ZoomToRectangle Method

Summary

Zooms the image to the specified rectangle.

Syntax

C++

public virtual void ZoomToRectangle( 
   Rectangle rc 
)

  
Public Overridable Sub ZoomToRectangle( _ 
   ByVal rc As Rectangle _ 
)

public: 
virtual void ZoomToRectangle(  
   Rectangle rc 
)

Parameters

rc
The rectangle to which the image should be zoomed, in client coordinates.

Example

This example zooms to a 200x200 square in the center of the image .

using Leadtools.WinForms; 
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Drawing; 
 
public void RasterImageViewer_ZoomToRectangle(RasterImageViewer viewer) 
{ 
   int rectSize = 200; 
   int left = (viewer.ClientRectangle.Right - viewer.ClientRectangle.Left - rectSize) / 2; 
   int top = (viewer.ClientRectangle.Bottom - viewer.ClientRectangle.Top - rectSize) / 2; 
   Rectangle rcZoom = new Rectangle(left, top, rectSize, rectSize); 
   viewer.ZoomToRectangle(rcZoom); 
}

Imports Leadtools.WinForms 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.Color 
Imports Leadtools.Drawing 
 
Public Sub RasterImageViewer_ZoomToRectangle(ByVal viewer As RasterImageViewer) 
   Dim rectSize As Integer = 200 
   Dim left As Integer = (viewer.ClientRectangle.Right - viewer.ClientRectangle.Left - rectSize) \ 2 
   Dim top As Integer = (viewer.ClientRectangle.Bottom - viewer.ClientRectangle.Top - rectSize) \ 2 
   Dim rcZoom As Rectangle = New Rectangle(left, top, rectSize, rectSize) 
   viewer.ZoomToRectangle(rcZoom) 
End Sub