Type.GetInterface 方法

定义

命名空间:: System

程序集:: netstandard.dll, System.Runtime.dll

程序集:: System.Runtime.dll

程序集:: mscorlib.dll

程序集:: netstandard.dll

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

获取由当前 Type实现或继承的特定接口。

重载

名称	说明
GetInterface(String)	搜索具有指定名称的接口。
GetInterface(String, Boolean)	在派生类中重写时，搜索指定的接口，指定是否对接口名称执行不区分大小写的搜索。

GetInterface(String)

Source:: Type.cs

Source:: Type.cs

Source:: Type.cs

Source:: Type.cs

Source:: Type.cs

搜索具有指定名称的接口。

public:
 Type ^ GetInterface(System::String ^ name);

public:
 virtual Type ^ GetInterface(System::String ^ name);

[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.Interfaces)]
public Type? GetInterface(string name);

public Type? GetInterface(string name);

public Type GetInterface(string name);

[<System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.Interfaces)>]
member this.GetInterface : string -> Type

member this.GetInterface : string -> Type

abstract member GetInterface : string -> Type
override this.GetInterface : string -> Type

Public Function GetInterface (name As String) As Type

参数

name: String

包含要获取的接口名称的字符串。对于泛型接口，这是管理的名称。

Type

一个对象，表示具有指定名称的接口，如果找到，则由当前 Type实现或继承;否则为 null。

实现

GetInterface(String)

属性: DynamicallyAccessedMembersAttribute

例外

ArgumentNullException

name 是 null。

AmbiguousMatchException

当前 Type 表示使用不同类型参数实现同一泛型接口的类型。

示例

下面的代码示例使用 GetInterface(String) 该方法搜索 Hashtable 接口的 IDeserializationCallback 类，并列出接口的方法。

该代码示例还演示 GetInterface(String, Boolean) 了方法重载和 GetInterfaceMap 方法。

public static void Main()
{
    Hashtable hashtableObj = new Hashtable();
    Type objType = hashtableObj.GetType();
    MethodInfo[] arrayMethodInfo;
    MemberInfo[] arrayMemberInfo;
    try
    {
        // Get the methods implemented in 'IDeserializationCallback' interface.
        arrayMethodInfo =objType.GetInterface("IDeserializationCallback").GetMethods();
        Console.WriteLine ("\nMethods of 'IDeserializationCallback' Interface :");
        foreach(MethodInfo methodInfo in arrayMethodInfo)
            Console.WriteLine (methodInfo);

        // Get FullName for interface by using Ignore case search.
        Console.WriteLine ("\nMethods of 'IEnumerable' Interface");
        arrayMethodInfo = objType.GetInterface("ienumerable",true).GetMethods();
        foreach(MethodInfo methodInfo in arrayMethodInfo)
           Console.WriteLine (methodInfo);

        //Get the Interface methods for 'IDictionary' interface
        InterfaceMapping interfaceMappingOb = objType.GetInterfaceMap(typeof(IDictionary));
        arrayMemberInfo = interfaceMappingObj.InterfaceMethods;
        Console.WriteLine ("\nHashtable class Implements the following IDictionary Interface methods :");
        foreach(MemberInfo memberInfo in arrayMemberInfo)
           Console.WriteLine (memberInfo);
    }
    catch (Exception e)
    {
        Console.WriteLine ("Exception : " + e.ToString());
    }
}

let hashtableObj = Hashtable()
let objType = hashtableObj.GetType()
try
    // Get the methods implemented in 'IDeserializationCallback' interface.
    let arrayMethodInfo = objType.GetInterface("IDeserializationCallback").GetMethods()
    printfn "\nMethods of 'IDeserializationCallback' Interface :"
    for methodInfo in arrayMethodInfo do
        printfn $"{methodInfo}"

    // Get FullName for interface by using Ignore case search.
    printfn "\nMethods of 'IEnumerable' Interface"
    let arrayMethodInfo = objType.GetInterface("ienumerable",true).GetMethods()
    for methodInfo in arrayMethodInfo do
        printfn $"{methodInfo}"

    //Get the Interface methods for 'IDictionary' interface
    let interfaceMappingObj = objType.GetInterfaceMap typeof<IDictionary>
    let arrayMemberInfo = interfaceMappingObj.InterfaceMethods
    printfn "\nHashtable class Implements the following IDictionary Interface methods :"
    for memberInfo in arrayMemberInfo do
        printfn $"{memberInfo}"
with e ->
    printfn $"Exception : {e}"

