PropertyInfo.GetSetMethod 方法

定义

命名空间:

System.Reflection

程序集:

System.Runtime.dll

返回表示此属性的 MethodInfo 访问器的 set。

重载

GetSetMethod(Boolean)	当在派生类中重写时，返回此属性的 set 访问器。
GetSetMethod()	返回此属性的公共 set 访问器。

GetSetMethod(Boolean)

Source:

PropertyInfo.cs

当在派生类中重写时，返回此属性的 set 访问器。

public:
 abstract System::Reflection::MethodInfo ^ GetSetMethod(bool nonPublic);

public abstract System.Reflection.MethodInfo? GetSetMethod (bool nonPublic);

abstract member GetSetMethod : bool -> System.Reflection.MethodInfo

Public MustOverride Function GetSetMethod (nonPublic As Boolean) As MethodInfo

参数

nonPublic

Boolean

指示如果取值函数为非公共，是否应将其返回。 如果要返回非公共取值函数，则为 true；否则为 false。

返回

MethodInfo

此属性的 Set 方法或 null，如下表所示。

“值”	条件
此属性的 Set 方法。	set 访问器是公共的。或者，nonPublic 为 true 且 set 访问器是非公共的。
null	nonPublic 为 true，但属性为只读。或者，nonPublic 为 false 且 set 访问器是非公共的。或者，没有 set 访问器。

例外

SecurityException

所请求的方法为非公共且调用方没有 ReflectionPermission 来反射此非公共方法。

示例

以下示例显示 set 指定属性的 访问器。

using namespace System;
using namespace System::Reflection;

// Define a property.
public ref class Myproperty
{
private:
   String^ caption;

public:

   property String^ Caption 
   {
      String^ get()
      {
         return caption;
      }

      void set( String^ value )
      {
         if ( caption != value )
         {
            caption = value;
         }
      }

   }

};

int main()
{
   Console::WriteLine( "\nReflection.PropertyInfo" );
   
   // Get the type and PropertyInfo for two separate properties.
   Type^ MyTypea = Type::GetType( "Myproperty" );
   PropertyInfo^ Mypropertyinfoa = MyTypea->GetProperty( "Caption" );
   Type^ MyTypeb = Type::GetType( "System.Text.StringBuilder" );
   PropertyInfo^ Mypropertyinfob = MyTypeb->GetProperty( "Length" );
   
   // Get and display the GetSetMethod method for each property.
   MethodInfo^ Mygetmethodinfoa = Mypropertyinfoa->GetSetMethod();
   Console::Write( "\nSetAccessor for {0} returns a {1}", Mypropertyinfoa->Name, Mygetmethodinfoa->ReturnType );
   MethodInfo^ Mygetmethodinfob = Mypropertyinfob->GetSetMethod();
   Console::Write( "\nSetAccessor for {0} returns a {1}", Mypropertyinfob->Name, Mygetmethodinfob->ReturnType );
   
   // Display the GetSetMethod without using the MethodInfo.
   Console::Write( "\n\n{0}.{1} GetSetMethod - {2}", MyTypea->FullName, Mypropertyinfoa->Name, Mypropertyinfoa->GetSetMethod() );
   Console::Write( "\n{0}.{1} GetSetMethod - {2}", MyTypeb->FullName, Mypropertyinfob->Name, Mypropertyinfob->GetSetMethod() );
   return 0;
}

using System;
using System.Reflection;

// Define a property.
public class Myproperty
{
    private string caption = "A Default caption";
    public string Caption
    {
        get{return caption;}
        set {if(caption!=value) {caption = value;}
        }
    }
}

class Mypropertyinfo
{
    public static int Main()
    {
        Console.WriteLine ("\nReflection.PropertyInfo");

