T he release of the .NET Framework has changed the programming landscape for Microsoft application developers. Graphics programming has been affected as much as any other area. Whereas the Windows Graphical Device Interface (GDI) was once used to draw to a device, the .NET Framework now gives us GDI+. GDI+ consists of a number of namespaces and classes, made available as part of the .NET Framework and designed specifically to allow developers to do custom drawing in web and Windows controls. Effectively acting as a wrapper around the old GDI, GDI+ provides an easy-to-understand, inheritance-based object model for use by .NET programmers. The increased level of usability of GDI+ may draw many more programmers into custom drawing. Those from a C++/Microsoft Foundation Classes (MFC) background will already be familiar with many of the approaches in GDI+. Programmers who worked with Visual Basic will find in GDI+ an accessible way to develop controls that augment those shipped with the .NET Framework. A substantial part of the .NET Framework base-class library falls under the GDI+ banner. This book concentrates on the areas and features of GDI+ that are relevant to programmers who are most likely to work with these classes; that is, programmers who want to develop custom controls.
Aimed at a business applications programmer and presenting designs and techniques useful in that environment, with provided information about the semantics of GDI+ (Graphical Device Interface), this volume is language agnostic, and the examples are written in C#. A good working knowledge of C# syntax and of the .NET Framework is assumed.
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