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IGraphicProperties.Callout Property (ArcObjects .NET 10.4 SDK)
ArcObjects Library Reference (Controls)  

IGraphicProperties.Callout Property

The callout symbol used by the CommandsEnvironment singleton.

[Visual Basic .NET]
Public Property Callout As IFormattedTextSymbol
[C#]
public IFormattedTextSymbol Callout {get; set;}
[C++]
HRESULT get_Callout(
  IFormattedTextSymbol** ppCallout
);
[C++]
HRESULT put_Callout(
  IFormattedTextSymbol* ppCallout
);
[C++]

Parameters ppCallout [out, retval]
ppCallout is a parameter of type IFormattedTextSymbol ppCallout [in]
ppCallout is a parameter of type IFormattedTextSymbol

Product Availability

Available with ArcGIS Engine.

Description

The Callout used by the IHookActions methods. By default the Callout is black, and size 10 using the 'Arial' font. 

[C#]

using System;
using System.Windows.Forms;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;

namespace TestApp
{
    public sealed partial class MainForm : Form
    {
        private CommandsEnvironmentClass m_CommandsEnvironment=new CommandsEnvironmentClass();
        
        private void MainForm_Load(object sender, EventArgs e)
        {
            //Set buddy control
            axToolbarControl1.SetBuddyControl(axMapControl1);

            //Set the default callout to be a solid, red, rectangle
                                                                                                                                        
            IRgbColor color=new RgbColorClass();
            color.Red=255;

            IFillSymbol fillSym=new SimpleFillSymbolClass();
            fillSym.Color=color;
           
            IBalloonCallout ballonCallout=new BalloonCalloutClass();
            ballonCallout.Style=esriBalloonCalloutStyle.esriBCSRoundedRectangle;
            ballonCallout.Symbol=fillSym;
            IFormattedTextSymbol formattedTextSym=new TextSymbolClass();
            formattedTextSym.Background=ballonCallout as ITextBackground;

            IGraphicProperties graphicProps=m_CommandsEnvironment as IGraphicProperties;
            graphicProps.Callout=formattedTextSym;
        }
    }
}

 

[Visual Basic .NET]

Imports ESRI.ArcGIS.esriSystem
Imports ESRI.ArcGIS.Controls
Imports ESRI.ArcGIS.Display

Public Class MainForm
  
    Private m_CommandsEnvironment As CommandsEnvironment=New CommandsEnvironment()

    Private Sub MainForm_Load(ByVal sender As System.Object, ByVal e As EventArgs) Handles MyBase.Load
       
        'Set buddy control
        axToolbarControl1.SetBuddyControl(axMapControl1)

        'Set the default callout to be a solid, red, rectangle 
        Dim color As IRgbColor=New RgbColorClass
        color.Red=255

        Dim fillSym As IFillSymbol=New SimpleFillSymbolClass
        fillSym.Color=color

        Dim ballonCallout As IBalloonCallout=New BalloonCalloutClass
        ballonCallout.Style=esriBalloonCalloutStyle.esriBCSRoundedRectangle
        ballonCallout.Symbol=fillSym
        Dim formattedTextSym As IFormattedTextSymbol=New TextSymbolClass
        formattedTextSym.Background=CType(ballonCallout, ITextBackground)
        Dim graphicProps As IGraphicProperties=CType(m_CommandsEnvironment, IGraphicProperties)
        graphicProps.Callout=formattedTextSym

    End Sub

End Class

See Also

IGraphicProperties Interface