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C# Imaging - How to View and Operate Web Images

How to Operate File Image Online While Viewing in C#.NET Web Application

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C# Guide: View and Operate Web Images
Using RasterEdge .NET Web Document Viewer control, developers can easily insert a high quality image web viewer into their C# ASP.NET web applications. And this JavaScript based .NET web document image viewer control SDK owns various document and image viewing & processing functions. This page will mainly demonstrate how to operate images/pages while viewing a multi-page document file using this C#.NET web document image viewer SDK.
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This C#.NET Imaging Web Viewer component is a mature and flexible image and document web page handler which can be seamlessly integrated into users' C# ASP.NET applications. With this zero-footprint web document viewer, developers are capable of viewing, annotating and processing documents and images in most modern browsers, such as IE 7+, Firefox, Chrome, Safari and so on.
Following is a quick navigation of this C#.NET web document viewing & operating tutorial page.
  • Key operating features of this C#.NET web image viewer SDK
  • How to add or delete page to / from source document file using C# code
  • How to scroll file to previous or next page within web document image viewer
  • How to customize the page order when viewing source document file in ASP.NET web project
Web Image Viewer Operating Features in C# ASP.NET
  • Easy to open and load target image or document from web server into web page
  • Support multiple document and image formats, like PDF and TIFF
  • Thumbnail images will be automatically created once the source file is loaded to web document viewer
  • Offer different ways for C# developers to save & store edited document image file
  • Provide mature JavaScript APIs for web document page adding & deleting, page down and page up
  • Adjust the page order of source document file using mouse dragging in thumbnail preview section
  • Standard options for C#.NET users to choose best viewing size as they wish
Operate C# Web Images While Viewing
In the real life application, when viewing a web document image file, we may need to page up or page down. And sometimes, we even want to add or delete certain file page. All these functions are provided by our C#.NET web document image viewer control. To familiar with how to use these image viewing & operating functions, please read this part carefully.
One thing that needs to be noted here is that as this C#.NET web document image viewer control add-on adopts advanced HTML technology and mature JavaScript, file viewing & operating functions are controlled by designed JavaScript APIs. Therefore, we will explain file operating aspects by describing these JavaScript APIs respectively.

Add or Delete Web Page

Using the AddPage API, C# developers can add a new blank page prior to the currently displayed file page. And the DeletePage API enables developers to delete & remove the page that is currently displayed in web document image viewer.

Page Up or Page Down

If you want to page up, which means scrolling to the previous page, you can call this UpPage API. And if you need to scroll to the next page, you can use DownPage API.

Change Web Document Page Order

In your C#.NET project web document image viewer, you can easily achieve page re-arranging through mouse dragging in the image thumbnail preview.
In this online C#.NET file viewing & operating tutorial, we just explain the APIs that are used for manipulate file pages/images on HTML5 web document viewer. If you want to view demo codes for using file page operating APIs, please refer to the demo projects and developer guide that are located in the downloaded package.
More C#.NET Imaging Web Viewer SDK Functions


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