ESRI ArcGIS应用与开发我做了个查找的.........||做专业的GIS技术交流论坛

hahaaluo 路人甲注册日期2006-08-05 发帖数146 QQ 铜币591枚威望0点贡献值0点银元0个加关注写私信	阅读：1673回复：3 我做了个查找的......... 楼主^# 更多只看楼主倒序阅读发布于：2006-09-11 20:23 <P>最近看到帮助有个Find Samples的就想也做一个,不过运行Find Samples时都不行,请高手们帮忙看看帮个忙 ,谢谢你们~~~~~~~</P>
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hahaaluo

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发布于：2006-09-11 20:27

using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.IO; using ESRI.ArcGIS.SystemUI; using ESRI.ArcGIS.ArcReaderControl;
namespace Find { /// <summary> /// Summary description for Form1. /// </summary> public class Form1 : System.Windows.Forms.Form { public System.Windows.Forms.Button cmdLoad; public System.Windows.Forms.TextBox txbPath; public System.Windows.Forms.Label Label1; public System.Windows.Forms.Label Label6; public System.Windows.Forms.Label Label5; public System.Windows.Forms.Label Label3; public System.Windows.Forms.Label Label2; public System.Windows.Forms.ComboBox cboLayers; public System.Windows.Forms.Button cmdFlicker; public System.Windows.Forms.Button cmdFlash; public System.Windows.Forms.Button cmdFindNext; public System.Windows.Forms.Button cmdFind; private ArcReaderSearchDef m_SearchDef; private IARFeatureCursor m_FeatureCursor; private IARFeature m_Feature; private System.Collections.SortedList m_LayerCollection = new System.Collections.SortedList(); private ESRI.ArcGIS.ArcReaderControl.AxArcReaderControl axArcReaderControl2; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null;
 public Form1() { // // Required for Windows Form Designer support // InitializeComponent();
 // // TOD Add any constructor code after InitializeComponent call // }
 /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); }
 #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1)); this.cmdLoad = new System.Windows.Forms.Button(); this.txbPath = new System.Windows.Forms.TextBox(); this.Label1 = new System.Windows.Forms.Label(); this.Label6 = new System.Windows.Forms.Label(); this.Label5 = new System.Windows.Forms.Label(); this.Label3 = new System.Windows.Forms.Label(); this.Label2 = new System.Windows.Forms.Label(); this.cboLayers = new System.Windows.Forms.ComboBox(); this.cmdFlicker = new System.Windows.Forms.Button(); this.cmdFlash = new System.Windows.Forms.Button(); this.cmdFindNext = new System.Windows.Forms.Button(); this.cmdFind = new System.Windows.Forms.Button(); this.axArcReaderControl2 = new ESRI.ArcGIS.ArcReaderControl.AxArcReaderControl(); ((System.ComponentModel.ISupportInitialize)(this.axArcReaderControl2)).BeginInit(); this.SuspendLayout(); // // cmdLoad // this.cmdLoad.BackColor = System.Drawing.SystemColors.Control; this.cmdLoad.Cursor = System.Windows.Forms.Cursors.Default; this.cmdLoad.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.cmdLoad.ForeColor = System.Drawing.SystemColors.ControlText; this.cmdLoad.Location = new System.Drawing.Point(470, 9); this.cmdLoad.Name = "cmdLoad"; this.cmdLoad.RightToLeft = System.Windows.Forms.RightToLeft.No; this.cmdLoad.Size = new System.Drawing.Size(98, 27); this.cmdLoad.TabIndex = 3; this.cmdLoad.Text = "Load PMF"; this.cmdLoad.Click += new System.EventHandler(this.cmdLoad_Click); // // txbPath // this.txbPath.AcceptsReturn = true; this.txbPath.AutoSize = false; this.txbPath.BackColor = System.Drawing.SystemColors.Window; this.txbPath.Cursor = System.Windows.Forms.Cursors.IBeam; this.txbPath.