我有一个对象是我的类中的私有成员。如果该对象触发了一个事件,我想将该事件传递给使用我的类的任何人。目前我是这样做的,在我的构造函数中添加以下代码:
cbName.CheckedChanged += ((sender, args) => this.CheckChanged(this,args));
有没有更好的方法来做这件事,如果类本身具有事件并且需要在处理函数中手动取消订阅,则该类不会被释放,那么有没有什么需要注意的地方?
将发送器从触发对象更改为this
是可选的。
测试代码的完整版本
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace placeholder
{
internal class FilterBase : UserControl, IFilterObject
{
public FilterBase(string name)
{
InitializeComponent();
cbName.CheckedChanged += ((sender, args) => this.CheckChanged(this,args));
cbName.Name = name;
this.Name = name;
}
private CheckBox cbName;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Component Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.cbName = new System.Windows.Forms.CheckBox();
this.SuspendLayout();
//
// cbName
//
this.cbName.AutoSize = true;
this.cbName.Location = new System.Drawing.Point(4, 4);
this.cbName.Name = "cbName";
this.cbName.Size = new System.Drawing.Size(79, 17);
this.cbName.TabIndex = 0;
this.cbName.Text = "Filter Name";
this.cbName.UseVisualStyleBackColor = true;
//
// UserControl1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.AutoSize = true;
this.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
this.Controls.Add(this.cbName);
this.Name = "Filter Name";
this.Size = new System.Drawing.Size(86, 24);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
public event EventHandler CheckChanged;
public bool Checked
{
get { return cbName.Checked; }
}
}
}