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前提

入行已经7,8年了，一直想做一套漂亮点的自定义控件，于是就有了本系列文章。

GitHub：

码云：

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NuGet

Install-Package HZH_Controls

用处及效果

准备工作

这个用到了、、不了解的可以先移步查看一下

开始

添加一个用户控件UCTestTransfer

界面放2个表格，2个按钮即可

添加属性

1  ///  2         /// 移动数据事件 3         /// 
 4         [Description("移动数据事件"), Category("自定义")] 5         public event TransferEventHandler Transfered; 6  7         ///  8         /// The left columns 9         /// 
10         private DataGridViewColumnEntity[] leftColumns;11 12         /// 13         /// Gets or sets the left columns.14         /// 
15         /// 
    
     The left columns.
    16         [Description("左侧列表列"), Category("自定义")]17         public DataGridViewColumnEntity[] LeftColumns18         {19             get { return leftColumns; }20             set21             {22                 leftColumns = value;23                 this.dgvLeft.Columns = leftColumns.ToList();24             }25         }26 27         /// 28         /// The right columns29         /// 
30         private DataGridViewColumnEntity[] rightColumns;31 32         /// 33         /// Gets or sets the right columns.34         /// 
35         /// 
    
     The right columns.
    36         [Description("右侧列表列"), Category("自定义")]37         public DataGridViewColumnEntity[] RightColumns38         {39             get { return rightColumns; }40             set41             {42                 rightColumns = value;43                 this.dgvRight.Columns = leftColumns.ToList();44             }45         }46 47         /// 48         /// The left data source49         /// 
50         private object[] leftDataSource;51         /// 52         /// 左右列表必须设置相同类型的数据源列表，如果为空必须为长度为0的数组53         /// 
54         /// 
    
     The left data source.
    55         [Description("左侧列表数据源"), Category("自定义"), Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]56         public object[] LeftDataSource57         {58             get { return leftDataSource; }59             set60             {61                 leftDataSource = value;62                 dgvLeft.DataSource = value;63             }64         }65 66         /// 67         /// The right data source68         /// 
69         private object[] rightDataSource;70         /// 71         /// 左右列表必须设置相同类型的数据源列表，如果为空必须为长度为0的数组72         /// 
73         /// 
    
     The left data source.
    74         [Description("右侧列表数据源"), Category("自定义"), Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]75         public object[] RightDataSource76         {77             get { return rightDataSource; }78             set79             {80                 rightDataSource = value;81                 dgvRight.DataSource = value;82             }83         }

处理左右移动按钮事件

1 ///  2         /// Handles the BtnClick event of the btnRight control. 3         /// 
 4         /// The source of the event. 5         /// The 
     instance containing the event data. 6         /// 
    
      7         /// 左右数据源列表不能为空 8         /// or 9         /// 左右数据源列表类型不一致，无法进行操作10         /// 
    11         private void btnRight_BtnClick(object sender, EventArgs e)12         {13             if (LeftDataSource == null || RightDataSource == null)14             {15                 throw new Exception("左右数据源列表不能为空");16             }17             if (LeftDataSource.GetType() != RightDataSource.GetType())18             {19                 throw new Exception("左右数据源列表类型不一致，无法进行操作");20             }21             if (dgvLeft.SelectRows == null || dgvLeft.SelectRows.Count <= 0)22                 return;23             List

完整代码

1 // ***********************************************************************  2 // Assembly         : HZH_Controls  3 // Created          : 2019-10-10  4 //  5 // ***********************************************************************  6 // 
    
