winform 勾选可以改变框控件

 public partial class UCCheck : UserControl
    {
        [Browsable(true), Category("修改属性"), Description("控件标识，用来判断同类型的不同对象")]
        public string Identification { get; set; }
        private bool isStatus = false;
        /// <summary>
        /// 关门状态，true选中，false关
        /// </summary>

        [Browsable(true), Category("修改属性"), Description("是否选择，true选中")]
        public bool IsStatus
        {
            get { return isStatus; }
            set { isStatus = value;
                pbxMove.Image = isStatus?Properties.Resources.check_box: Properties.Resources.check_def;
                //Image.FromFile(isStatus ? @"img\check_box.png" : @"img\check_def.png");
            }
        }
        /// <summary>
        /// 关门状态，true开，false关
        /// </summary>

        [Browsable(true), Category("修改属性"), Description("显示文字")]
        public string ShowTxt
        {
            get { return label2.Text; }
            set
            {
                label2.Text = value;
            }
        }
        public delegate void CheckHandle(object sender, EventArgs e);
        [Browsable(true), Category("子控件的事件"), Description("勾选事件")]
        public event CheckHandle CheckClicked;

        public UCCheck()
        {
            InitializeComponent();
        }

        private void pbxMove_Click(object sender, EventArgs e)
        {
            IsStatus = !IsStatus;
            CheckClicked?.Invoke(this, e);
        }
    }

namespace LUserControl
{
    partial class UCCheck
    {
        /// <summary> 
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary> 
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region 组件设计器生成的代码

        /// <summary> 
        /// 设计器支持所需的方法 - 不要修改
        /// 使用代码编辑器修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.label2 = new System.Windows.Forms.Label();
            this.pbxMove = new System.Windows.Forms.PictureBox();
            ((System.ComponentModel.ISupportInitialize)(this.pbxMove)).BeginInit();
            this.SuspendLayout();
            // 
            // label2
            // 
            this.label2.AutoSize = true;
            this.label2.Font = new System.Drawing.Font("微软雅黑", 18F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            this.label2.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(117)))), ((int)(((byte)(117)))), ((int)(((byte)(117)))));
            this.label2.Location = new System.Drawing.Point(33, 2);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(62, 31);
            this.label2.TabIndex = 42;
            this.label2.Text = "本柜";
            // 
            // pbxMove
            // 
            this.pbxMove.BackColor = System.Drawing.Color.Transparent;
            this.pbxMove.BackgroundImage = global::LUserControl.Properties.Resources.check_def;
            this.pbxMove.Dock = System.Windows.Forms.DockStyle.Left;
            this.pbxMove.Location = new System.Drawing.Point(0, 0);
            this.pbxMove.Name = "pbxMove";
            this.pbxMove.Size = new System.Drawing.Size(40, 40);
            this.pbxMove.TabIndex = 43;
            this.pbxMove.TabStop = false;
            this.pbxMove.Click += new System.EventHandler(this.pbxMove_Click);
            // 
            // UCCheck
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.Controls.Add(this.pbxMove);
            this.Controls.Add(this.label2);
            this.Name = "UCCheck";
            this.Size = new System.Drawing.Size(100, 40);
            ((System.ComponentModel.ISupportInitialize)(this.pbxMove)).EndInit();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.PictureBox pbxMove;
    }
}