About the Move a graphic along a path in ArcMap Sample
[C#]
cmdMoveGraphicAlongPath.cs
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Animation;
using ESRI.ArcGIS.ADF;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Framework;
namespace AnimationDeveloperSamples
{
[Guid("96EA1F27-4394-4997-ADC0-065792082D1D")]
[ClassInterface(ClassInterfaceType.None)]
[ProgId("AnimationDeveloperSamples.cmdMoveGraphicAlongPath")]
public sealed class cmdMoveGraphicAlongPath : BaseCommand
{
#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);
MxCommands.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);
MxCommands.Unregister(regKey);
}
#endregion
#endregion
private IHookHelper m_hookHelper = null;
private IAnimationExtension animExt;
public cmdMoveGraphicAlongPath()
{
//
// TODO: Define values for the public properties
//
base.m_category = "Animation Developer Samples"; //localizable text
base.m_caption = "Move Graphic along Path..."; //localizable text
base.m_message = "Move graphic along a selected line graphic or line feature"; //localizable text
base.m_toolTip = "Move graphic along path"; //localizable text
base.m_name = "AnimationDeveloperSamples_cmdMoveGraphicAlongPath"; //unique id, non-localizable (e.g. "MyCategory_MyCommand")
string[] res = GetType().Assembly.GetManifestResourceNames();
if (res.GetLength(0) > 0)
{
base.m_bitmap = new Bitmap(GetType().Assembly.GetManifestResourceStream(GetType(), "cmdMoveGraphicAlongPath.bmp"));
}
}
#region Overriden Class Methods
/// <summary>
/// Occurs when this command is created
/// </summary>
/// <param name="hook">Instance of the application</param>
public override void OnCreate(object hook)
{
if (hook == null)
return;
try
{
m_hookHelper = new HookHelperClass();
m_hookHelper.Hook = hook;
if (m_hookHelper.ActiveView == null)
m_hookHelper = null;
}
catch
{
m_hookHelper = null;
}
if (m_hookHelper == null)
base.m_enabled = false;
else
base.m_enabled = true;
if (hook is IApplication)
{
IApplication app = (IApplication)hook;
UID pUID = new UIDClass();
pUID.Value = "esriAnimation.AnimationExtension";
animExt = (IAnimationExtension)app.FindExtensionByCLSID(pUID);
}
}
public override void OnClick()
{
frmCreateGraphicTrackOptions optionsForm = new frmCreateGraphicTrackOptions();
IGeometry selectedPath = GetSelectedLineFeature();
IElement lineElement = (IElement)GetSelectedLineElement();
IElement selectedElement = GetSelectedPointElement();
optionsForm.lineFeature = selectedPath;
optionsForm.lineGraphic = (ILineElement)lineElement;
optionsForm.pointGraphic = selectedElement;
optionsForm.AnimationExtension = animExt;
optionsForm.RefreshPathSourceOptions();
optionsForm.ShowDialog();
}
public override bool Enabled
{
get
{
if (m_hookHelper != null)
{
IGeometry selectedPath = GetSelectedLineFeature();
IElement lineElement = (IElement)GetSelectedLineElement();
IElement selectedElement = GetSelectedPointElement();
if (selectedElement != null && (lineElement != null || selectedPath != null))
{
return true;
}
else
{
return false;
}
}
else
return false;
}
}
#endregion
#region private methods
private IGeometry GetSelectedLineFeature()
{
IMap pMap = m_hookHelper.FocusMap;
IEnumFeature enumFeature = (IEnumFeature)pMap.FeatureSelection;
IGeometry selectedPath = null;
IFeature pFeat = enumFeature.Next();
while (pFeat != null)
{
if (pFeat.Shape.GeometryType == esriGeometryType.esriGeometryPolyline)
{
selectedPath = (IGeometry)pFeat.Shape;
break;
}
pFeat = enumFeature.Next();
}
return selectedPath;
}
private IElement GetSelectedPointElement()
{
IMap activeFrame = m_hookHelper.FocusMap;
