Download e-book for iPad: C# Design Patterns by James W. Cooper

By James W. Cooper

It is a functional booklet that explains tips on how to write C# courses utilizing the most universal layout styles. With the discharge of C# and visible Studio .NET, there's a new curiosity within the Microsoft improvement group in the various OO worlds key instruments, resembling UML and layout styles, which that they had ignored prior to. The publication covers each development pointed out in Gamma et als layout styles which might be in C#. for every trend, it begins with a quick verbal description, after which builds basic instance courses.

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Text = "Hello there"; In addition to the properties in Table 3-1, the TextBox also supports the properties in Table 3-2. CheckBox 6 7 A CheckBox can be either checked or not, depending on the value of the Checked property. You can set or interrogate this property in code as well as in the designer. You can create an event handler to catch the event when the box is checked or unchecked by double-clicking on the checkbox in the design mode. Button. When the appearance is set to the Button value, 37 Windows Controls Table 3-2 TextBox Properties Property Value Lines An array of strings, one per line Locked If true, you can’t type into the text box Multiline True or false ReadOnly Same as locked.

C# allows operator overloading. 5. C# introduces delegates and indexers. 6. C# has enumerated types. 7. C# has an unsafe mode, where it allows you to use pointers. 8. You must specifically declare that a method can be overridden and that a method overrides another one. 9. You cannot distinguish inheritance from implementing an interface from the declaration; they are both declared the same way. 10. The switch statement allows string variables. If there is no specific match, there must be a default case or an error will occur.

It uses a character coding system called Unicode, in which thousands of characters for most major written languages have been defined. You can convert between variable types in the usual ways. 6 7 6 7 Table 2-1 Data Types in C# bool true or false byte unsigned 8-bit value short 16-bit integer int 32-bit integer long 64-bit integer float 32-bit floating point double 64-bit floating point char 16-bit character string 16-bit characters Converting between Numbers and Strings 13 • Any wider data type can have a narrower data type (having fewer bytes) assigned directly to it, and the promotion to the new type will occur automatically.

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C# Design Patterns by James W. Cooper

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