自定义CheckBox下拉多选框控件

 C# winform自定义CheckBox下拉多选框控件(可全选)

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;
using System.Diagnostics;

namespace UserControlDLL
{
    /// 

    /// 带下拉框的用户控件
    /// 

    public partial class ComCheckBoxList : UserControl
    {
        private TextBox tbSelectedValue;
        private ButtonS btnSelect;//下拉箭头
        private LabelS lbGrip;//此LABEL用于设置可以拖动下拉窗体变化

        private CheckedListBox checkListBox;
        private Label lbSelectAll;//全选
        private Label lbSelectNo;//取消

        private Form frmCheckList;

        private Panel pnlBack;
        private Panel pnlCheck;

        private System.Drawing.Point DragOffset; //用于记录窗体

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    ..A..H.     90624  2018-01-04 15:53  srcfans.com\WinFormComCheckBoxList\.vs\WinFormControl\v15\.suo

     文件          0  2018-01-02 10:44  srcfans.com\WinFormComCheckBoxList\.vs\WinFormControl\v15\Server\sqlite3\db.lock

     文件    1056768  2018-01-04 15:53  srcfans.com\WinFormComCheckBoxList\.vs\WinFormControl\v15\Server\sqlite3\storage.ide

     文件      18944  2018-01-04 15:51  srcfans.com\WinFormComCheckBoxList\UserControlDLL\bin\Debug\UserControlDLL.dll

     文件      34304  2018-01-04 15:51  srcfans.com\WinFormComCheckBoxList\UserControlDLL\bin\Debug\UserControlDLL.pdb

     文件      15112  2018-01-04 15:53  srcfans.com\WinFormComCheckBoxList\UserControlDLL\ComCheckBoxList.cs

     文件       1402  2018-01-02 10:50  srcfans.com\WinFormComCheckBoxList\UserControlDLL\ComCheckBoxList.Designer.cs

     文件       5817  2018-01-02 10:50  srcfans.com\WinFormComCheckBoxList\UserControlDLL\ComCheckBoxList.resx

     文件       4351  2012-07-23 13:18  srcfans.com\WinFormComCheckBoxList\UserControlDLL\DataGridViewButton.cs

     文件       2175  2012-07-23 12:02  srcfans.com\WinFormComCheckBoxList\UserControlDLL\DataGridViewButton.Designer.cs

     文件       6190  2012-07-23 12:02  srcfans.com\WinFormComCheckBoxList\UserControlDLL\DataGridViewButton.resx

     文件        864  2018-01-04 12:02  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6811  2018-01-04 12:04  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件          0  2018-01-04 12:02  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

     文件          0  2018-01-04 12:02  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

     文件          0  2018-01-04 12:02  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

     文件       3584  2018-01-04 12:04  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        180  2018-01-04 12:04  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.ComCheckBoxList.resources

     文件         42  2018-01-04 12:04  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.csproj.CoreCompileInputs.cache

     文件       2448  2018-01-04 12:03  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.csproj.FileListAbsolute.txt

     文件        969  2018-01-04 13:46  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.csproj.GenerateResource.Cache

     文件       2982  2018-01-04 13:45  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.csprojResolveAssemblyReference.cache

     文件        180  2018-01-04 12:04  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.DataGridViewButton.resources

     文件      18944  2018-01-04 15:51  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.dll

     文件      34304  2018-01-04 15:51  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.pdb

     文件        881  2018-01-04 12:04  srcfans.com\WinFormComCheckBoxList\UserControlDLL\obj\Debug\UserControlDLL.Properties.Resources.resources

     文件       1360  2012-07-23 11:44  srcfans.com\WinFormComCheckBoxList\UserControlDLL\Properties\AssemblyInfo.cs

     文件       3241  2018-01-04 12:04  srcfans.com\WinFormComCheckBoxList\UserControlDLL\Properties\Resources.Designer.cs

     文件       6201  2012-07-23 11:48  srcfans.com\WinFormComCheckBoxList\UserControlDLL\Properties\Resources.resx

     文件        362  2012-07-23 11:48  srcfans.com\WinFormComCheckBoxList\UserControlDLL\Resources\consult.gif

............此处省略44个文件信息