        // Get the type and PropertyInfo for two separate properties.
        Type MyTypea = Type.GetType("Myproperty");
        PropertyInfo Mypropertyinfoa = MyTypea.GetProperty("Caption");
        Type MyTypeb = Type.GetType("System.Text.StringBuilder");
        PropertyInfo Mypropertyinfob = MyTypeb.GetProperty("Length");
        // Get and display the GetSetMethod method for each property.
        MethodInfo Mygetmethodinfoa = Mypropertyinfoa.GetSetMethod();
        Console.Write ("\nSetAccessor for " + Mypropertyinfoa.Name
            + " returns a " + Mygetmethodinfoa.ReturnType);
        MethodInfo Mygetmethodinfob = Mypropertyinfob.GetSetMethod();
        Console.Write ("\nSetAccessor for " + Mypropertyinfob.Name
            + " returns a " + Mygetmethodinfob.ReturnType);

        // Display the GetSetMethod without using the MethodInfo.
        Console.Write ("\n\n" + MyTypea.FullName + "."
            + Mypropertyinfoa.Name + " GetSetMethod - "
            + Mypropertyinfoa.GetSetMethod());
        Console.Write ("\n" + MyTypeb.FullName + "."
            + Mypropertyinfob.Name + " GetSetMethod - "
            + Mypropertyinfob.GetSetMethod());
        return 0;
    }
}

Imports System.Reflection

' Define a property.
Public Class Myproperty
    Private myCaption As String = "A Default caption"

    Public Property Caption() As String
        Get
            Return myCaption
        End Get
        Set(ByVal Value As String)
            If myCaption <> value Then
                myCaption = value
            End If
        End Set
    End Property
End Class

Class Mypropertyinfo

    Public Shared Function Main() As Integer
        Console.WriteLine(ControlChars.CrLf & "Reflection.PropertyInfo")

        ' Get the type and PropertyInfo for two separate properties.
        Dim MyTypea As Type = Type.GetType("Myproperty")
        Dim Mypropertyinfoa As PropertyInfo = MyTypea.GetProperty("Caption")
        Dim MyTypeb As Type = Type.GetType("System.Text.StringBuilder")
        Dim Mypropertyinfob As PropertyInfo = MyTypeb.GetProperty("Length")
        ' Get and display the GetSetMethod method for each property.
        Dim Mygetmethodinfoa As MethodInfo = Mypropertyinfoa.GetSetMethod()
        Console.WriteLine("SetAccessor for " & Mypropertyinfoa.Name & _
           " returns a " & Mygetmethodinfoa.ReturnType.ToString())
        Dim Mygetmethodinfob As MethodInfo = Mypropertyinfob.GetSetMethod()
        Console.WriteLine("SetAccessor for " & Mypropertyinfob.Name & _
           " returns a " & Mygetmethodinfob.ReturnType.ToString())

        ' Display the GetSetMethod without using the MethodInfo.
        Console.WriteLine(MyTypea.FullName & "." & Mypropertyinfoa.Name & _
           " GetSetMethod - " & Mypropertyinfoa.GetSetMethod().ToString())
        Console.WriteLine(MyTypeb.FullName & "." & Mypropertyinfob.Name & _
           " GetSetMethod - " & Mypropertyinfob.GetSetMethod().ToString())
        Return 0
    End Function
End Class

注解

若要使用 GetSetMethod 方法，请首先获取 类 Type。 从 中 Type获取 PropertyInfo。 在 中 PropertyInfo，使用 GetSetMethod 方法。

GetSetMethod()

Source:

PropertyInfo.cs

返回此属性的公共 set 访问器。

public:
 System::Reflection::MethodInfo ^ GetSetMethod();

public System.Reflection.MethodInfo? GetSetMethod ();

member this.GetSetMethod : unit -> System.Reflection.MethodInfo

Public Function GetSetMethod () As MethodInfo

返回

MethodInfo

如果 MethodInfo 访问器是公共的，则为表示此属性的 Set 方法的 set 对象；如果 null 访问器是非公共的，则为 set。

注解

这是一种方便的方法，它为参数设置为 false的nonPublic抽象GetSetMethod方法提供实现。

若要使用 GetSetMethod 方法，请首先获取 类 Type。 从 中 Type获取 PropertyInfo。 在 中 PropertyInfo，使用 GetSetMethod 方法。