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Windows PC users Windows 7 Service Pack 1 or Windows Windows Mac. Second Life Viewer. SkinPack Alienware Evolution. Alien Skin Eye Candy. Glass 2k. Aero Glass Mp3 Player. However, note that themes configure only the visual properties of a control and does not alter their runtime behaviour.

Here's is a typical example of a skin file:. All global themes that were released with Beta 1 can be found inside the. These files can help you understand the skin files better. Named skins define different layouts for two or more server controls with unique ID's. IDs can be defined in the same file or you can make different files with different ID's, it all depends on your personal approach and likings.

SkinID can be referenced to call named skins. Here is an example:. Themes can be dynamically applied to your application by adding a few lines of code. This will give users an option to select themes according to their taste. Bicycles Free. Bing Animals Free. Bing Fall Colors Free. Bing Fan Favorites - Landscapes Free.

Bing in Space Free. Bing Sunshine Free. Birds of Many Feathers Free. Botanical Garden by Chris Chung Free. Bountiful Cottage Gardens Free. Bridges in Autumn Free. Bridging the Gap Free. The Butterfly Free. Cactus Flowers Free.

Call of the Raven Free. Calligraphy Free. Candy Crush Wallpapers Free. Cats Anytime Free. Cats Everywhere Free. For now, I'll express an ASP. The major components of themes in ASP. As mentioned, a theme represents a collection of assignments in which the left part is a control property and the right part is a typed value. These settings are read from the theme file and are known only at run time. As it turns out, you have two basic ways to implement that—using reflection or via a dynamically generated theme object.

Personally, I have a love-hate relationship with. NET reflection. I love the flexibility that reflection provides, as much as I dislike the messy code it forces you to write.

Reflection-based code is often hard to read and maintain if you use it for purposes other than checking the metadata and the types of a given assembly. To set a property on a control using reflection, you must first get a PropertyDescriptor object for the property, then get a typed value for it, and make the assignment. However, consider the following snippet:. You know the property name—BackColor—and a string that represents the value to assign.

Using reflection, you must be able to transform "Color. Gainsboro" into an object of type Color. It is possible, but it is not trivial. Let's explore the alternate approach—code generation. Parsing is simpler and there's no runtime overhead because of code indirection and late binding. In the. When you add a Web reference to your project, Visual Studio. NET generates a source file and silently adds it to the project. When you compile the project, that file is compiled and merged with the resulting assembly.

A third possibility would be dynamic code generation. Dynamic code generation entails parsing and compiling the theme file at run time in much the same way as ASP. NET pages are processed by the runtime. This is how themes are implemented in ASP. I'll show how to implement this mechanism in ASP.

For now, let's go for static code generation Web-services style. To support themes in ASP. The theme name is the DataSet name and each table stores the settings for a particular control. You can save this file to any location on the server machine—for example, in a Themes folder below the root of the Web application. Settings in the theme file will be processed by a theme manager object—a custom class generated by parsing the theme file.

This class will contain code like the following for each skinned control:. During the page loading, the theme manager will invoke this class to override the default settings of the control, thus ensuring that each skinned control has the expected graphical attributes.

The System. CodeDom namespace contains a bunch of classes that you can use to easily create a code graph to render in either Visual Basic. NET or C. You outline the structure of the code you want to obtain and then render it in the language of choice. CodeDom classes let you indicate the type of statement you want and its parameters. When it comes to generating code, that abstract description is turned into the real syntax.

Figure 3 illustrates the source code of the command-line utility used to parse theme files into a C or Visual Basic class. The command line accepts up to three arguments—the file name, the language which defaults to Visual Basic , and the namespace which defaults to MsdnMag. A really simple CmdLineParser class is used to parse the arguments.

If you're looking for a more complete one, take a look at Command Line Parser Library. In addition to the schema of Figure 2 , you can use the following syntax, which is more compact:.

The theme compiler reads those settings in and produces a new class named after the root node of the theme. If the theme is rooted in a node named Flat, the resulting class will be FlatTheme. This class will inherit from a Theme base class defined in a companion assembly more on this in a moment. The class overrides one of the methods on the base class—Apply.

The following is the signature of the Apply method:. The Apply method takes a control and compares its actual type against all the skinned controls in the current theme. If the type of control matches one of the skinned types, all the settings defined in the theme are applied to the control.

Figure 4 shows the source code of the method that governs the code generation process.



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