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Windows Presentation Foundation (WPF) is a free and open-source user interface framework for Windows-based desktop applications. WPF applications are based in .NET , and are primarily developed using C# and XAML .
It is the last 32-bit version of Visual Studio as later versions are only 64-bit. It is also the last version to support Windows 7 SP1, Windows 8.1 and Windows Server 2012 R2, with later versions requiring at least Windows 10 and Windows Server 2016.
Modal windows are prone to mode errors. [1] [2] [3] On the Web, they often show images in detail, such as those implemented by Lightbox library, or are used for hover ads. [4] [5] The opposite of modal is modeless. Modeless windows don't block the main window, so the user can switch their focus between them, treating them as palette windows.
An event requires an accompanied event handler that is made from a special delegate that in a platform specific library like in Windows Presentation Foundation and Windows Forms usually takes two parameters: sender and the event arguments. The type of the event argument-object derive from the EventArgs class that is a part of the CLI base library.
A typical text box is a rectangle of any size, possibly with a border that separates the text box from the rest of the interface. Text boxes may contain zero, one, or two scrollbars . Text boxes usually display a text cursor (commonly a blinking vertical line), indicating the current region of text being edited.
The Text Services Framework is designed to offer advanced language and word processing features to applications. It supports features such as multilingual support, keyboard drivers, handwriting recognition, speech recognition, as well as spell checking and other text and natural language processing functions.
C# satisfies the use-cases for these by providing anonymous delegates; see event handling for more about this. C# also provides a feature called anonymous types/classes, but it is rather different from Java's concept with the same name. It allows the programmer to instantiate a class by providing only a set of names for the properties the class ...
One of the largest changes to the Windows API was the transition from Win16 (shipped in Windows 3.1 and older) to Win32 (Windows NT and Windows 95 and up). While Win32 was originally introduced with Windows NT 3.1 and Win32s allowed use of a Win32 subset before Windows 95, it was not until Windows 95 that widespread porting of applications to ...