About the Custom scene navigation commands Sample
[C#]
SelectGraphics.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("0BE878DB-6A85-4e40-BEB7-3488A64A51A7")]
public sealed class SelectGraphics : 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 SelectGraphics()
{
base.m_category = "Sample_SceneControl(C#)";
base.m_caption = "Select Graphics";
base.m_toolTip = "Select Graphics";
base.m_name = "Sample_SceneControl(C#)/SelectGraphics";
base.m_message = "Select graphics 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.select.bmp"));
}
m_pCursor = new System.Windows.Forms.Cursor(GetType().Assembly.GetManifestResourceStream("sceneTools.selectGraphics.cur"));
m_pSceneHookHelper = new SceneHookHelperClass ();
}
public override bool Enabled
{
get
{
if(m_pSceneHookHelper.Hook == null || m_pSceneHookHelper.Scene == null)
return false;
else
{
//Determine if there is a 3D graphics container
IScene pScene = (IScene) m_pSceneHookHelper.Scene;
if(pScene.ActiveGraphicsLayer is IGraphicsContainer3D)
return true;
else
return false;
}
}
}
public override void OnCreate(object hook)
{
m_pSceneHookHelper.Hook = hook;
}
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 = (ISceneGraph) m_pSceneHookHelper.SceneGraph;
IPoint pPoint;
object pOwner, pObject;
//Translate screen coordinates into a 3D point
pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, esriScenePickMode.esriScenePickGraphics, false,
out pPoint, out pOwner, out pObject);
IGraphicsSelection pGraphicsSelection;
if(pObject == null)
{
if(Shift == 0)
{
//Unselect selected graphics from the
//basic graphics layer and each layer
pGraphicsSelection = pSceneGraph.Scene.BasicGraphicsLayer as IGraphicsSelection ;
pGraphicsSelection.UnselectAllElements();
for(int i = 0; i < pSceneGraph.Scene.LayerCount - 1; i++)
{
ILayer pLayer = (ILayer) pSceneGraph.Scene.get_Layer(i);
pGraphicsSelection = pLayer as IGraphicsSelection ;
pGraphicsSelection.UnselectAllElements();
}
}
}
else
{
pGraphicsSelection = pOwner as IGraphicsSelection ;
//Unselect any selected graphics
if(Shift == 0)
pGraphicsSelection.UnselectAllElements();
//Select element
IElement pElement = (IElement) pObject;
pGraphicsSelection.SelectElement(pElement);
}
//Refresh the scene viewer
pSceneGraph.ActiveViewer.Redraw(false);
}
}
}
[Visual Basic .NET]
SelectGraphics.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(SelectGraphics.ClassId, SelectGraphics.InterfaceId, SelectGraphics.EventsId)> _
Public NotInheritable Class SelectGraphics
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 = "18563590-2592-4D8A-BD7C-4187A13E693E"
Public Const InterfaceId As String = "87D0B98E-BC10-4574-8F29-E75697505A8F"
Public Const EventsId As String = "23A96699-81F0-4ADC-A7B0-80B1D75E6A0C"
#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 Graphics"
MyBase.m_toolTip = "Select Graphics"
MyBase.m_name = "Sample_SceneControl(VB.NET)/SelectGraphics"
MyBase.m_message = "Select graphics by clicking"
'Load resources
Dim res() As String = GetType(SelectGraphics).Assembly.GetManifestResourceNames()
If res.GetLength(0) > 0 Then
MyBase.m_bitmap = New System.Drawing.Bitmap(GetType(SelectGraphics).Assembly.GetManifestResourceStream("SceneToolsVB.select.bmp"))
End If
m_pCursor = New System.Windows.Forms.Cursor(GetType(SelectGraphics).Assembly.GetManifestResourceStream("SceneToolsVB.selectGraphics.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
'Determine if there is a 3D graphics container
Dim pScene As IScene = CType(m_pSceneHookHelper.Scene, IScene)
If (TypeOf pScene.ActiveGraphicsLayer Is IGraphicsContainer3D) Then
Return True
Else
Return False
End If
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)
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.esriScenePickGraphics, False, pPoint, pOwner, pObject)
Dim pGraphicsSelection As IGraphicsSelection
If (pObject Is Nothing) Then
If (Shift = 0) Then
'Unselect selected graphics from the
'basic graphics layer and each layer
pGraphicsSelection = CType(pSceneGraph.Scene.BasicGraphicsLayer, IGraphicsSelection)
pGraphicsSelection.UnselectAllElements()
Dim i As Integer
For i = 0 To pSceneGraph.Scene.LayerCount - 1
Dim pLayer As ILayer = CType(pSceneGraph.Scene.get_Layer(i), ILayer)
pGraphicsSelection = CType(pLayer, IGraphicsSelection)
pGraphicsSelection.UnselectAllElements()
Next i
End If
Else
pGraphicsSelection = CType(pOwner, IGraphicsSelection)
'Unselect any selected graphics
If (Shift = 0) Then
pGraphicsSelection.UnselectAllElements()
'Select element
Dim pElement As IElement = CType(pObject, IElement)
pGraphicsSelection.SelectElement(pElement)
End If
End If
'Refresh the scene viewer
pSceneGraph.ActiveViewer.Redraw(False)
End Sub
End Class