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.txbPath.ForeColor = System.Drawing.SystemColors.WindowText; this.txbPath.Location = new System.Drawing.Point(10, 9); this.txbPath.MaxLength = 0; this.txbPath.Name = "txbPath"; this.txbPath.RightToLeft = System.Windows.Forms.RightToLeft.No; this.txbPath.Size = new System.Drawing.Size(452, 27); this.txbPath.TabIndex = 2; this.txbPath.Text = ""; // // Label1 // this.Label1.BackColor = System.Drawing.SystemColors.Control; this.Label1.Cursor = System.Windows.Forms.Cursors.Default; this.Label1.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.Label1.ForeColor = System.Drawing.SystemColors.Highlight; this.Label1.Location = new System.Drawing.Point(586, 129); this.Label1.Name = "Label1"; this.Label1.RightToLeft = System.Windows.Forms.RightToLeft.No; this.Label1.Size = new System.Drawing.Size(241, 27); this.Label1.TabIndex = 16; this.Label1.Text = "5) Loop though any other features that were found."; // // Label6 // this.Label6.BackColor = System.Drawing.SystemColors.Control; this.Label6.Cursor = System.Windows.Forms.Cursors.Default; this.Label6.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.Label6.ForeColor = System.Drawing.SystemColors.Highlight; this.Label6.Location = new System.Drawing.Point(586, 69); this.Label6.Name = "Label6"; this.Label6.RightToLeft = System.Windows.Forms.RightToLeft.No; this.Label6.Size = new System.Drawing.Size(241, 18); this.Label6.TabIndex = 15; this.Label6.Text = "3) Enter a search string to find."; // // Label5 // this.Label5.BackColor = System.Drawing.SystemColors.Control; this.Label5.Cursor = System.Windows.Forms.Cursors.Default; this.Label5.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.Label5.ForeColor = System.Drawing.SystemColors.Highlight; this.Label5.Location = new System.Drawing.Point(586, 95); this.Label5.Name = "Label5"; this.Label5.RightToLeft = System.Windows.Forms.RightToLeft.No; this.Label5.Size = new System.Drawing.Size(241, 27); this.Label5.TabIndex = 14; this.Label5.Text = "4) Flash or flicker the found feature."; // // Label3 // this.Label3.BackColor = System.Drawing.SystemColors.Control; this.Label3.Cursor = System.Windows.Forms.Cursors.Default; this.Label3.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.Label3.ForeColor = System.Drawing.SystemColors.Highlight; this.Label3.Location = new System.Drawing.Point(586, 43); this.Label3.Name = "Label3"; this.Label3.RightToLeft = System.Windows.Forms.RightToLeft.No; this.Label3.Size = new System.Drawing.Size(241, 18); this.Label3.TabIndex = 13; this.Label3.Text = "2) Select a layer to search."; // // Label2 // this.Label2.BackColor = System.Drawing.SystemColors.Control; this.Label2.Cursor = System.Windows.Forms.Cursors.Default; this.Label2.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.Label2.ForeColor = System.Drawing.SystemColors.Highlight; this.Label2.Location = new System.Drawing.Point(586, 9); this.Label2.Name = "Label2"; this.Label2.RightToLeft = System.Windows.Forms.RightToLeft.No; this.Label2.Size = new System.Drawing.Size(241, 27); this.Label2.TabIndex = 12; this.Label2.Text = "1) Enter a valid file path and load the PMF."; // // cboLayers // this.cboLayers.BackColor = System.Drawing.SystemColors.Window; this.cboLayers.Cursor = System.Windows.Forms.Cursors.Default; this.cboLayers.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.cboLayers.ForeColor = System.Drawing.SystemColors.WindowText; this.cboLayers.Items.AddRange(new object[] { "Layer", "Field"}); this.cboLayers.Location = new System.Drawing.Point(586, 207); this.cboLayers.Name = "cboLayers"; this.cboLayers.RightToLeft = System.Windows.Forms.RightToLeft.No; this.cboLayers.Size = new System.Drawing.Size(231, 22); this.cboLayers.TabIndex = 17; // // cmdFlicker // this.cmdFlicker.BackColor = System.Drawing.SystemColors.Control; this.cmdFlicker.Cursor = System.Windows.Forms.Cursors.Default; this.cmdFlicker.