SelectFeatures.cs
// Copyright 2012 ESRI // // All rights reserved under the copyright laws of the United States // and applicable international laws, treaties, and conventions. // // You may freely redistribute and use this sample code, with or // without modification, provided you include the original copyright // notice and use restrictions. // // See the use restrictions. // using System; using ESRI.ArcGIS.Analyst3D; using ESRI.ArcGIS.Carto; using ESRI.ArcGIS.Geometry; using ESRI.ArcGIS.Controls; using ESRI.ArcGIS.ADF.BaseClasses; using ESRI.ArcGIS.ADF.CATIDs; using System.Runtime.InteropServices; namespace sceneTools { [ClassInterface(ClassInterfaceType.None)] [Guid("7B9ECCAC-4B67-4795-9E1E-1EAF7CC64CE4")] public sealed class SelectFeatures : BaseTool { #region COM Registration Function(s) [ComRegisterFunction()] [ComVisible(false)] static void RegisterFunction(Type registerType) { // Required for ArcGIS Component Category Registrar support ArcGISCategoryRegistration(registerType); // // TODO: Add any COM registration code here // } [ComUnregisterFunction()] [ComVisible(false)] static void UnregisterFunction(Type registerType) { // Required for ArcGIS Component Category Registrar support ArcGISCategoryUnregistration(registerType); // // TODO: Add any COM unregistration code here // } #region ArcGIS Component Category Registrar generated code /// <summary> /// Required method for ArcGIS Component Category registration - /// Do not modify the contents of this method with the code editor. /// </summary> private static void ArcGISCategoryRegistration(Type registerType) { string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID); ControlsCommands.Register(regKey); } /// <summary> /// Required method for ArcGIS Component Category unregistration - /// Do not modify the contents of this method with the code editor. /// </summary> private static void ArcGISCategoryUnregistration(Type registerType) { string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID); ControlsCommands.Unregister(regKey); } #endregion #endregion private System.Windows.Forms.Cursor m_pCursor; private ISceneHookHelper m_pSceneHookHelper; public SelectFeatures() { base.m_category = "Sample_SceneControl(C#)"; base.m_caption = "Select Features"; base.m_toolTip = "Select Features"; base.m_name = "Sample_SceneControl(C#)/SelectFeatures"; base.m_message = "Select features by clicking"; //Load resources string[] res = GetType().Assembly.GetManifestResourceNames(); if(res.GetLength(0) > 0) { base.m_bitmap = new System.Drawing.Bitmap(GetType().Assembly.GetManifestResourceStream("sceneTools.SelectFeatures.bmp")); } m_pCursor = new System.Windows.Forms.Cursor(GetType().Assembly.GetManifestResourceStream("sceneTools.SelectFeatures.cur")); m_pSceneHookHelper = new SceneHookHelperClass (); } public override void OnCreate(object hook) { m_pSceneHookHelper.Hook = hook; } public override bool Enabled { get { if(m_pSceneHookHelper.Hook == null || m_pSceneHookHelper.Scene == null) return false; else { IScene pScene = (IScene) m_pSceneHookHelper.Scene; //Disable if no layer if(pScene.LayerCount == 0) return false; //Enable if any selectable layers bool bSelectable = false; IEnumLayer pEnumLayer; pEnumLayer = pScene.get_Layers(null, true); pEnumLayer.Reset(); ILayer pLayer = (ILayer) pEnumLayer.Next(); //Loop through the scene layers do { //Determine if there is a selectable feature layer if(pLayer is IFeatureLayer) { IFeatureLayer pFeatureLayer = (IFeatureLayer) pLayer; if(pFeatureLayer.Selectable == true) { bSelectable = true; break; } } pLayer = pEnumLayer.Next(); } while(pLayer != null); return bSelectable; } } } public override int Cursor { get { return m_pCursor.Handle.ToInt32(); } } public override bool Deactivate() { return true; } public override void OnMouseUp(int Button, int Shift, int X, int Y) { //Get the scene graph ISceneGraph pSceneGraph = m_pSceneHookHelper.SceneGraph; //Get the scene IScene pScene = (IScene) m_pSceneHookHelper.Scene; IPoint pPoint; object pOwner, pObject; //Translate screen coordinates into a 3D point pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, esriScenePickMode.esriScenePickGeography, true, out pPoint, out pOwner, out pObject); //Get a selection environment ISelectionEnvironment pSelectionEnv; pSelectionEnv = new SelectionEnvironmentClass(); if(Shift == 0) { pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultNew; //Clear previous selection if(pOwner == null) { pScene.ClearSelection(); return; } } else pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultAdd; //If the layer is a selectable feature layer if(pOwner is IFeatureLayer) { IFeatureLayer pFeatureLayer = (IFeatureLayer) pOwner; if(pFeatureLayer.Selectable == true) { //Select by Shape pScene.SelectByShape(pPoint, pSelectionEnv, false); } } //Refresh the scene viewer pSceneGraph.RefreshViewers(); } } }