ConfigurationPropertyAttribute.DefaultValue 属性

定义

命名空间:

System.Configuration

程序集:

System.Configuration.ConfigurationManager.dll

包:

System.Configuration.ConfigurationManager v8.0.0

Source:

ConfigurationPropertyAttribute.cs

获取或设置修饰属性的默认值。

public:
 property System::Object ^ DefaultValue { System::Object ^ get(); void set(System::Object ^ value); };

public object DefaultValue { get; set; }

member this.DefaultValue : obj with get, set

Public Property DefaultValue As Object

属性值

Object

表示经过修饰的配置元素属性默认值的对象。

示例

下面的示例演示如何使用 DefaultValue 属性。

[ConfigurationProperty("url", DefaultValue = "http://www.contoso.com",
    IsRequired = true)]
[RegexStringValidator(@"\w+:\/\/[\w.]+\S*")]
public string Url
{
    get
    {
        return (string)this["url"];
    }
    set
    {
        this["url"] = value;
    }
}

<ConfigurationProperty("url", DefaultValue:="http://www.contoso.com", IsRequired:=True), RegexStringValidator("\w+:\/\/[\w.]+\S*")>
Public Property Url() As String
    Get
        Return CStr(Me("url"))
    End Get
    Set(ByVal value As String)
        Me("url") = value
    End Set
End Property