Create a Screen Saver with GDI+ You might think there’s something mysterious about a Microsoft Windows screen saver, but it’s really nothing more than a Windows application in disguise. You can easily build your own screen saver by creating...

 

Work with GDI+ to Manipulate Images This sample shows you how to manipulate images using GDI+, including changing the size of an image and rotating, zooming, and cropping an image. GDI+ provides new ways to work with images. This example illustrates several...

 

Work with GDI+ Text You might find it surprising that to display text on a form, PictureBox , or some other surface you need to draw it—but that’s exactly the way it is. This sample shows some of the many features available when using GDI+...

 

Work with GDI+ Brushes In the previous tutorial, we showed how .NET gives us easy access to GDI+ via a comprehensive set of classes and methods from the System.Drawing namespace. You saw that to draw you need a Graphics object and a Pen . In this sample,...

 

This sample demonstrates most of the features available when using the GDI+ Pen object, which you use to draw lines and shapes. In succeeding samples, we’ll look at working with brushes, text, images, screen savers, and animation. New Concepts To...

 

ASP.NET Authentication and Authorization ASP.NET has rich support for both authentication and role-based authorization built in. You can configure your ASP.NET application by assigning users and roles to each directory (application or subapplication)....

 

Windows Integrated Security You make a phone call to your bank to update your mailing address. You are greeted by the online phone system and wait patiently for the last of eight options, which is boldly announced as, “Please press 0 if you would...

 

Role-Based Authorization Key concepts in this article are: · Applying role-based security techniques to your applications · Using Microsoft Windows role-based security · Enabling or disabling application options depending on the user’s...

 

To begin with we will define the class and methods that will be required. var drag = { zindex: 0, add_element: function(inst) { }, drag_init: function(inst, event) { }, drag_end: function(inst, event) { }, drag_do: function(inst, event) { }, event: function(e)...

 

Data Access Namespaces Within the .NET framework class library (FCL) version 1.1, there are five third-level namespaces that provide access to an underlying database. These are System.Data.SqlClient, System.Data.SqlServerCE, System.Data.OracleClient,...