WebRenderTreeBuilderExtensions.AddEventPreventDefaultAttribute 方法

定义

命名空间:

Microsoft.AspNetCore.Components.Web

程序集:

Microsoft.AspNetCore.Components.Web.dll

包:

Microsoft.AspNetCore.Components.Web v9.0.0

Source:

WebRenderTreeBuilderExtensions.cs

追加表示指令的帧，以防止指定事件的默认操作。

public:
[System::Runtime::CompilerServices::Extension]
 static void AddEventPreventDefaultAttribute(Microsoft::AspNetCore::Components::Rendering::RenderTreeBuilder ^ builder, int sequence, System::String ^ eventName, bool value);

public static void AddEventPreventDefaultAttribute (this Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder builder, int sequence, string eventName, bool value);

static member AddEventPreventDefaultAttribute : Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder * int * string * bool -> unit

<Extension()>
Public Sub AddEventPreventDefaultAttribute (builder As RenderTreeBuilder, sequence As Integer, eventName As String, value As Boolean)

参数

builder

RenderTreeBuilder

RenderTreeBuilder。

sequence

Int32

一个整数，表示指令在源代码中的位置。

eventName

String

要受影响的事件的名称。

value

Boolean

如果要阻止默认操作，则为 True，否则为 false。