System.Reflection.ParameterInfo.IsOptional Property

Gets a value indicating whether this parameter is optional.

Syntax

public bool IsOptional { get; }

Value

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Remarks

This method depends on an optional metadata flag. This flag can be inserted by compilers, but the compilers are not obligated to do so.

This method utilizes the Optional flag of the ParameterAttributes enumerator.

To get the System.Reflection.ParameterInfo array, first get the method and then call MethodBase.GetParameters.

Requirements

Namespace: System.Reflection
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0, 4.0.0.0