   Public Shared Sub Main()
      Dim hashtableObj As New Hashtable()
      Dim objType As Type = hashtableObj.GetType()
      Dim arrayMemberInfo() As MemberInfo
      Dim arrayMethodInfo() As MethodInfo
      Try
         ' Get the methods implemented in 'IDeserializationCallback' interface.
         arrayMethodInfo = objType.GetInterface("IDeserializationCallback").GetMethods()
         Console.WriteLine(ControlChars.Cr + "Methods of 'IDeserializationCallback' Interface :")
         Dim index As Integer
         For index = 0 To arrayMethodInfo.Length - 1
            Console.WriteLine(arrayMethodInfo(index).ToString())
         Next index
         ' Get FullName for interface by using Ignore case search.
         Console.WriteLine(ControlChars.Cr + "Methods of 'IEnumerable' Interface")
         arrayMethodInfo = objType.GetInterface("ienumerable", True).GetMethods()
         For index = 0 To arrayMethodInfo.Length - 1
            Console.WriteLine(arrayMethodInfo(index).ToString())
         Next index
         'Get the Interface methods for 'IDictionary' interface
         Dim interfaceMappingObj As InterfaceMapping
         interfaceMappingObj = objType.GetInterfaceMap(GetType(IDictionary))
         arrayMemberInfo = interfaceMappingObj.InterfaceMethods
         Console.WriteLine(ControlChars.Cr + "Hashtable class Implements the following IDictionary Interface methods :")
         For index = 0 To arrayMemberInfo.Length - 1
            Console.WriteLine(arrayMemberInfo(index).ToString())
         Next index
      Catch e As Exception
         Console.WriteLine(("Exception : " + e.ToString()))
      End Try
   End Sub
End Class

注解

搜索 name 区分大小写。

如果当前 Type 表示已构造的泛型类型，则此方法返回的 Type 中，类型参数已被相应的类型实参替换。

如果当前 Type 表示泛型类型或泛型方法定义中的类型参数，此方法将搜索接口约束以及从类或接口约束继承的任何接口。

注释

对于泛型接口，参数 name 是混乱的名称，以重音（'）和类型参数数结尾。这适用于泛型接口定义和构造的泛型接口。例如，若要在 Visual Basic 中查找 IExample<T> （IExample(Of T)）或 IExample<string> （Visual Basic 中的 IExample(Of String)），请搜索 "IExample`1"。

另请参阅

适用于

GetInterface(String, Boolean)

Source:: Type.cs

Source:: Type.cs

Source:: Type.cs

Source:: Type.cs

Source:: Type.cs

在派生类中重写时，搜索指定的接口，指定是否对接口名称执行不区分大小写的搜索。

public:
 abstract Type ^ GetInterface(System::String ^ name, bool ignoreCase);

[System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.Interfaces)]
public abstract Type? GetInterface(string name, bool ignoreCase);

public abstract Type? GetInterface(string name, bool ignoreCase);

public abstract Type GetInterface(string name, bool ignoreCase);

[<System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(System.Diagnostics.CodeAnalysis.DynamicallyAccessedMemberTypes.Interfaces)>]
abstract member GetInterface : string * bool -> Type

abstract member GetInterface : string * bool -> Type

Public MustOverride Function GetInterface (name As String, ignoreCase As Boolean) As Type

参数

name: String

包含要获取的接口名称的字符串。对于泛型接口，这是管理的名称。

ignoreCase: Boolean

true 如果忽略该部分 name 的事例，则指定简单接口名称（指定命名空间的部件必须正确大小写）。

-或-

false ，对所有部分 name执行区分大小写的搜索。

Type

一个对象，表示具有指定名称的接口，如果找到，则由当前 Type实现或继承;否则为 null。

实现

GetInterface(String, Boolean)

属性: DynamicallyAccessedMembersAttribute

例外

ArgumentNullException

name 是 null。

AmbiguousMatchException

当前 Type 表示使用不同类型参数实现同一泛型接口的类型。

示例

下面的代码示例使用 GetInterface(String, Boolean) 该方法对接口的 Hashtable 类 IEnumerable 执行不区分大小写的搜索。

该代码示例还演示 GetInterface(String) 了方法重载和 GetInterfaceMap 方法。

public static void Main()
{
    Hashtable hashtableObj = new Hashtable();
    Type objType = hashtableObj.GetType();
    MethodInfo[] arrayMethodInfo;
    MemberInfo[] arrayMemberInfo;
    try
    {
        // Get the methods implemented in 'IDeserializationCallback' interface.
        arrayMethodInfo =objType.GetInterface("IDeserializationCallback").GetMethods();
        Console.WriteLine ("\nMethods of 'IDeserializationCallback' Interface :");
        foreach(MethodInfo methodInfo in arrayMethodInfo)
            Console.WriteLine (methodInfo);

