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IsLogical

Class

Tests whether a value is a boolean (TRUE or FALSE) and returns TRUE for logical values, FALSE otherwise.

Definition

Assembly:Telerik.Windows.Documents.Spreadsheet.dll

Syntax:

public class IsLogical : FunctionBase

Inheritance: objectFunctionBaseIsLogical

Initializes a new ISLOGICAL function instance for testing whether values are booleans.

public IsLogical()

The name of the function.

public static readonly string FunctionName

Evaluates the function and returns TRUE if the argument is a boolean expression, FALSE otherwise.

protected override RadExpression EvaluateOverride(FunctionEvaluationContext<RadExpression> context)

The context.

Returns:

Function result as RadExpression.

Gets metadata describing the function's category, parameters, and localization keys.

public override FunctionInfo FunctionInfo { get; }

Property Value:

The function info as FunctionInfo.

Gets the function name identifier used in formulas.

public override string Name { get; }

Property Value:

The name as String.