Image Viewing in VB.NET

Here is a detailed VB.NET sample for opening and displaying images with RasterEdge .NET Imaging SDK. (For C#.NET developers, please go to Image Viewing for C#.NET. Want to view Image and document in Winforms or Web applications, please go to View Images in Winforms and Web Document Image Viewing.) We also provide online RasterEdge.DocImageSDK Developer's Guide.pdf for convinent solution.

Start Visual Studio .NET (2005 or later version);
Begin a new project with programming language - VB.NET;
Add RasterEdge.DotNetImaging.dll to your VB.NET applications;
Add the appropriate Imports directive:

Imports System.IO
Imports RasterEdge.Imaging

Open a Single image or Multi-page Image

You may easily load single or multipage-image with following VB.NET codes:

Public Function SetAntiAliasing() As RasterEdgeImageStatus

Anti-aliasing

Users are allowed to remove alias when you view an image with following VB.NET codes:

Public Function SetAntiAliasing() As RasterEdgeImageStatus

Fit to Page

When you view an image, you may choose âFit to widthâ, âFit to heightâ or âFit to pageâ with with following VB.NET codes:

Public Function SetZoomHeightViewer() As RasterEdgeImageStatus
Public Function SetZoomWidthViewer() As RasterEdgeImageStatus
Public Function SetZoomViewer() As RasterEdgeImageStatus

Zoom In and Zoom Out

It is used for zooming in or zoomming out images as you wish. See the following code:

Public Function ZoomIN() As RasterEdgeImageStatus
Public Function ZoomOUT() As RasterEdgeImageStatus

Rotate

Rotate images to 90, 180, 270 degrees with following VB.NET codes:

Public Function Rotate(ByVal ImageID As Integer, ByVal Rotation As RotateAngle) As RasterEdgeImageStatus