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.cmdFlicker.ForeColor = System.Drawing.SystemColors.ControlText; this.cmdFlicker.Location = new System.Drawing.Point(701, 310); this.cmdFlicker.Name = "cmdFlicker"; this.cmdFlicker.RightToLeft = System.Windows.Forms.RightToLeft.No; this.cmdFlicker.Size = new System.Drawing.Size(116, 36); this.cmdFlicker.TabIndex = 21; this.cmdFlicker.Text = "Flicker Feature"; this.cmdFlicker.Click += new System.EventHandler(this.cmdFlicker_Click); // // cmdFlash // this.cmdFlash.BackColor = System.Drawing.SystemColors.Control; this.cmdFlash.Cursor = System.Windows.Forms.Cursors.Default; this.cmdFlash.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.cmdFlash.ForeColor = System.Drawing.SystemColors.ControlText; this.cmdFlash.ImageAlign = System.Drawing.ContentAlignment.TopCenter; this.cmdFlash.Location = new System.Drawing.Point(586, 310); this.cmdFlash.Name = "cmdFlash"; this.cmdFlash.RightToLeft = System.Windows.Forms.RightToLeft.No; this.cmdFlash.Size = new System.Drawing.Size(116, 36); this.cmdFlash.TabIndex = 20; this.cmdFlash.Text = "Flash Feature"; this.cmdFlash.Click += new System.EventHandler(this.cmdFlash_Click); // // cmdFindNext // this.cmdFindNext.BackColor = System.Drawing.SystemColors.Control; this.cmdFindNext.Cursor = System.Windows.Forms.Cursors.Default; this.cmdFindNext.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.cmdFindNext.ForeColor = System.Drawing.SystemColors.ControlText; this.cmdFindNext.ImageAlign = System.Drawing.ContentAlignment.TopCenter; this.cmdFindNext.Location = new System.Drawing.Point(701, 250); this.cmdFindNext.Name = "cmdFindNext"; this.cmdFindNext.RightToLeft = System.Windows.Forms.RightToLeft.No; this.cmdFindNext.Size = new System.Drawing.Size(116, 44); this.cmdFindNext.TabIndex = 19; this.cmdFindNext.Text = "Find Next"; this.cmdFindNext.TextAlign = System.Drawing.ContentAlignment.BottomCenter; this.cmdFindNext.Click += new System.EventHandler(this.cmdFindNext_Click); // // cmdFind // this.cmdFind.BackColor = System.Drawing.SystemColors.Control; this.cmdFind.Cursor = System.Windows.Forms.Cursors.Default; this.cmdFind.Font = new System.Drawing.Font("Arial", 8F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.cmdFind.ForeColor = System.Drawing.SystemColors.ControlText; this.cmdFind.ImageAlign = System.Drawing.ContentAlignment.TopCenter; this.cmdFind.Location = new System.Drawing.Point(586, 250); this.cmdFind.Name = "cmdFind"; this.cmdFind.RightToLeft = System.Windows.Forms.RightToLeft.No; this.cmdFind.Size = new System.Drawing.Size(116, 44); this.cmdFind.TabIndex = 18; this.cmdFind.Text = "Find"; this.cmdFind.TextAlign = System.Drawing.ContentAlignment.BottomCenter; this.cmdFind.Click += new System.EventHandler(this.cmdFind_Click); // // axArcReaderControl2 // this.axArcReaderControl2.Location = new System.Drawing.Point(8, 48); this.axArcReaderControl2.Name = "axArcReaderControl2"; this.axArcReaderControl2.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axArcReaderControl2.OcxState"))); this.axArcReaderControl2.Size = new System.Drawing.Size(536, 384); this.axArcReaderControl2.TabIndex = 22; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(835, 506); this.Controls.Add(this.axArcReaderControl2); this.Controls.Add(this.cmdFlicker); this.Controls.Add(this.cmdFlash); this.Controls.Add(this.cmdFindNext); this.Controls.Add(this.cmdFind); this.Controls.Add(this.cboLayers); this.Controls.Add(this.Label1); this.Controls.Add(this.Label6); this.Controls.Add(this.Label5); this.Controls.Add(this.Label3); this.Controls.Add(this.Label2); this.Controls.Add(this.cmdLoad); this.Controls.Add(this.txbPath); this.Name = "Form1"; this.Text = "Form1"; this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing); this.Load += new System.EventHandler(this.Form1_Load); ((System.ComponentModel.ISupportInitialize)(this.axArcReaderControl2)).EndInit(); this.ResumeLayout(false);
