官网
http://www.hzhcontrols.com
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：https://github.com/kwwwvagaa/NetWinformControl
码云：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
如果觉得写的还行，请点个 star 支持一下吧
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NuGet
Install-Package HZH_Controls
目录
https://www.cnblogs.com/bfyx/p/11364884.html
用处及效果
准备工作
这个用到了基类窗体 （十七）c#Winform自定义控件-基类窗体 ，如果不了解可以先移步看一下
开始
添加一个窗体FrmLoading 继承 FrmBase
东西不多，看全部代码
1 // *********************************************************************** 2 // Assembly : HZH_Controls 3 // Created : 2019-09-26 4 // 5 // *********************************************************************** 6 // <copyright file="FrmLoading.cs"> 7 // Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com 8 // </copyright> 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.Data; 20 using System.Drawing; 21 using System.Linq; 22 using System.Text; 23 using System.Threading; 24 using System.Windows.Forms; 25 26 namespace HZH_Controls.Forms 27 { 28 /// <summary> 29 /// Class FrmLoading. 30 /// Implements the <see cref="HZH_Controls.Forms.FrmBase" /> 31 /// </summary> 32 /// <seealso cref="HZH_Controls.Forms.FrmBase" /> 33 public partial class FrmLoading : FrmBase 34 { 35 /// <summary> 36 /// The update database worker 37 /// </summary> 38 BackgroundWorker updateDBWorker = new BackgroundWorker(); 39 /// <summary> 40 /// 获取或设置加载任务 41 /// </summary> 42 /// <value>The background work action.</value> 43 public Action BackgroundWorkAction 44 { 45 get; 46 set; 47 } 48 /// <summary> 49 /// 设置当前执行进度及任务名称，key:任务进度，取值0-100 value：当前任务名称 50 /// </summary> 51 /// <value>The current MSG.</value> 52 public KeyValuePair<int, string> CurrentMsg 53 { 54 set 55 { 56 this.updateDBWorker.ReportProgress(value.Key, value.Value); 57 } 58 } 59 /// <summary> 60 /// Initializes a new instance of the <see cref="FrmLoading"/> class. 61 /// </summary> 62 public FrmLoading() 63 { 64 InitializeComponent(); 65 this.updateDBWorker.WorkerReportsProgress = true; 66 this.updateDBWorker.WorkerSupportsCancellation = true; 67 this.updateDBWorker.DoWork += new DoWorkEventHandler(this.backgroundWorker1_DoWork); 68 this.updateDBWorker.ProgressChanged += new ProgressChangedEventHandler(this.backgroundWorker1_ProgressChanged); 69 } 70 /// <summary> 71 /// 设置进度信息，重写此函数可以处理界面信息绑定 72 /// </summary> 73 /// <param name="strText">进度任务名称</param> 74 /// <param name="intValue">进度值</param> 75 protected virtual void BindingProcessMsg(string strText, int intValue) 76 { 77 78 } 79 80 /// <summary> 81 /// Sets the message. 82 /// </summary> 83 /// <param name="strText">The string text.</param> 84 /// <param name="intValue">The int value.</param> 85 private void SetMessage(string strText, int intValue) 86 { 87 if (this.InvokeRequired) 88 { 89 this.BeginInvoke(new MethodInvoker(delegate() { SetMessage(strText, intValue); })); 90 } 91 else 92 { 93 BindingProcessMsg(strText, intValue); 94 } 95 } 96 97 /// <summary> 98 /// Handles the Load event of the FrmLoading control. 99 /// </summary> 100 /// <param name="sender">The source of the event.