About the Triangle graphic element Sample
[C#]
TriangleElementTool.cs
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.Connection.Local;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Controls;
using System.Windows.Forms;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Carto;
namespace TriangleElement
{
/// <summary>
/// Summary description for TriangleElementTool.
/// </summary>
[Guid("2d0c353b-2a0e-4fdf-90ae-fc8e1314a989")]
[ClassInterface(ClassInterfaceType.None)]
[ProgId("TriangleElement.TriangleElementTool")]
public sealed class TriangleElementTool : 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);
MxCommands.Register(regKey);
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);
MxCommands.Unregister(regKey);
ControlsCommands.Unregister(regKey);
}
#endregion
#endregion
private IHookHelper m_hookHelper = null;
public TriangleElementTool()
{
base.m_category = ".NET Samples";
base.m_caption = "Triangle Element";
base.m_message = "Add Triangle Element";
base.m_toolTip = "Add Triangle Element";
base.m_name = "TriangleElement_TriangleElementTool";
try
{
string bitmapResourceName = GetType().Name + ".bmp";
base.m_bitmap = new Bitmap(GetType(), bitmapResourceName);
base.m_cursor = new Cursor(GetType(), GetType().Name + ".cur");
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap");
}
}
#region Overriden Class Methods
/// <summary>
/// Occurs when this tool is created
/// </summary>
/// <param name="hook">Instance of the application</param>
public override void OnCreate(object hook)
{
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;
}
/// <summary>
/// Occurs when this tool is clicked
/// </summary>
public override void OnClick()
{
// TODO: Add TriangleElementTool.OnClick implementation
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
//set the color for the symbol's outline
IColor color = (IColor)ESRI.ArcGIS.ADF.Connection.Local.Converter.ToRGBColor(Color.Black);
//create the triangle outline symbol
ISimpleLineSymbol lineSymbol = new SimpleLineSymbolClass();
lineSymbol.Color = color;
lineSymbol.Style = esriSimpleLineStyle.esriSLSSolid;
lineSymbol.Width = 2.0;
//create the triangle's fill symbol
color = (IColor)Converter.ToRGBColor(Color.Gold);
color.Transparency = 50;
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = color;
simpleFillSymbol.Outline = (ILineSymbol)lineSymbol;
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSDiagonalCross;
//create a new triangle element
ITriangleElement triangleElement = new TriangleElementClass();
triangleElement.Angle = 40.0;
triangleElement.Size = 25;
triangleElement.FillSymbol = simpleFillSymbol;
//set the geometry of the element
IPoint point = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
IElement element = (IElement)triangleElement;
element.Geometry = (IGeometry)point;
//add the graphics element to the map
IGraphicsContainer graphicsContainer = (IGraphicsContainer)m_hookHelper.FocusMap;
graphicsContainer.AddElement(element, 0);
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public override void OnMouseMove(int Button, int Shift, int X, int Y)
{
// TODO: Add TriangleElementTool.OnMouseMove implementation
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
// TODO: Add TriangleElementTool.OnMouseUp implementation
}
#endregion
}
}
[Visual Basic .NET]
TriangleElementTool.vb
Imports Microsoft.VisualBasic
Imports System
Imports System.Drawing
Imports System.Runtime.InteropServices
Imports ESRI.ArcGIS.ADF.BaseClasses
Imports ESRI.ArcGIS.ADF.CATIDs
Imports ESRI.ArcGIS.Controls
Imports System.Windows.Forms
Imports ESRI.ArcGIS.Display
Imports ESRI.ArcGIS.Geometry
Imports ESRI.ArcGIS.Carto
''' <summary>
''' Summary description for TriangleElementTool.
''' </summary>
<Guid("2d0c353b-2a0e-4fdf-90ae-fc8e1314a989"), ClassInterface(ClassInterfaceType.None), ProgId("TriangleElement.TriangleElementTool")> _
Public NotInheritable Class TriangleElementTool
Inherits BaseTool
#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)
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)
MxCommands.Unregister(regKey)
ControlsCommands.Unregister(regKey)
End Sub
#End Region
#End Region
Private m_hookHelper As IHookHelper = Nothing
Public Sub New()
MyBase.m_category = ".NET Samples"
MyBase.m_caption = "Triangle Element"
MyBase.m_message = "Add Triangle Element"
MyBase.m_toolTip = "Add Triangle Element"
MyBase.m_name = "TriangleElement_TriangleElementTool"
Try
Dim bitmapResourceName As String = Me.GetType().Name & ".bmp"
MyBase.m_bitmap = New Bitmap(Me.GetType(), bitmapResourceName)
MyBase.m_cursor = New Cursor(Me.GetType(), Me.GetType().Name & ".cur")
Catch ex As Exception
System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap")
End Try
End Sub
#Region "Overridden Class Methods"
''' <summary>
''' Occurs when this tool is created
''' </summary>
''' <param name="hook">Instance of the application</param>
Public Overrides Sub OnCreate(ByVal hook As Object)
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
End Sub
''' <summary>
''' Occurs when this tool is clicked
''' </summary>
Public Overrides Sub OnClick()
' TODO: Add TriangleElementTool.OnClick implementation
End Sub
Public Overrides Sub OnMouseDown(ByVal Button As Integer, ByVal Shift As Integer, ByVal X As Integer, ByVal Y As Integer)
Dim c As IColor = CType(ESRI.ArcGIS.ADF.Connection.Local.Converter.ToRGBColor(Color.Black), IColor)
Dim lineSymbol As ISimpleLineSymbol = New SimpleLineSymbolClass()
lineSymbol.Color = c
lineSymbol.Style = esriSimpleLineStyle.esriSLSSolid
lineSymbol.Width = 2.0
c = CType(ESRI.ArcGIS.ADF.Connection.Local.Converter.ToRGBColor(Color.Gold), IColor)
Dim simpleFillSymbol As ISimpleFillSymbol = New SimpleFillSymbolClass()
simpleFillSymbol.Color = c
simpleFillSymbol.Outline = CType(lineSymbol, ILineSymbol)
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSDiagonalCross
Dim triangleElement As ITriangleElement = New TriangleElementClass()
triangleElement.Angle = 40.0
triangleElement.Size = 25
triangleElement.FillSymbol = simpleFillSymbol
Dim point As IPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y)
Dim element As IElement = CType(triangleElement, IElement)
element.Geometry = CType(point, IGeometry)
Dim graphicsContainer As IGraphicsContainer = CType(m_hookHelper.FocusMap, IGraphicsContainer)
graphicsContainer.AddElement(element, 0)
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, Nothing, Nothing)
End Sub
Public Overrides Sub OnMouseMove(ByVal Button As Integer, ByVal Shift As Integer, ByVal X As Integer, ByVal Y As Integer)
' TODO: Add TriangleElementTool.OnMouseMove implementation
End Sub
Public Overrides Sub OnMouseUp(ByVal Button As Integer, ByVal Shift As Integer, ByVal X As Integer, ByVal Y As Integer)
' TODO: Add TriangleElementTool.OnMouseUp implementation
End Sub
#End Region
End Class