About the Custom scene navigation commands Sample
[C#]
SelectFeatures.cs
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(); } } }
[Visual Basic .NET]
SelectFeatures.vb
Imports ESRI.ArcGIS.Analyst3D Imports ESRI.ArcGIS.Carto Imports ESRI.ArcGIS.GeomeTry Imports ESRI.ArcGIS.Controls Imports ESRI.ArcGIS.ADF.BaseClasses Imports ESRI.ArcGIS.ADF.CATIDs Imports System.Runtime.InteropServices <ComClass(SelectFeatures.ClassId, SelectFeatures.InterfaceId, SelectFeatures.EventsId)> _ Public NotInheritable Class SelectFeatures Inherits BaseTool #Region "COM GUIDs" ' These GUIDs provide the COM identity for this class ' and its COM interfaces. If you change them, existing ' clients will no longer be able to access the class. Public Const ClassId As String = "24AADD40-4708-4B59-8F1F-3CC68FA510F6" Public Const InterfaceId As String = "93A59666-1479-47C2-96E2-A079ED988A47" Public Const EventsId As String = "9DD4B578-050E-418D-BE35-1B41572AC49D" #End Region #Region "COM Registration Function(s)" <ComRegisterFunction(), ComVisibleAttribute(False)> _ Public Shared Sub RegisterFunction(ByVal registerType As Type) ' Required for ArcGIS Component Category Registrar support ArcGISCategoryRegistration(registerType) 'Add any COM registration code after the ArcGISCategoryRegistration() call End Sub <ComUnregisterFunction(), ComVisibleAttribute(False)> _ Public Shared Sub UnregisterFunction(ByVal registerType As Type) ' Required for ArcGIS Component Category Registrar support ArcGISCategoryUnregistration(registerType) 'Add any COM unregistration code after the ArcGISCategoryUnregistration() call End Sub #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 Shared Sub ArcGISCategoryRegistration(ByVal registerType As Type) Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID) ControlsCommands.Register(regKey) End Sub ''' <summary> ''' Required method for ArcGIS Component Category unregistration - ''' Do not modify the contents of this method with the code editor. ''' </summary> Private Shared Sub ArcGISCategoryUnregistration(ByVal registerType As Type) Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID) ControlsCommands.Unregister(regKey) End Sub #End Region #End Region Private m_pCursor As System.Windows.Forms.Cursor Private m_pSceneHookHelper As ISceneHookHelper ' A creatable COM class must have a Public Sub New() ' with no parameters, otherwise, the class will not be ' registered in the COM registry and cannot be created ' via CreateObject. Public Sub New() MyBase.New() MyBase.m_category = "Sample_SceneControl(VB.NET)" MyBase.m_caption = "Select Features" MyBase.m_toolTip = "Select Features" MyBase.m_name = "Sample_SceneControl(VB.NET)/SelectFeatures" MyBase.m_message = "Select features by clicking" 'Load resources Dim res() As String = GetType(SelectFeatures).Assembly.GetManifestResourceNames() If res.GetLength(0) > 0 Then MyBase.m_bitmap = New System.Drawing.Bitmap(GetType(SelectFeatures).Assembly.GetManifestResourceStream("SceneToolsVB.SelectFeatures.bmp")) End If m_pCursor = New System.Windows.Forms.Cursor(GetType(SelectFeatures).Assembly.GetManifestResourceStream("SceneToolsVB.SelectFeatures.cur")) m_pSceneHookHelper = New SceneHookHelperClass End Sub Public Overrides Sub OnCreate(ByVal hook As Object) m_pSceneHookHelper.Hook = hook End Sub Public Overrides ReadOnly Property Enabled() As Boolean Get If (m_pSceneHookHelper.Hook Is Nothing Or m_pSceneHookHelper.Scene Is Nothing) Then Return False Else Dim pScene As IScene = CType(m_pSceneHookHelper.Scene, IScene) 'Disable if no layer If (pScene.LayerCount = 0) Then Return False End If 'Enable if any selectable layers Dim bSelectable As Boolean bSelectable = False Dim pEnumLayer As IEnumLayer pEnumLayer = pScene.Layers(Nothing, True) pEnumLayer.Reset() Dim pLayer As ILayer = CType(pEnumLayer.Next(), ILayer) 'Loop through the scene layers Do Until (pLayer Is Nothing) 'Determine if there is a selectable feature layer If TypeOf pLayer Is IFeatureLayer Then Dim pFeatureLayer As IFeatureLayer = CType(pLayer, IFeatureLayer) If (pFeatureLayer.Selectable = True) Then bSelectable = True Exit Do End If End If pLayer = pEnumLayer.Next() Loop Return bSelectable End If End Get End Property Public Overrides ReadOnly Property Cursor() As Integer Get Return m_pCursor.Handle.ToInt32() End Get End Property Public Overrides Function Deactivate() As Boolean Return True End Function Public Overrides Sub OnMouseUp(ByVal Button As Integer, ByVal Shift As Integer, ByVal X As Integer, ByVal Y As Integer) 'Get the scene graph Dim pSceneGraph As ISceneGraph = CType(m_pSceneHookHelper.SceneGraph, ISceneGraph) 'Get the scene Dim pScene As IScene = CType(m_pSceneHookHelper.Scene, IScene) Dim pPoint As IPoint = Nothing Dim pOwner As Object = Nothing, pObject As Object = Nothing 'Translate screen coordinates into a 3D point pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, esriScenePickMode.esriScenePickGeography, True, pPoint, pOwner, pObject) 'Get a selection environment Dim pSelectionEnv As ISelectionEnvironment pSelectionEnv = New SelectionEnvironmentClass If (Shift = 0) Then pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultNew 'Clear previous selection If (pOwner Is Nothing) Then pScene.ClearSelection() Return End If Else pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultAdd End If 'If the layer is a selectable feature layer If TypeOf pOwner Is IFeatureLayer Then Dim pFeatureLayer As IFeatureLayer = CType(pOwner, IFeatureLayer) If (pFeatureLayer.Selectable = True) Then 'Select by Shape pScene.SelectByShape(pPoint, pSelectionEnv, False) End If 'Refresh the scene viewer pSceneGraph.RefreshViewers() End If End Sub End Class