       7 //     Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com  8 // 
      9 // 10 // Blog: https://www.cnblogs.com/bfyx 11 // GitHub：https://github.com/kwwwvagaa/NetWinformControl 12 // gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git 13 // 14 // If you use this code, please keep this note. 15 // *********************************************************************** 16 using System; 17 using System.Collections.Generic; 18 using System.ComponentModel; 19 using System.Drawing; 20 using System.Data; 21 using System.Linq; 22 using System.Text; 23 using System.Windows.Forms; 24  25 namespace HZH_Controls.Controls 26 { 27     ///  28     /// Class UCTransfer. 29     /// Implements the 
      30     /// 
 31     /// 
     32     [DefaultEvent("Transfered")] 33     public partial class UCTransfer : UserControl 34     { 35         ///  36         /// 移动数据事件 37         /// 
 38         [Description("移动数据事件"), Category("自定义")] 39         public event TransferEventHandler Transfered; 40  41         ///  42         /// The left columns 43         /// 
 44         private DataGridViewColumnEntity[] leftColumns; 45  46         ///  47         /// Gets or sets the left columns. 48         /// 
 49         /// 
    
     The left columns.
     50         [Description("左侧列表列"), Category("自定义")] 51         public DataGridViewColumnEntity[] LeftColumns 52         { 53             get { return leftColumns; } 54             set 55             { 56                 leftColumns = value; 57                 this.dgvLeft.Columns = leftColumns.ToList(); 58             } 59         } 60  61         ///  62         /// The right columns 63         /// 
 64         private DataGridViewColumnEntity[] rightColumns; 65  66         ///  67         /// Gets or sets the right columns. 68         /// 
 69         /// 
    
     The right columns.
     70         [Description("右侧列表列"), Category("自定义")] 71         public DataGridViewColumnEntity[] RightColumns 72         { 73             get { return rightColumns; } 74             set 75             { 76                 rightColumns = value; 77                 this.dgvRight.Columns = leftColumns.ToList(); 78             } 79         } 80  81         ///  82         /// The left data source 83         /// 
 84         private object[] leftDataSource; 85         ///  86         /// 左右列表必须设置相同类型的数据源列表，如果为空必须为长度为0的数组 87         /// 
 88         /// 
    
     The left data source.
     89         [Description("左侧列表数据源"), Category("自定义"), Browsable(false), EditorBrowsable(EditorBrowsableState.Never)] 90         public object[] LeftDataSource 91         { 92             get { return leftDataSource; } 93             set 94             { 95                 leftDataSource = value; 96                 dgvLeft.DataSource = value; 97             } 98         } 99 100         /// 101         /// The right data source102         /// 
103         private object[] rightDataSource;104         /// 105         /// 左右列表必须设置相同类型的数据源列表，如果为空必须为长度为0的数组106         /// 
107         /// 
    
     The left data source.
    108         [Description("右侧列表数据源"), Category("自定义"), Browsable(false), EditorBrowsable(EditorBrowsableState.Never)]109         public object[] RightDataSource110         {111             get { return rightDataSource; }112             set113             {114                 rightDataSource = value;115                 dgvRight.DataSource = value;116             }117         }118 119         /// 120         /// Initializes a new instance of the 
      class.121         /// 
122         public UCTransfer()123         {124             InitializeComponent();125             dgvLeft.IsCloseAutoHeight = true;126             dgvRight.IsCloseAutoHeight = true;127             LeftColumns = new DataGridViewColumnEntity[0];128             RightColumns = new DataGridViewColumnEntity[0];129             LeftDataSource = new object[0];130             RightDataSource = new object[0];131         }132 133         /// 134         /// Handles the BtnClick event of the btnRight control.135         /// 
136         /// The source of the event.137         /// The 
     instance containing the event data.138         /// 
    
     139         /// 左右数据源列表不能为空140         /// or141         /// 左右数据源列表类型不一致，无法进行操作142         /// 
    143         private void btnRight_BtnClick(object sender, EventArgs e)144         {145             if (LeftDataSource == null || RightDataSource == null)146             {147                 throw new Exception("左右数据源列表不能为空");148             }149             if (LeftDataSource.GetType() != RightDataSource.GetType())150             {151                 throw new Exception("左右数据源列表类型不一致，无法进行操作");152             }153             if (dgvLeft.SelectRows == null || dgvLeft.SelectRows.Count <= 0)154                 return;155             List