ResourceCandidateVectorView 类

定义

命名空间:

Windows.ApplicationModel.Resources.Core

表示 ResourceCandidate 对象的集合。

public ref class ResourceCandidateVectorView sealed : IIterable<ResourceCandidate ^>, IVectorView<ResourceCandidate ^>

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
class ResourceCandidateVectorView final : IIterable<ResourceCandidate>, IVectorView<ResourceCandidate>

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
public sealed class ResourceCandidateVectorView : IEnumerable<ResourceCandidate>, IReadOnlyList<ResourceCandidate>

Public NotInheritable Class ResourceCandidateVectorView
Implements IEnumerable(Of ResourceCandidate), IReadOnlyList(Of ResourceCandidate)

继承

Object Platform::Object IInspectable ResourceCandidateVectorView

属性

ContractVersionAttribute MarshalingBehaviorAttribute

实现

IIterable<T> IEnumerable<T> IIterable<ResourceCandidate> IEnumerable<ResourceCandidate> IVectorView<ResourceCandidate> IReadOnlyList<ResourceCandidate>

Windows 要求

设备系列	Windows 10 (在 10.0.10240.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v1.0 中引入)

示例

此示例基于 应用程序资源和本地化示例的方案 10。 有关完整解决方案，请参阅示例。

private void Scenario10Button_Show_Click(object sender, RoutedEventArgs e)
{
    Button b = sender as Button;
    if (b != null)
    {
        // Use a cloned context for this scenario so that qualifier values set
        // in this scenario don't impact behavior in other scenarios that
        // use a default context for the view (crossover effects between
        // the scenarios will not be expected).
        var context = ResourceContext.GetForCurrentView().Clone();

        var selectedLanguage = Scenario10ComboBox_Language.SelectedValue;
        var selectedScale = Scenario10ComboBox_Scale.SelectedValue;
        var selectedContrast = Scenario10ComboBox_Contrast.SelectedValue;
        var selectedHomeRegion = Scenario10ComboBox_HomeRegion.SelectedValue;

        if (selectedLanguage != null)
        {
            context.QualifierValues["language"] = selectedLanguage.ToString();
        }
        if (selectedScale != null)
        {
            context.QualifierValues["scale"] = selectedScale.ToString();
        }
        if (selectedContrast != null)
        {
            context.QualifierValues["contrast"] = selectedContrast.ToString();
        }
        if (selectedHomeRegion != null)
        {
            context.QualifierValues["homeregion"] = selectedHomeRegion.ToString();
        }
        Scenario10_SearchMultipleResourceIds(context, new string[] { "LanguageOnly", "ScaleOnly", "ContrastOnly", "HomeRegionOnly", "MultiDimensional" });
    }
}

void Scenario10_SearchMultipleResourceIds(ResourceContext context, string[] resourceIds)
{
    this.Scenario10TextBlock.Text = "";
    var dimensionMap = ResourceManager.Current.MainResourceMap.GetSubtree("dimensions");

    foreach (var id in resourceIds)
    {
        NamedResource namedResource;
        if (dimensionMap.TryGetValue(id, out namedResource))
        {
            var resourceCandidates = namedResource.ResolveAll(context);
            Scenario10_ShowCandidates(id, resourceCandidates);
        }
    }
}

void Scenario10_ShowCandidates(string resourceId, IReadOnlyList<ResourceCandidate> resourceCandidates)
{
    // Print 'resourceId', 'found value', 'qualifer info', 'matching condition'
    string outText = "resourceId: dimensions\\" + resourceId + "\r\n";
    int i = 0;
    foreach (var candidate in resourceCandidates)
    {
        var value = candidate.ValueAsString;
        outText += "    Candidate " + i.ToString() + ":" + value + "\r\n";
        int j = 0;
        foreach (var qualifier in candidate.Qualifiers)
        {
            var qualifierName = qualifier.QualifierName;
            var qualifierValue = qualifier.QualifierValue;
            outText += "        Qualifer: " + qualifierName + ": " + qualifierValue + "\r\n";
            outText += "        Matching: IsMatch (" + qualifier.IsMatch.ToString() + ")  " + "IsDefault (" + qualifier.IsDefault.ToString() + ")" + "\r\n";
            j++;
        }
        i++;
    }

    this.Scenario10TextBlock.Text += outText + "\r\n";
}

注解

枚举 C# 或 Microsoft Visual Basic 中的集合

ResourceCandidateVectorView 是可枚举的，因此可以使用特定于语言的语法（如 C# 中的 foreach ）枚举集合中的项。 编译器为你执行类型强制转换，你无需显式强制转换为 IEnumerable<ResourceCandidate> 。 如果需要显式强制转换（例如，如果要调用 GetEnumerator），请使用 ResourceCandidate 约束强制转换为 IEnumerable<T>。

属性

Size	获取集中 的 ResourceCandidate 对象数。

方法

First()	返回一个迭代器，用于枚举 ResourceCandidate 对象集中的项。
GetAt(UInt32)	返回集中指定索引处的 ResourceCandidate 。
GetMany(UInt32, ResourceCandidate[])	返回从集中的指定索引处开始的 ResourceCandidate 对象。
IndexOf(ResourceCandidate, UInt32)	获取集中指定 ResourceCandidate 的索引。

另请参阅

• 应用程序资源和本地化示例