IGraphicsContainerSelect graphicsSel = activeFrame as IGraphicsContainerSelect;
IElement selectedElement = null;
IAGAnimationType graphicAnimationType = new AnimationTypeMapGraphic();
if (graphicsSel.ElementSelectionCount > 0)
{
IEnumElement enumElem = graphicsSel.SelectedElements;
selectedElement = enumElem.Next();
while (selectedElement != null)
{
if (graphicAnimationType.get_AppliesToObject(selectedElement))
break;
selectedElement = enumElem.Next();
}
}
else
{
selectedElement = null;
}
return selectedElement;
}
private ILineElement GetSelectedLineElement()
{
IMap activeFrame = m_hookHelper.FocusMap;
IGraphicsContainerSelect graphicsSel = activeFrame as IGraphicsContainerSelect;
IElement selectedElement = null;
ILineElement lineElement;
if (graphicsSel.ElementSelectionCount > 0)
{
IEnumElement enumElem = graphicsSel.SelectedElements;
selectedElement = enumElem.Next();
while (selectedElement != null)
{
if (selectedElement is ILineElement)
break;
selectedElement = enumElem.Next();
}
}
lineElement = (ILineElement)selectedElement;
return lineElement;
}
#endregion
}
}
[Visual Basic .NET]
cmdMoveGraphicAlongPath.vb
Imports Microsoft.VisualBasic
Imports System
Imports System.Drawing
Imports System.Runtime.InteropServices
Imports System.Windows.Forms
Imports ESRI.ArcGIS.ADF.BaseClasses
Imports ESRI.ArcGIS.ADF.CATIDs
Imports ESRI.ArcGIS.Animation
Imports ESRI.ArcGIS.ADF
Imports ESRI.ArcGIS.Carto
Imports ESRI.ArcGIS.Controls
Imports ESRI.ArcGIS.esriSystem
Imports ESRI.ArcGIS.SystemUI
Imports ESRI.ArcGIS.Geometry
Imports ESRI.ArcGIS.Geodatabase
Imports ESRI.ArcGIS.Display
Imports ESRI.ArcGIS.Framework
<Guid("64794603-561D-48A5-B0F1-286DC26ADFA6"), ClassInterface(ClassInterfaceType.None), ProgId("AnimationDeveloperSamples.cmdMoveGraphicAlongPath")> _
Public NotInheritable Class cmdMoveGraphicAlongPath : Inherits BaseCommand
#Region "COM Registration Function(s)"
<ComRegisterFunction(), ComVisible(False)> _
Private Shared Sub RegisterFunction(ByVal registerType As Type)
' Required for ArcGIS Component Category Registrar support
ArcGISCategoryRegistration(registerType)
'
' TODO: Add any COM registration code here
'
End Sub
<ComUnregisterFunction(), ComVisible(False)> _
Private Shared Sub UnregisterFunction(ByVal registerType As Type)
' Required for ArcGIS Component Category Registrar support
ArcGISCategoryUnregistration(registerType)
'
' TODO: Add any COM unregistration code here
'
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)
MxCommands.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)
MxCommands.Unregister(regKey)
End Sub
#End Region
#End Region
Private m_hookHelper As IHookHelper = Nothing
Private animExt As IAnimationExtension
Public Sub New()
'
' TODO: Define values for the public properties
'
MyBase.m_category = "Animation Developer Samples" 'localizable text
MyBase.m_caption = "Move Graphic along Path..." 'localizable text
MyBase.m_message = "Move graphic along a selected line graphic or line feature" 'localizable text
MyBase.m_toolTip = "Move graphic along path" 'localizable text
MyBase.m_name = "AnimationDeveloperSamples_cmdMoveGraphicAlongPath" 'unique id, non-localizable (e.g. "MyCategory_MyCommand")
Dim res As String() = Me.GetType().Assembly.GetManifestResourceNames()
If res.GetLength(0) > 0 Then
MyBase.m_bitmap = New Bitmap(Me.GetType().Assembly.GetManifestResourceStream(Me.GetType(), "cmdMoveGraphicAlongPath.bmp"))
End If
'Dim bitmapResourceName As String = Me.GetType().Name & ".bmp"
'MyBase.m_bitmap = New Bitmap(Me.GetType(), bitmapResourceName)
End Sub
#Region "Overridden Class Methods"
''' <summary>
''' Occurs when this command is created