 } #endregion
 /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new Form1()); }
 private void Form1_Load(object sender, System.EventArgs e) { //Load button images // System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap (GetType().Assembly.GetManifestResourceStream(GetType(), "find.bmp")); // bitmap.MakeTransparent(System.Drawing.Color.Teal); // cmdFind.Image = bitmap; // cmdFindNext.Image = bitmap; cmdFindNext.Enabled = false; cmdFlash.Enabled = false; cmdFlicker.Enabled = false; }
 private void cmdFind_Click(object sender, System.EventArgs e) { cmdFindNext.Enabled = false; cmdFlash.Enabled = false; cmdFlicker.Enabled = false;
 //Determine whether a document is loaded if (axArcReaderControl2.CurrentViewType == esriARViewType.esriARViewTypeNone) { MessageBox.Show("You must load a document!"); return; }
 //Determine whether permission to search layers if (axArcReaderControl2.HasDocumentPermission(esriARDocumentPermissions.esriARDocumentPermissionsQueryFeatures) == false) { MessageBox.Show("You do not have permission to search for features!"); return; }
 //Get IARLayer interface int index = m_LayerCollection.IndexOfKey(cboLayers.SelectedItem.ToString()); IARLayer layer = (IARLayer) m_LayerCollection.GetByIndex(index);
 //Get string to search for from the user InputFormResult res = InputForm.ShowModal(this,"Enter a string to find: (The search is case sensitive)","Find", "");
 if (res.Result == DialogResult.Cancel) return; string sFind = res.InputString; if (sFind.Trim() == "") return;
 //Get IARFeatureCursor interface. Because there is no 'WhereClause' set //yet this feature cursor will conatin all the features in the layer. m_SearchDef = new ArcReaderSearchDefClass(); m_FeatureCursor = layer.SearchARFeatures(m_SearchDef); //Get IARFeature interface by looping to the first feature in the cursor m_Feature = m_FeatureCursor.NextARFeature();
 string sWhereClause = "";
 //Loop through the feature's fields to find the field names of any string //fields. Build up a 'WhereClause' using the field names and the users string. for (int i = 0; i <= m_Feature.FieldCount - 1; i++) { if (m_Feature.get_FieldType(i) == esriARFieldType.esriARFieldTypeString) { if (sWhereClause == "") { sWhereClause = m_Feature.get_FieldName(i) + " Like '" + sFind + "'"; } else { sWhereClause = sWhereClause + " OR " + m_Feature.get_FieldName(i) + " Like '" + sFind + "'"; } } }
 //Set the search definiton WhereClause m_SearchDef.WhereClause = sWhereClause; //Get IARFeatureCursor interface by searching the layer m_FeatureCursor = layer.SearchARFeatures(m_SearchDef); //Get IARFeature interface by looping to the first feature in the cursor m_Feature = m_FeatureCursor.NextARFeature();
 if (m_Feature == null) { MessageBox.Show("No features found!"); return; } else { m_Feature.ZoomTo(); axArcReaderControl2.ARPageLayout.FocusARMap.Refresh(true); cmdFindNext.Enabled = true; cmdFlash.Enabled = true; cmdFlicker.Enabled = true; } }
 private void cmdFindNext_Click(object sender, System.EventArgs e) { //Get IARFeature interface by looping to the next feature in the cursor m_Feature = m_FeatureCursor.NextARFeature();
