ClearScript Library
ClearScript Library
ClearScript Library Reference
Microsoft.ClearScript
ScriptEngine Class
ScriptEngine Properties
AccessContext Property
AllowReflection Property
ContinuationCallback Property
Current Property
CustomAttributeLoader Property
DefaultAccess Property
DisableDynamicBinding Property
DisableExtensionMethods Property
DisableFloatNarrowing Property
DisableListIndexTypeRestriction Property
DisableTypeRestriction Property
DocumentSettings Property
EnableAutoHostVariables Property
EnableNullResultWrapping Property
EnforceAnonymousTypeAccess Property
ExposeHostObjectStaticMembers Property
FileNameExtension Property
FormatCode Property
Global Property
HostData Property
Name Property
NullExportValue Property
NullImportValue Property
Script Property
UndefinedImportValue Property
UseReflectionBindFallback Property
VoidResultValue Property

# ScriptEngineUndefinedImportValue Property

Gets or sets the script engine's undefined import value.
Namespace: Microsoft.ClearScript
Assembly: ClearScript.Core (in ClearScript.Core.dll) Version: 7.5.0
Syntax
C#
VB
C++
F#
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    public Object UndefinedImportValue { get; set; }

    Public Property UndefinedImportValue As Object
    	Get
    	Set

    public:
    virtual property Object^ UndefinedImportValue {
    	Object^ get () sealed;
    	void set (Object^ value) sealed;
    }

    abstract UndefinedImportValue : Object with get, set
    override UndefinedImportValue : Object with get, set

#### Property Value

Object

#### Implements

IScriptEngineUndefinedImportValue
Remarks
Some script languages support one or more special non-null values that represent nonexistent, missing, unknown, or undefined data. When such a value is marshaled to the host, the script engine maps it to the value of this property. The default value is Undefined.Value.
See Also

#### Reference

ScriptEngine Class
Microsoft.ClearScript Namespace

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