''' </summary>
''' <param name="hook">Instance of the application</param>
Public Overrides Sub OnCreate(ByVal hook As Object)
If hook Is Nothing Then
Return
End If
Try
m_hookHelper = New HookHelperClass()
m_hookHelper.Hook = hook
If m_hookHelper.ActiveView Is Nothing Then
m_hookHelper = Nothing
End If
Catch
m_hookHelper = Nothing
End Try
If m_hookHelper Is Nothing Then
MyBase.m_enabled = False
Else
MyBase.m_enabled = True
End If
If TypeOf hook Is IApplication Then
Dim app As IApplication = CType(hook, IApplication)
Dim pUID As UID = New UIDClass()
pUID.Value = "esriAnimation.AnimationExtension"
animExt = CType(app.FindExtensionByCLSID(pUID), IAnimationExtension)
End If
End Sub
Public Overrides Sub OnClick()
Dim optionsForm As frmCreateGraphicTrackOptions = New frmCreateGraphicTrackOptions()
Dim selectedPath As IGeometry = GetSelectedLineFeature()
Dim lineElement As IElement = CType(GetSelectedLineElement(), IElement)
Dim selectedElement As IElement = GetSelectedPointElement()
optionsForm.lineFeature = selectedPath
optionsForm.lineGraphic = CType(lineElement, ILineElement)
optionsForm.pointGraphic = selectedElement
optionsForm.AnimationExtension = animExt
optionsForm.RefreshPathSourceOptions()
optionsForm.ShowDialog()
End Sub
Public Overrides ReadOnly Property Enabled() As Boolean
Get
If Not m_hookHelper Is Nothing Then
Dim selectedPath As IGeometry = GetSelectedLineFeature()
Dim lineElement As IElement = CType(GetSelectedLineElement(), IElement)
Dim selectedElement As IElement = GetSelectedPointElement()
If Not selectedElement Is Nothing AndAlso (Not lineElement Is Nothing OrElse Not selectedPath Is Nothing) Then
Return True
Else
Return False
End If
Else
Return False
End If
End Get
End Property
#End Region
#Region "private methods"
Private Function GetSelectedLineFeature() As IGeometry
Dim pMap As IMap = m_hookHelper.FocusMap
Dim enumFeature As IEnumFeature = CType(pMap.FeatureSelection, IEnumFeature)
Dim selectedPath As IGeometry = Nothing
Dim pFeat As IFeature = enumFeature.Next()
Do While Not pFeat Is Nothing
If pFeat.Shape.GeometryType = esriGeometryType.esriGeometryPolyline Then
selectedPath = CType(pFeat.Shape, IGeometry)
Exit Do
End If
pFeat = enumFeature.Next()
Loop
Return selectedPath
End Function
Private Function GetSelectedPointElement() As IElement
Dim activeFrame As IMap = m_hookHelper.FocusMap
Dim graphicsSel As IGraphicsContainerSelect = TryCast(activeFrame, IGraphicsContainerSelect)
Dim selectedElement As IElement = Nothing
Dim graphicAnimationType As IAGAnimationType = New AnimationTypeMapGraphic()
If graphicsSel.ElementSelectionCount > 0 Then
Dim enumElem As IEnumElement = graphicsSel.SelectedElements
selectedElement = enumElem.Next()
Do While Not selectedElement Is Nothing
If graphicAnimationType.AppliesToObject(selectedElement) Then
Exit Do
End If
selectedElement = enumElem.Next()
Loop
Else
selectedElement = Nothing
End If
Return selectedElement
End Function
Private Function GetSelectedLineElement() As ILineElement
Dim activeFrame As IMap = m_hookHelper.FocusMap
Dim graphicsSel As IGraphicsContainerSelect = TryCast(activeFrame, IGraphicsContainerSelect)
Dim selectedElement As IElement = Nothing
Dim lineElement As ILineElement
If graphicsSel.ElementSelectionCount > 0 Then
Dim enumElem As IEnumElement = graphicsSel.SelectedElements
selectedElement = enumElem.Next()
Do While Not selectedElement Is Nothing
If TypeOf selectedElement Is ILineElement Then
Exit Do
End If
selectedElement = enumElem.Next()
Loop
End If
lineElement = CType(selectedElement, ILineElement)
Return lineElement
End Function
#End Region
End Class