CHAPTER 3 CREATING AN APPLICATION S USER INTERFACE (Web design careers)
CHAPTER 3 CREATING AN APPLICATION S USER INTERFACE Figure 3-42. An example of the Separator control, as shown on Linux The Serial Control The Serial control provides you with the capability to create applications that can communicate with other applications or devices by sending and receiving messages over the computer s serial port. While the Serial control does provide your applications with functionality, it is invisible to the user. The ServerSocket Control The ServerSocket control provides you with the capability to create web server applications capable of handling thousand of simultaneous incoming TCP/IP connections over a single port. While the ServerSocket control does provide your applications with functionality, it is invisible to the user. The Slider Control The Slider control, as seen in Figure 3-43, provides you with the capability to accept user input provided when the user drags the slider and moves it to a new location on the slider bar. You can display the Slider control horizontally or vertically. Figure 3-43. An example of the Slider control, as shown on Mac OS X The SpotlightQuery Control The SpotlightQuery control is a Mac OS X-specific (Mac OS X 10.4 or higher) control that provides you with the capability to accept and pass on user queries to Spotlight, and then display any returned results. While the SpotlightQuery control does provide your applications with functionality, it is invisible to the user. Note Spotlight is a Mac OS X feature that uses metadata to assist users in performing searches. The SpriteSurface Control The SpriteSurface control provides you with the capability to produce animated effects using sprites. A sprite is an object with a picture that can be moved around the screen via program code. The SpriteSurface control is responsible for handling all drawing operations and for informing your application code when collisions occur.
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