The MathExpression.Expression can contain as well an expression string as an evaluator expression tree. In case of the latter, a string representation of the tree is returned.
public static string ExpressionString(
this MathExpression expression
)[Missing <param name="expression"/> documentation for "M:DHI.Mike1D.ControlModule.ControlExtensions.ExpressionString(DHI.Math.Expression.MathExpression)"]
[Missing <returns> documentation for "M:DHI.Mike1D.ControlModule.ControlExtensions.ExpressionString(DHI.Math.Expression.MathExpression)"]