本文整理汇总了C#中System.ComponentModel.Composition.Hosting.CompositionContainer.GetExportFactories方法的典型用法代码示例。如果您正苦于以下问题：C# CompositionContainer.GetExportFactories方法的具体用法？C# CompositionContainer.GetExportFactories怎么用？C# CompositionContainer.GetExportFactories使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.ComponentModel.Composition.Hosting.CompositionContainer的用法示例。
在下文中一共展示了CompositionContainer.GetExportFactories方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetExportFactories_With_A_Predicate_Should_Return_Filtered_Results
public void GetExportFactories_With_A_Predicate_Should_Return_Filtered_Results()
{
//Arrange
var catalog = new AggregateCatalog(
new DirectoryCatalog("."),
new AssemblyCatalog(Assembly.GetExecutingAssembly()));
var container = new CompositionContainer(new AssemblyCatalog(Assembly.GetAssembly(typeof(TestMefExtensionHelpers))));
//Act
var myAObjects =
container.GetExportFactories<MyObjectBaseClass, MyMetadataAttribute>(attribute => attribute.Category == "A");
var myBObjects =
container.GetExportFactories<MyObjectBaseClass, MyMetadataAttribute>(attribute => attribute.Category == "B");
var myAObjectWithNameTwo =
container.GetExportFactories<MyObjectBaseClass, MyMetadataAttribute>(attribute => attribute.Category == "A" && attribute.Name == "Two");
//Assert
Assert.Equal(2, myAObjects.Count());
Assert.Equal(1, myBObjects.Count());
Assert.Equal(1, myAObjectWithNameTwo.Count());
//And let's check that we can create a bunch of objects from a factory
Assert.NotNull(myBObjects.First().Create());
Assert.NotNull(myBObjects.First().Create());
Assert.NotNull(myBObjects.First().Create());
Assert.NotNull(myBObjects.First().Create());
//A different change.
}