpression : CalcConstantExpression
System.Object
GrapeCity.CalcEngine.Expressions.CalcExpression
GrapeCity.CalcEngine.Expressions.CalcConstantExpression
GrapeCity.CalcEngine.Expressions.CalcBooleanExpression