Leadtools.WinForms Namespace > Classes > RasterImageViewer > Methods > ZoomAtPoint Method

public virtual void ZoomAtPoint(  
   Point pt, 
   double scaleFactor 
) 

Public Overridable Sub ZoomAtPoint( _ 
   ByVal pt As Point, _ 
   ByVal scaleFactor As Double _ 
) 

public: 
virtual void ZoomAtPoint(  
   Point pt, 
   double scaleFactor 
) 

Imports Leadtools.WinForms 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Color 
Imports Leadtools.Drawing 
 
Private Shared Sub ZoomAtPointExample(ByVal viewer As RasterImageViewer) 
   ' Subscribe to the viewer click event 
   AddHandler viewer.MouseClick, AddressOf viewer_MouseClick 
End Sub 
Private Shared Sub viewer_MouseClick(ByVal sender As Object, ByVal e As MouseEventArgs) 
   ' Zoom in twice around the mouse coordinates 
   Dim viewer As RasterImageViewer = CType(sender, RasterImageViewer) 
   viewer.ZoomAtPoint(New Point(e.X, e.Y), 2.0) 
End Sub 

using Leadtools.WinForms; 
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Drawing; 
 
private static void ZoomAtPointExample(RasterImageViewer viewer) 
{ 
   // Subscribe to the viewer click event 
   viewer.MouseClick += viewer_MouseClick; 
} 
private static void viewer_MouseClick(object sender, MouseEventArgs e) 
{ 
   // Zoom in twice around the mouse coordinates 
   RasterImageViewer viewer = sender as RasterImageViewer; 
   viewer.ZoomAtPoint(new Point(e.X, e.Y), 2.0); 
} 

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Leadtools.WinForms Assembly