C# 属性页 PropertyGrid-优快云博客

本文链接：https://blog.youkuaiyun.com/johnice/article/details/4615756

本文介绍了一个配置对话框的设计实现，该对话框允许用户设置报告路径和客户端位置等选项，并通过自定义编辑器来选择文件夹和文件路径。

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using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO; using System.Windows.Forms.Design; using System.Drawing.Design; namespace Quick.Dialog { public partial class OptionsDlg : Form { OptionsInfo m_optInfo = new OptionsInfo(); public OptionsDlg() { InitializeComponent(); InitOptInfo(); } private void InitOptInfo() { LogicCommon comon = new LogicCommon(); m_optInfo.ReportPath = comon.GetQualityKeys("ReportPath"); m_optInfo.ClientLocat = comon.GetQualityKeys("ClientLocat"); m_optInfo.InitDataList(); } private void OptionsDlg_Load(object sender, EventArgs e) { propertyGrid_optProp.SelectedObject = m_optInfo; } private void propertyGrid_optProp_PropertyValueChanged(object s, PropertyValueChangedEventArgs e) { string strKey = e.ChangedItem.Label; object objValue = e.ChangedItem.Value; m_optInfo.m_optDataList[strKey] = objValue.ToString(); } private void button_ok_Click(object sender, EventArgs e) { string strReportPath = m_optInfo.m_optDataList["ReportPath"]; LogicCommon common = new LogicCommon(); if (strReportPath == "") { MessageBox.Show("报告文件路径不能为空！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } try { Directory.CreateDirectory(strReportPath); common.SetQualityKeys("ReportPath", strReportPath); } catch (System.Exception err) { MessageBox.Show(err.Message, "无效路径"); return; } string strClientLocat = m_optInfo.m_optDataList["ClientLocat"]; if (strClientLocat == "") { MessageBox.Show("客户端路径不能为空！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } common.SetQualityKeys("ClientLocat", strClientLocat); this.DialogResult = DialogResult.OK; } private void button_cancel_Click(object sender, EventArgs e) { } } public class PathEditor : UITypeEditor { public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context) { if (context != null && context.Instance != null) { return UITypeEditorEditStyle.Modal; } return base.GetEditStyle(context); } public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value) { IWindowsFormsEditorService editorService = null; if (context != null && context.Instance != null && provider != null) { editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService)); if (editorService != null) { FolderBrowserDialog dirDlg = new FolderBrowserDialog(); dirDlg.Description = "请选择路径..."; if (DialogResult.OK == dirDlg.ShowDialog()) { value = dirDlg.SelectedPath; return value; } } } return value; } } public class FileLocatEditor : UITypeEditor { public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context) { if (context != null && context.Instance != null) { return UITypeEditorEditStyle.Modal; } return base.GetEditStyle(context); } public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value) { IWindowsFormsEditorService editorService = null; if (context != null && context.Instance != null && provider != null) { editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService)); if (editorService != null) { OpenFileDialog dlg = new OpenFileDialog(); dlg.RestoreDirectory = true; dlg.Filter = "Game Client (*.exe)|*.exe"; if (DialogResult.OK == dlg.ShowDialog()) { value = dlg.FileName; return value; } } } return value; } } public class OptionsInfo { private string m_strReportPath; private string m_strClientLocat; public Dictionary<string, string> m_optDataList = new Dictionary<string, string>(); public OptionsInfo() { } public void InitDataList() { m_optDataList.Add("ReportPath", m_strReportPath); m_optDataList.Add("ClientLocat", m_strClientLocat); } // [DefaultPropertyAttribute("Name")] [Editor(typeof(PathEditor), typeof(UITypeEditor))] [CategoryAttribute("报告路径"), DescriptionAttribute("报告路径")] public string ReportPath { get { return m_strReportPath; } set { m_strReportPath = value; } } [Editor(typeof(FileLocatEditor), typeof(UITypeEditor))] [CategoryAttribute("客户端位置"), DescriptionAttribute("客户端位置")] public string ClientLocat { get { return m_strClientLocat; } set { m_strClientLocat = value; } } } }

OptionsInfo 类用于属性页的显示

[Editor(typeof(PathEditor), typeof(UITypeEditor))]
加上这一行使该属性可以使用 [...] 按钮

FileLocatEditor 和 PathEditor 从 UITypeEditor 继承以响应 [...] 按钮事件