 if (m_Feature == null) { MessageBox.Show("No more features found!"); cmdFindNext.Enabled = false; cmdFlash.Enabled = false; cmdFlicker.Enabled = false; } else { m_Feature.ZoomTo(); axArcReaderControl2.ARPageLayout.FocusARMap.Refresh(true); } }
 private void cmdFlash_Click(object sender, System.EventArgs e) { m_Feature.Flash(); }
 private void cmdFlicker_Click(object sender, System.EventArgs e) { m_Feature.Flicker(); }
 private void cmdLoad_Click(object sender, System.EventArgs e) { //Load the specified pmf if (txbPath.Text == "") { return; } if (axArcReaderControl2.CheckDocument(txbPath.Text) == true) { axArcReaderControl2.LoadDocument(txbPath.Text,""); } else { MessageBox.Show("This document cannot be loaded!"); } }
 private void DisplayLayerNames() { //Clear previous cboLayers.Items.Clear(); for (int i = 0; i <= m_LayerCollection.Count; i++) { m_LayerCollection.Remove((1)); }
 //Loop through each layer in the focus map for (int i = 0; i <= axArcReaderControl2.ARPageLayout.FocusARMap.ARLayerCount - 1; i++) { IARLayer layer = axArcReaderControl2.ARPageLayout.FocusARMap.get_ARLayer(i); if (layer.IsGroupLayer == false) { //If the layer is searchable add layer //to collection, and name to combo box if (layer.Searchable == true) { cboLayers.Items.Add(axArcReaderControl2.ARPageLayout.FocusARMap.get_ARLayer(i).Name); m_LayerCollection.Add(layer.Name, layer); } } else { //Loop though each layer in the group layer for (int j = 0; j <= layer.ARLayerCount - 1; j++) { //If the layer is searchable add layer //to collection, and name to combo box if (layer.get_ChildARLayer(j).Searchable == true) { cboLayers.Items.Add(layer.get_ChildARLayer(j).Name); m_LayerCollection.Add(layer.get_ChildARLayer(j).Name, layer.get_ChildARLayer(j) ); } } } }
 //Select the first layer in the combo box if (cboLayers.Items.Count != 0) { cmdFind.Enabled = true; cboLayers.SelectedIndex = 0; } else { cmdFind.Enabled = false; } }
 private void axArcReaderControl1_OnCurrentViewChanged(object sender, ESRI.ArcGIS.ArcReaderControl.IARControlEvents_OnCurrentViewChangedEvent e) { //Set the current tool to none selected if (axArcReaderControl2.CurrentViewType != esriARViewType.esriARViewTypeNone) { if (axArcReaderControl2.CurrentARTool != esriARTool.esriARToolNoneSelected) { axArcReaderControl2.CurrentARTool = esriARTool.esriARToolNoneSelected; } } }
 private void axArcReaderControl1_OnDocumentLoaded(object sender, ESRI.ArcGIS.ArcReaderControl.IARControlEvents_OnDocumentLoadedEvent e) { //Update layer list DisplayLayerNames(); }
 private void axArcReaderControl1_OnFocusARMapChanged(object sender, ESRI.ArcGIS.ArcReaderControl.IARControlEvents_OnFocusARMapChangedEvent e) { //Update layer list DisplayLayerNames(); }
 private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e) { //Release COM objects ESRI.ArcGIS.Utility.COMSupport.AOUninitialize.Shutdown(); } } } 这是例子的代码给你们附上, int index = m_LayerCollection.IndexOfKey(cboLayers.SelectedItem.ToString()); IARLayer layer = (IARLayer) m_LayerCollection.GetByIndex(index);到这里的时候出错了不知道哪里出了问题

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hahaaluo 路人甲注册日期2006-08-05 发帖数146 QQ 铜币591枚威望0点贡献值0点银元0个加关注写私信	2楼^# 发布于：2006-09-11 20:29 请各位都来看看帮帮忙呀小弟,谢过了~~~~~~~
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hsghxm

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注册日期2004-10-27
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发布于：2006-09-12 09:22

MSN:hsghxm@163.com QQ:4604052 (很少用,最好别加) Email:hsghxm@163.com 我的BOLG：http://www.gisempire.com/blog/user1/864/index.htm

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