        // Get FullName for interface by using Ignore case search.
        Console.WriteLine ("\nMethods of 'IEnumerable' Interface");
        arrayMethodInfo = objType.GetInterface("ienumerable",true).GetMethods();
        foreach(MethodInfo methodInfo in arrayMethodInfo)
           Console.WriteLine (methodInfo);

        //Get the Interface methods for 'IDictionary' interface
        InterfaceMapping interfaceMappingOb = objType.GetInterfaceMap(typeof(IDictionary));
        arrayMemberInfo = interfaceMappingObj.InterfaceMethods;
        Console.WriteLine ("\nHashtable class Implements the following IDictionary Interface methods :");
        foreach(MemberInfo memberInfo in arrayMemberInfo)
           Console.WriteLine (memberInfo);
    }
    catch (Exception e)
    {
        Console.WriteLine ("Exception : " + e.ToString());
    }
}

let hashtableObj = Hashtable()
let objType = hashtableObj.GetType()
try
    // Get the methods implemented in 'IDeserializationCallback' interface.
    let arrayMethodInfo = objType.GetInterface("IDeserializationCallback").GetMethods()
    printfn "\nMethods of 'IDeserializationCallback' Interface :"
    for methodInfo in arrayMethodInfo do
        printfn $"{methodInfo}"

    // Get FullName for interface by using Ignore case search.
    printfn "\nMethods of 'IEnumerable' Interface"
    let arrayMethodInfo = objType.GetInterface("ienumerable",true).GetMethods()
    for methodInfo in arrayMethodInfo do
        printfn $"{methodInfo}"

    //Get the Interface methods for 'IDictionary' interface
    let interfaceMappingObj = objType.GetInterfaceMap typeof<IDictionary>
    let arrayMemberInfo = interfaceMappingObj.InterfaceMethods
    printfn "\nHashtable class Implements the following IDictionary Interface methods :"
    for memberInfo in arrayMemberInfo do
        printfn $"{memberInfo}"
with e ->
    printfn $"Exception : {e}"

   Public Shared Sub Main()
      Dim hashtableObj As New Hashtable()
      Dim objType As Type = hashtableObj.GetType()
      Dim arrayMemberInfo() As MemberInfo
      Dim arrayMethodInfo() As MethodInfo
      Try
         ' Get the methods implemented in 'IDeserializationCallback' interface.
         arrayMethodInfo = objType.GetInterface("IDeserializationCallback").GetMethods()
         Console.WriteLine(ControlChars.Cr + "Methods of 'IDeserializationCallback' Interface :")
         Dim index As Integer
         For index = 0 To arrayMethodInfo.Length - 1
            Console.WriteLine(arrayMethodInfo(index).ToString())
         Next index
         ' Get FullName for interface by using Ignore case search.
         Console.WriteLine(ControlChars.Cr + "Methods of 'IEnumerable' Interface")
         arrayMethodInfo = objType.GetInterface("ienumerable", True).GetMethods()
         For index = 0 To arrayMethodInfo.Length - 1
            Console.WriteLine(arrayMethodInfo(index).ToString())
         Next index
         'Get the Interface methods for 'IDictionary' interface
         Dim interfaceMappingObj As InterfaceMapping
         interfaceMappingObj = objType.GetInterfaceMap(GetType(IDictionary))
         arrayMemberInfo = interfaceMappingObj.InterfaceMethods
         Console.WriteLine(ControlChars.Cr + "Hashtable class Implements the following IDictionary Interface methods :")
         For index = 0 To arrayMemberInfo.Length - 1
            Console.WriteLine(arrayMemberInfo(index).ToString())
         Next index
      Catch e As Exception
         Console.WriteLine(("Exception : " + e.ToString()))
      End Try
   End Sub
End Class

注解

该 ignoreCase 参数仅适用于简单接口名称，不适用于命名空间。指定命名空间的部分 name 必须具有正确的大小写，否则找不到接口。例如，字符串“System.icomparable”会 IComparable 查找接口，但字符串“system.icomparable”不会。

如果当前 Type 表示已构造的泛型类型，则此方法返回的 Type 中，类型参数已被相应的类型实参替换。

如果当前 Type 表示泛型类型或泛型方法定义中的类型参数，此方法将搜索接口约束以及从类或接口约束继承的任何接口。

注释

另请参阅

适用于

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