winform dev 网格树形下拉控件封装

最新推荐文章于 2025-10-09 09:36:08 发布

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最新推荐文章于 2025-10-09 09:36:08 发布 · 832 阅读

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CC 4.0 BY-SA版权

文章标签：

#winform #devexpress

Dev 官网连接
TreeList
PopupContainerControl
PopupContainerEdit

效果图：
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添加一个组件开始自定义控件
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文件结构
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Entity Code

using System;

namespace Test
{
   
   
    public class DataDto
    {
   
   
        public Guid Id {
   
    get; set; }
        public Guid ParentId {
   
    get; set; }
        public string Name {
   
    get; set; }
        public string Value {
   
    get; set; }
    }
}

Event Code:

using System;
using System.Collections.Generic;
using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Controls;
using DevExpress.XtraEditors.Repository;

namespace Test
{
   
   
    public partial class ComponentName : PopupContainerControl
    {
   
   
    	// 控制清除 确定 取消 三个按钮的显示
        public bool showCancelButton = true;
        public bool showOKButton = false;
        public bool showClearButton = false;

        private bool firstLoad = true;

        private List<DataDto> ListData {
   
    get; set; }
        public DataDto Current {
   
    get; set; }

        public event Action<DataDto> ChangeValue;

        protected PopupContainerEdit edit;

        private RepositoryItemPopupContainerEdit PopupControl {
   
    get; set; }

        public ComponentName()
        {
   
   
            this.InitializeComponent();

            this.btnCancel.Visible = this.showCancelButton;
            this.btnClear.Visible = this.showClearButton;
            this.btnOK.Visible = this.showOKButton;

            this.ListData = new List<DataDto>();

            this.PopupControl = new RepositoryItemPopupContainerEdit
            {
   
   
                TextEditStyle = TextEditStyles.Standard,
                PopupControl = this
            };
            this.PopupControl.Popup += PopupControl_Popup;
            this.PopupContainerProperties.ShowPopupCloseButton = false;

            this.PopupContainerProperties.PopupWidthMode = PopupWidthMode.UseEditorWidth;

            this.PopupControl.BeforePopup += PopupControl_BeforePopup;
            this.PopupControl.Closed +