ClassExpressionExtensions
Extension methods for RadExpression that provide convenient value extraction, type conversion, and validation operations for use throughout formula evaluation.
Definition
Namespace:Telerik.Windows.Documents.Spreadsheet.Expressions
Assembly:Telerik.Windows.Documents.Spreadsheet.dll
Syntax:
public static class ExpressionExtensionsInheritance: objectExpressionExtensions
Methods
GetValueAsConstantExpression(RadExpression)
Evaluates the expression and returns its value as a constant, extracting the first element if the result is an array.
Declaration
public static ConstantExpression GetValueAsConstantExpression(this RadExpression expression)Parameters
expression
The expression.
Returns
The ConstantExpression result.
IntegerValue(RadExpression)
Extracts the integer value from a numeric expression, throwing an exception if the expression is not a NumberExpression.
Declaration
public static int IntegerValue(this RadExpression expression)Parameters
expression
The expression.
Returns
The value as integer.
Exceptions
Thrown when expression is not NumberExpression.
IsValidFunctionOrCellReferenceNamePart(char)
Tests whether a character is valid within a function name or cell reference during formula parsing.
NumberValue(RadExpression)
Extracts the numeric value from an expression, returning 0 if the expression is not a NumberExpression.
Declaration
public static double NumberValue(this RadExpression expression)Parameters
expression
The expression.
Returns
The number value as double. If the expression is not NumberExpression returns 0.
ToBooleanExpression(bool)
Converts a Boolean value to the corresponding BooleanExpression singleton (True or False).
Declaration
public static BooleanExpression ToBooleanExpression(this bool value)Parameters
value
The value.
Returns
The result as BooleanExpression.
ToCellRange(CellReferenceRange)
Converts a CellReferenceRange to the equivalent CellRange with resolved row and column indexes.
Declaration
public static CellRange ToCellRange(this CellReferenceRange cellReferenceRange)Parameters
cellReferenceRange
The cell reference range.
Returns
The cell range.