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AnnPointObject Class

Summary

Defines an annotation point object.

Remarks

The point object is a single point. This object works in two ways: If the value of ShowPicture is true; this object will draw the picture in Picture with CenterPoint as the center point. Stroke, StrokeBrush, Fill, FillBrush and Radius will be ignored. If ShowPicture is false; this object will draw an ellipse using Stroke, Fill and Radius around CenterPoint. This class implements the IAnnPicture interface and accesses the IAnnPicture.Picture property that handles the picture associated with the annotation object.

For more information, refer to Using Pictures in WPF Annotation Objects

For more information about the point annotation object refer to AnnPointObject for WPF. For more information about the automated point annotation object, refer to WPF Annotation Objects - Automated Features and WPF Automated Annotations - Point Tab.

Example

This example adds a new point object to a container.

C#
VB
Silverlight C#
Silverlight VB
using Leadtools.Windows.Controls; 
using Leadtools.Windows.Annotations; 
using Leadtools.Demos; 
using Leadtools.Help; 
 
private void AnnPointObject_AnnPointObject(ImageViewer viewer, AnnContainer container) 
{ 
   AnnPointObject point = new AnnPointObject(); 
   point.CenterPoint = new Point(100, 100); 
   point.ShowPicture = true; 
   // default picture, no need to change anything 
   container.Children.Add(point); 
 
   MessageBox.Show("Picture"); 
 
   // show with a radius 
   point.Radius = 16.0; 
   point.Stroke = Colors.Red; 
   point.StrokeThickness = 1.0; 
   point.ShowPicture = false; 
 
   MessageBox.Show("No picture"); 
} 
Imports Leadtools.Windows.Controls 
Imports Leadtools.Windows.Annotations 
 
Private Sub AnnPointObject_AnnPointObject(ByVal viewer As ImageViewer, ByVal container As AnnContainer) 
   Dim point As AnnPointObject = New AnnPointObject() 
   point.CenterPoint = New System.Windows.Point(100, 100) 
   point.ShowPicture = True 
   ' default picture, no need to change anything 
   container.Children.Add(point) 
 
   MessageBox.Show("Picture") 
 
   ' show with a radius 
   point.Radius = 16.0 
   point.Stroke = Colors.Red 
   point.StrokeThickness = 1.0 
   point.ShowPicture = False 
 
   MessageBox.Show("No picture") 
End Sub 
using Leadtools.Windows.Controls; 
using Leadtools.Windows.Annotations; 
using Leadtools.Examples; 
//using Leadtools.Help; 
 
private void AnnPointObject_AnnPointObject(ImageViewer viewer, AnnContainer container) 
{ 
   AnnPointObject point = new AnnPointObject(); 
   point.CenterPoint = new Point(100, 100); 
   point.ShowPicture = true; 
   // default picture, no need to change anything 
   container.Children.Add(point); 
 
   MessageBox.Show("Picture"); 
 
   // show with a radius 
   point.Radius = 16.0; 
   point.Stroke = Colors.Red; 
   point.StrokeThickness = 1.0; 
   point.ShowPicture = false; 
 
   MessageBox.Show("No picture"); 
} 
Imports Leadtools.Windows.Controls 
Imports Leadtools.Windows.Annotations 
 
Private Sub AnnPointObject_AnnPointObject(ByVal viewer As ImageViewer, ByVal container As AnnContainer) 
   Dim point As AnnPointObject = New AnnPointObject() 
   point.CenterPoint = New Point(100, 100) 
   point.ShowPicture = True 
   ' default picture, no need to change anything 
   container.Children.Add(point) 
 
   MessageBox.Show("Picture") 
 
   ' show with a radius 
   point.Radius = 16.0 
   point.Stroke = Colors.Red 
   point.StrokeThickness = 1.0 
   point.ShowPicture = False 
 
   MessageBox.Show("No picture") 
End Sub

Requirements

Target Platforms

Help Version 19.0.2017.10.27
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