Bentley二次开发教程28-交互窗口-案例实战2-EC属性赋值工具

EC属性赋值工具

该工具会根据用户输入的路径获取Schema文件的路径，然后通过路径读取对应的Schema文件并在树状图中显示EC类，当用户选择树状图上的节点时，此时会触发事件，根据EC属性添加用户自定义控件用于显示EC属性并可对其进行赋值操作。完成后选取元素，点击界面上的应用，此时元素会被赋予指定EC类，同时修改的EC属性值也会被同步赋予。
该工具涉及到的WinForm控件有：TextBox，Button，TreeView，Panel，UserControl（用户自定义控件）。
在这里插入图片描述

using Bentley.DgnPlatformNET;}                 instance.WriteChanges();//更新文件上的EC实例}                                                 }private void AddECPropItems(TreeNodeMouseClickEventArgs e){m_proppanel_ECProp.Controls.Clear();//清空面板中的用户控件IECClass eCs = m_ecschema.GetClass(e.Node.Name);//使用树状图中的节点名称从ECSchema中获取EC类IEnumerable<IECProperty> props = eCs.Properties(true);//获得EC类中的EC属性int j = 0;//声明int值用于控制用户控件的间距foreach (IECProperty prop in props)//遍历EC类中的EC属性{ECItem item = new ECItem();//声明用于显示EC属性及值的用户控件item.label1.Text = prop.Name;//设置用户控件中的标签名称为EC属性名称item.textBox1.Tag = prop.Type.Name;//设置用户控件中的文本框的标签为EC属性类型switch (prop.Type.Name)//选择EC属性值{case "int"://若EC属性为int值break;//跳出case "string"://若EC属性为string值break;//跳出default://其余情况item.textBox1.Enabled = false;//锁定文本框，不允许用户输入数据break;//跳出}item.Top = 28 * j;//设置用户控件位置item.Parent = m_proppanel_ECProp;//确定控件依赖的面板j++;//增加int值}m_proppanel_ECProp.AutoScroll = true;//启动面板自动滚动m_proppanel_ECProp.Show();//显示面板}private void CreateTreeView(){IECClass[]classes= m_ecschema.GetClasses();//获得ECSchema中的所有EC类            for(int i=0;i<classes.Count();i++)//遍历EC类{TreeNode ti = new TreeNode();//创建树状图节点ti.Name = classes[i].Name;//设置树状图节点的名称的EC类名ti.Text = classes[i].Name;//设置树状图节点的文字的EC类名m_treeView_ECClass.Nodes.Add(ti);//在树状图中添加节点                }m_treeView_ECClass.ExpandAll();//展开树状图}private void SelectSchemaFilePath(){OpenFileDialog dialog = new OpenFileDialog();//声明文件对话框dialog.Filter = "*.ecschema.xml|*.ecschema.XML";//设置文件选取过滤器为识别后缀.ecschema.xml的文件dialog.FilterIndex = 1;//设置过滤器索引if (dialog.ShowDialog() == DialogResult.OK)//判断是否成功输入{this.m_textBox_import.Text = dialog.FileName;//设置文本框中的文字为文件路径}}private void LoadSchemaData(){XmlDocument xmldoc = new XmlDocument();//声明XML文件浏览器xmldoc.Load(m_textBox_import.Text);//读取指定路径的xml文件string xmlStr = xmldoc.InnerXml;//获得读取到的文字内容ECSchemaXmlStringReader xmlReader = new ECSchemaXmlStringReader(xmlStr);//声明ECSchema阅读器m_ecschema = xmlReader.Deserialize();//将EC Schema阅读器读取到的信息反序列化if (null == m_ecschema)//判断是否成功获得ECSchema{MessageBox.Show("Schema not found, please check");//对话框输出未获得指定ECSchemareturn;//返回}ImportSchemaOptions options = new ImportSchemaOptions();//声明导入Schema选项              DgnECManager.Manager.ImportSchema(m_ecschema, m_dgnFile, options);//导入ECSchemareturn;//返回}       }
}

namespace WinformUIIntroduction.UI// this.m_proppanel_ECProp.Location = new System.Drawing.Point(187, 42);this.m_proppanel_ECProp.Name = "m_proppanel_ECProp";this.m_proppanel_ECProp.Size = new System.Drawing.Size(336, 206);this.m_proppanel_ECProp.TabIndex = 4;// // ECAttachMenu// this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;this.ClientSize = new System.Drawing.Size(538, 289);this.Controls.Add(this.m_proppanel_ECProp);this.Controls.Add(this.m_textBox_import);this.Controls.Add(this.m_button_apply);this.Controls.Add(this.m_button_import);this.Controls.Add(this.m_treeView_ECClass);this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;this.MaximizeBox = false;this.Name = "ECAttachMenu";this.ShowIcon = false;this.Text = "ECAttachTool";this.TopMost = true;this.ResumeLayout(false);this.PerformLayout();}#endregionprivate System.Windows.Forms.TreeView m_treeView_ECClass;private System.Windows.Forms.Button m_button_import;private System.Windows.Forms.Button m_button_apply;private System.Windows.Forms.TextBox m_textBox_import;private System.Windows.Forms.Panel m_proppanel_ECProp;}
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;namespace WinformUIIntroduction.UI
{public partial class ECItem : UserControl{public ECItem(){InitializeComponent();       }        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)//在文本框中点击按键时触发{switch (textBox1.Tag)//根据文本框的标签进行设置{case "int"://当文本框的标签设置为"int"时if (e.KeyChar != 8 && !Char.IsDigit(e.KeyChar))//只允许在文本框中输入数组与回退{e.Handled = true;//返回真}break;//跳出case "string"://当文本框的标签设置为"string"时break;//跳出}            }       }
}