By Nick Symmonds
ISBN-10: 1430208287
ISBN-13: 9781430208280
ISBN-10: 159059035X
ISBN-13: 9781590590355
GDI+ either wraps arcane API calls and extends them for far more uncomplicated use. Programmers now not need to make do with the conventional yet simplistic VB 6.0 drawing version, nor have they got to dig down into the GDI API so one can get any actual paintings performed. In GDI+, Microsoft has get a hold of an entire, yet nonetheless extensible, set of periods for all the .NET programmers drawing wishes.
GDI+ calls for diversified ideas than the home windows GDI API, because it is totally stateless. GDI+ Programming in C# and VB .NET starts off out with a proof of GDI+ and the way it pertains to GDI. The booklet then dives deep into the GDI+ namespaces and sessions. The e-book starts off with simple drawing within the early chapters after which explains in an comprehensible demeanour extra complicated drawing thoughts, together with paths, gradients, alpha blends, matrix operations, and adjustments.
Later chapters hide tips on how to paintings with bitmaps and different photos, in addition to complicated drawing and printing options. the ultimate chapters are dedicated to valuable tasks that express the subject material of the former chapters in real-world examples.
Throughout GDI+ Programming in C# and VB .NET, writer Nick Symmonds not just explains the various namespaces and sessions on the subject of GDI+, but additionally takes the time to hide the simplest practices of portraits programming. Woven during the publication are various examples that tie jointly assorted points of programming in .NET that educate programmers how one can get the absolute best pace and potency out in their code.
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Additional info for GDI+ Programming in C# and VB .NET
Example text
NET is an Int32. NET is defined as an Int64. NET-compatible language. Using Reflection Reflection is a method whereby you can get description information about an object. You can also use reflection to get information about a program. NET DLL. This is powerful stuff. It is also pretty insecure if you think about it. Reflection is worth a few chapters in itself, but I will concentrate on just one aspect of it here. NET is an object, I listed five methods common to all objects. One of those methods is GetType.
You cannot let that statement go by without trying to refute it! Here is the first thing I thought of when I was playing around with this concept: What about numbers? If everything is truly an object, I should be able to call, say, the ToString method of the base object. Try this. Open up a new console project in C# or VB. The code will be almost identical. My projects are called IsObject -vb and IsObject -c. I will show you the code for both. Your code should end up looking like Listing 1-6. Listing 1-6a.
9. Use the LineTo function to draw the third line. 10. Create a Pen object whose color is yellow. 11. Use the SelectObject function to tie the pen to the window you are drawing in. 12. Use the LineTo function to draw the last line. As you can see, you need to create a different Pen object for each line and you also need to select the pen into the device context each time you draw a line. " You could do that, and countless programmers have done it countless times over the years. In fact, Microsoft did this themselves with the Microsoft Foundation Class (MFC) Library.
GDI+ Programming in C# and VB .NET by Nick Symmonds
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