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Thus, one can use threads without paying the cost of creation and disposal of threads. The following shows the basic code of the object pool design pattern implemented using C#. For brevity the properties of the classes are declared using C# 3.0 automatically implemented property syntax.
Event-driven programming is the dominant paradigm used in graphical user interfaces applications and network servers. In an event-driven application, there is generally an event loop that listens for events and then triggers a callback function when one of those events is detected.
Like the Qt framework's pseudo-C++ signal and slot, C# has semantics specifically surrounding publish-subscribe style events, though C# uses delegates to do so. C# offers Java-like synchronized method calls, via the attribute [MethodImpl(MethodImplOptions.Synchronized)], and has support for mutually-exclusive locks via the keyword lock.
Events are pointers that can point to multiple methods. More exactly they bind method pointers to one identifier. This can therefore be seen as an extension to delegates. They are typically used as triggers in UI development. The form used in C# and the rest of the Common Language Infrastructure is based on that in the classic Visual Basic.
A Windows Forms application is an event-driven application supported by Microsoft's .NET Framework. Unlike a batch program, it spends most of its time simply waiting for the user to do something, such as fill in a text box or click a button. The code for the application can be written in a .NET programming language such as C# or Visual Basic.
In component-based programming (Visual Basic, .NET WinForms, Gambas, Delphi, Lazarus etc.), a form is a representation of a GUI window. A form contains components and controls, typically including "OK" and "Cancel" buttons; these objects provide a high-level abstraction of standard or custom widgets which are typically much easier to manipulate than the GUI's underlying API.
Both C# and VB.NET have high adoption rates, and very active developer communities and Microsoft fully supports both communities. .NET framework developers widely use both VB.NET and C# as primary languages. [17] [18] However, C# has more community activity on the Internet and there are more books available for C#. This may indicate either that ...
XAML is used to define the layout, while C# is used to define the interactive behavior. In WPF, screens and other UI elements are defined using a pair of files: a XAML file and an associated C# file with the extension .xaml.cs, often referred to as a "code-behind". The XAML file declaratively defines the layout, contents and other properties of ...