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