Occurs when the user performs interactive zoom to rectangle of the image display.
public event EventHandler<RectangleInteractiveEventArgs> InteractiveZoomTo
Public Event InteractiveZoomTo As EventHandler(Of RectangleInteractiveEventArgs)
public:
event EventHandler<RectangleInteractiveEventArgs^>^ InteractiveZoomTo
The event handler receives an argument of type RectangleInteractiveEventArgs containing data related to this event. The following RectangleInteractiveEventArgs properties provide information specific to this event.
Property | Description |
---|---|
Bounds | Gets the bounds location for the current interactive rectangle mode. |
Cancel (Inherited from Leadtools.Windows.Controls.InteractiveEventArgs) | Gets or sets a value indicating whether the interactive mode should be canceled. |
Handled (Inherited from System.Windows.RoutedEventArgs) | |
OriginalSource (Inherited from System.Windows.RoutedEventArgs) | |
RoutedEvent (Inherited from System.Windows.RoutedEventArgs) | |
Source (Inherited from System.Windows.RoutedEventArgs) | |
Status (Inherited from Leadtools.Windows.Controls.InteractiveEventArgs) | Gets the current status of the interactive mode. |
Occurs when the InteractiveMode property is set to InteractiveMode.ZoomTo.
This example zooms the image when dragging a rectangle on the image. Also, it displays the contents of the InteractiveZoomTo event in the console.
Imports Leadtools.Windows.Controls
Private Sub viewer_InteractiveZoomTo(ByVal sender As Object, ByVal e As RectangleInteractiveEventArgs)
Console.WriteLine("InteractiveZoomTo: e.Rectangle {0}, e.Status {1}, e.Cancel {2}", e.Bounds, e.Status, e.Cancel)
End Sub
Public Sub BitmapSourceViewer_InteractiveZoomTo(ByVal viewer As ImageViewer)
viewer.InteractiveMode = InteractiveMode.ZoomTo
AddHandler viewer.InteractiveZoomTo, AddressOf viewer_InteractiveZoomTo
MessageBox.Show("Draw a rectangle with the mouse to cause a zoom")
' After you are done, you must remove the event handler as in below
'
' viewer.InteractiveZoomTo -= new ImageViewer.InteractiveZoomToEventHandler(viewer_InteractiveZoomTo);
End Sub
using Leadtools.Help;
using Leadtools.Windows.Controls;
private void viewer_InteractiveZoomTo(object sender, RectangleInteractiveEventArgs e)
{
Console.WriteLine("InteractiveZoomTo: e.Rectangle {0}, e.Status {1}, e.Cancel {2}", e.Bounds, e.Status, e.Cancel);
}
public void BitmapSourceViewer_InteractiveZoomTo(ImageViewer viewer)
{
viewer.InteractiveMode = InteractiveMode.ZoomTo;
viewer.InteractiveZoomTo +=new EventHandler<RectangleInteractiveEventArgs>(viewer_InteractiveZoomTo);
MessageBox.Show("Draw a rectangle with the mouse to cause a zoom");
// After you are done, you must remove the event handler as in below
//
// viewer.InteractiveZoomTo -= new ImageViewer.InteractiveZoomToEventHandler(viewer_InteractiveZoomTo);
}
using Leadtools.Help;
using Leadtools.Windows.Controls;
private void viewer_InteractiveZoomTo(object sender, RectangleInteractiveEventArgs e)
{
Console.WriteLine("InteractiveZoomTo: e.Rectangle {0}, e.Status {1}, e.Cancel {2}", e.Bounds, e.Status, e.Cancel);
}
public void BitmapSourceViewer_InteractiveZoomTo(ImageViewer viewer)
{
viewer.InteractiveMode = InteractiveMode.ZoomTo;
viewer.InteractiveZoomTo +=new EventHandler<RectangleInteractiveEventArgs>(viewer_InteractiveZoomTo);
MessageBox.Show("Draw a rectangle with the mouse to cause a zoom");
// After you are done, you must remove the event handler as in below
//
// viewer.InteractiveZoomTo -= new ImageViewer.InteractiveZoomToEventHandler(viewer_InteractiveZoomTo);
}
Imports Leadtools
Imports Leadtools.Windows.Controls
Private Sub viewer_InteractiveZoomTo(ByVal sender As Object, ByVal e As RectangleInteractiveEventArgs)
Console.WriteLine("InteractiveZoomTo: e.Rectangle {0}, e.Status {1}, e.Cancel {2}", e.Bounds, e.Status, e.Cancel)
End Sub
Public Sub BitmapSourceViewer_InteractiveZoomTo(ByVal viewer As ImageViewer)
viewer.InteractiveMode = InteractiveMode.ZoomTo
AddHandler viewer.InteractiveZoomTo, AddressOf viewer_InteractiveZoomTo
MessageBox.Show("Draw a rectangle with the mouse to cause a zoom")
' After you are done, you must remove the event handler as in below
'
' viewer.InteractiveZoomTo -= new ImageViewer.InteractiveZoomToEventHandler(viewer_InteractiveZoomTo);
End Sub
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Feedback: InteractiveZoomTo Event - Leadtools.Windows.Controls |
Introduction |
Help Version 19.0.2017.3.22
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