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ResourceQualifierVectorView class

Applies to Windows and Windows Phone

An unchangeable view into a vector of ResourceQualifier objects.


var resourceQualifierVectorView = resourceCandidate.qualifiers();




The ResourceQualifierVectorView class has these types of members:


The ResourceQualifierVectorView class has these methods. With C#, Visual Basic, and C++, it also inherits methods from the Object class.

First [C++, JavaScript]Returns an iterator to enumerate the items in the view.
GetAt [C++, JavaScript]Returns the ResourceQualifier at the specified index in the view.
GetMany [C++, JavaScript]Returns the ResourceQualifier objects that start at the specified index in the view.
IndexOf [C++, JavaScript]Returns the index of a specified ResourceQualifier in the view.



The ResourceQualifierVectorView class has these properties.

PropertyAccess typeDescription

Count [C#, VB]

Read-onlyGets the number of elements contained in the collection.

Item [C#, VB]

Read-onlyGets or sets the element at the specified index.

Size [C++, JavaScript]

Read-onlyGets the number of ResourceQualifier objects in the view.



Collection member lists

For JavaScript, ResourceQualifierVectorView has the members shown in the member lists. In addition, ResourceQualifierVectorView supports a length property, members of Array.prototype, and using an index to access items.

Enumerating the collection in C# or Microsoft Visual Basic

A ResourceQualifierVectorView is enumerable, so you can use language-specific syntax such as foreach in C# to enumerate the items in the collection. The compiler does the type-casting for you and you won't need to cast to IEnumerable<ResourceQualifier> explicitly. If you do need to cast explicitly, for example if you want to call GetEnumerator, cast to IEnumerable<T> with a ResourceQualifier constraint.


This example is based on scenario 13 of the Application resources and localization sample. See the sample for the more complete solution.

// Create a ResourceContext.
var resourceContext = new Windows.ApplicationModel.Resources.Core.ResourceContext();

// Set the specific context for lookup of resources.
var qualifierValues = resourceContext.qualifierValues;
qualifierValues["language"] = "en-US";
qualifierValues["contrast"] = "standard";
qualifierValues["scale"] = "140";
qualifierValues["homeregion"] = "021"; // Northern America

// Resources actually reside within Scenario13 Resource Map.
var resourceIds = [

var output = { str: "" };
resourceIds.forEach(function (resourceId) {
    renderNamedResource(resourceId, resourceContext, output);

function renderNamedResource(resourceId, resourceContext, output) {
    output.str += "Resource ID " + resourceId + ":\n";
    // Lookup the resource in the mainResourceMap (the one for this package).
    var namedResource = Windows.ApplicationModel.Resources.Core.ResourceManager.current.mainResourceMap.lookup(resourceId);

    // Return a ResourceCandidateVectorView of all possible resources candidates
    // resolved against the context in order of appropriateness.
    var resourceCandidates = namedResource.resolveAll(resourceContext);

    resourceCandidates.forEach(function (candidate, index) {
        renderCandidate(candidate, index, output);
    output.str += "\n";

function renderCandidate(candidate, index, output) {
    // Get all the various qualifiers for the candidate (such as language, scale, contrast).
    candidate.qualifiers.forEach(function (qualifier) {
        output.str += "qualifierName: " + qualifier.qualifierName + "\n";
        output.str += "qualifierValue: " + qualifier.qualifierValue + "\n";
        output.str += "isDefault: ";
        output.str += (qualifier.isDefault) ? "true\n" : "false\n";
        output.str += "isMatch: ";
        output.str += (qualifier.isMatch) ? "true\n" : "false\n";
        output.str += "score: " + qualifier.score + "\n";
        output.str += "\n";


Minimum supported client

Windows 8 [Windows Store apps only]

Minimum supported server

Windows Server 2012 [Windows Store apps only]

Minimum supported phone

Windows Phone 8.1 [Windows Runtime apps only]


Windows::ApplicationModel::Resources::Core [C++]



See also

Application resources and localization sample



© 2015 Microsoft