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GDI Programming Quick Start
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Based on Visual C . NET GDI Programming Quick Start GDI is an important engine in graphical programming, and it is also an important part of the .NET framework. The topic of this issue is comprehensive, meticulous introduction to GDI programming. I believe that for early, intermediate .NET enthusiasts, even for senior readers, maybe feel new knowledge from the article.
GDI foundation
GDI is a set of subsystems for Windows Series operating systems to perform paintings and other related graphics operations. In New Operating System Windows XP and Windows Server 2003, GDI has replaced GDI (graphics device interface). " " In GDI indicates that GDI is greatly improved relative to GDI, increasing new features, which is difficult to implement in GDI. GDI allows you to create an application independent of the device, that is, don't use the application that will run on what kind of hardware. >>>> Details
Bitmap and icon
The bitmap is a graphic object for displaying a picture on the form, which is a type in which the graphic object is used in various occasions. The icon is used to display graphics on the form object. Different, the bitmap can have any size required to have a form, while the size of the icon is limited. Bitmaps and icons are two basic objects of GDI . >>>> Detailed content bitmap one, create a bitmap 2, use bitmap icon 1, icon two, create icon three, use icon
Simple graphics
Any graphic can be broken down into several basic graphics, these graphics are: straight lines, circles and curves. GDI provides a method of constructing these basic graphics. >>>> Details Based on the line-based graphics 1, equilateral graphics two, line three, polygonal graphic graphics, ellipse and round two, pie chart three, arc-based graphic graphics 1, curve two, Beesier Third, series of Bethose, 4, closed curves
Brush
The painster is an object with color, graphical or mode, which is used to fill the interior of the graphics, which also means different paintings depending on the purpose. The .NET framework uses a different class in different namespace to support the painting, all the base classes of all paintings are the brush class, defined in the System :: Drawing namespace. >>>> Detailed content, solid painting 2. Grid brush three, texture painting four, gradient brush