</param> 101 /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param> 102 private void FrmLoading_Load(object sender, EventArgs e) 103 { 104 if (ControlHelper.IsDesignMode()) 105 return; 106 this.updateDBWorker.RunWorkerAsync(); 107 } 108 109 /// <summary> 110 /// Handles the DoWork event of the backgroundWorker1 control. 111 /// </summary> 112 /// <param name="sender">The source of the event.</param> 113 /// <param name="e">The <see cref="DoWorkEventArgs"/> instance containing the event data.</param> 114 private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) 115 { 116 if (this.BackgroundWorkAction != null) 117 { 118 this.BackgroundWorkAction(); 119 } 120 Thread.Sleep(100); 121 if (base.InvokeRequired) 122 { 123 base.BeginInvoke(new MethodInvoker(delegate 124 { 125 base.Close(); 126 })); 127 } 128 else 129 { 130 base.Close(); 131 } 132 } 133 134 /// <summary> 135 /// Handles the ProgressChanged event of the backgroundWorker1 control. 136 /// </summary> 137 /// <param name="sender">The source of the event.</param> 138 /// <param name="e">The <see cref="ProgressChangedEventArgs"/> instance containing the event data.</param> 139 private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e) 140 { 141 SetMessage((e.UserState == null) ? "" : e.UserState.ToString(), e.ProgressPercentage); 142 } 143 } 144 }
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说明：
BackgroundWorkAction：加载资源任务函数
CurrentMsg：当前需要显示的进度信息，key:任务进度，取值0-100 value：当前任务名称
BindingProcessMsg：向界面绑定数据，子类需要重写此函数来实现向界面绑定显示数据
示例：
添加一个窗体FrmTestLoading 继承FrmLoading
添加一个文本label1显示进度信息文字
添加一个进度条ucProcessLineExt1显示进度值
重新BindingProcessMsg绑定信息
1 protected override void BindingProcessMsg(string strText, int intValue) 2 { 3 label1.Text = strText; 4 this.ucProcessLineExt1.Value = intValue; 5 }
调用
1 FrmTestLoading frmLoading = new FrmTestLoading(); 2 frmLoading.BackgroundWorkAction = delegate() 3 { 4 try 5 { 6 frmLoading.CurrentMsg = new KeyValuePair<int, string>(1, "正在初始化配置..."); 7 Thread.Sleep(1000); 8 frmLoading.CurrentMsg = new KeyValuePair<int, string>(10, "正在加载第一个资源..."); 9 Thread.Sleep(1000); 10 frmLoading.CurrentMsg = new KeyValuePair<int, string>(20, "正在加载第二个资源..."); 11 Thread.Sleep(1000); 12 frmLoading.CurrentMsg = new KeyValuePair<int, string>(30, "正在加载第三个资源..."); 13 Thread.Sleep(1000); 14 frmLoading.CurrentMsg = new KeyValuePair<int, string>(40, "正在加载第四个资源..."); 15 Thread.Sleep(1000); 16 frmLoading.CurrentMsg = new KeyValuePair<int, string>(50, "正在加载第五个资源..."); 17 Thread.Sleep(1000); 18 frmLoading.CurrentMsg = new KeyValuePair<int, string>(60, "正在加载第六个资源..."); 19 Thread.Sleep(1000); 20 frmLoading.CurrentMsg = new KeyValuePair<int, string>(70, "正在加载第七个资源..."); 21 Thread.Sleep(1000); 22 frmLoading.CurrentMsg = new KeyValuePair<int, string>(80, "正在加载第八个资源..."); 23 Thread.Sleep(1000); 24 frmLoading.CurrentMsg = new KeyValuePair<int, string>(90, "正在加载第九个资源..."); 25 Thread.Sleep(1000); 26 frmLoading.CurrentMsg = new KeyValuePair<int, string>(1000, "数据加载完成..."); 27 Thread.Sleep(1000); 28 } 29 catch (Exception ex) 30 { 31 MessageBox.Show("加载资源时出现错误"); 32 } 33 }; 34 frmLoading.ShowDialog();
最后的话
如果你喜欢的话，请到 https://gitee.com/kwwwvagaa/net_winform_custom_control 点个星星吧
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