wpf samples

This blog will cover virtualization technologies in WPF.1. Data virtualization Typically, we say that virtualization means that the data source is not fully loaded, loading only the data that is currently needed for display to the user. This scenario reminds us of the data paging display, which requests the data based on the number of pages when the data for a particular page is needed.WPF did not provide support for the data virtualization primitive

I have been busy recently and haven't written WPF for many days. Today, we continue to go back to the previous topic: Data Processing in WPF. As mentioned above, by implementing INotifyPropertyChanged, we can change to make any CLR object support the binding source of WPF. However, INotifyPropertyChanged is usually only applied to a single class attribute. In pra

[Transfer events] WPF adds a lot of infrastructure on top of. NET simple event notifications. The design of the transfer event allows the event to work well with the element tree. After an event occurs, it can be automatically passed up and down in the visual tree and logic tree. We do not need to add any additional code. Passing events makes it unnecessary for us to focus too much on the visual tree, so encapsulation is very important for us to under

Continue to the same topic: Resources in WPF. This time I will try to analyze the resources in WPF from another perspective: Resource compilation behavior, and how to select appropriate types based on application needs. First, create a default WPF project and add an ICON resource to the project. After adding a resource, we can select the resource type, as shown

WPF Learning (4)-Additional attributes, wpf learning additional attributes After cool for one night, I am just watching the martial arts novels of the story of dog blood: No spam martial arts, only spam martial arts ...... There is another saying: You are a user, not a customer, and you have the right to use it. Identify yourself! No way. I have to learn from the good that the world says. From the usage pe

WPF vertical text and wpf text --- Restore content start --- I want to make a WPF text vertical layout. Used on the header of TabItem. The first is boring. 2. wpf Loader public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { string str

Start! WPF Custom Control (1) -- turntable menu, wpf Turntable I have been registering my garden account for six months. I have always wanted to write something, but I don't know where to write it. I have worked as an intern in a company in Wuxi in the last month. I mainly engaged in development related to WPF. Although I have never touched on

WPF arrows and wpf arrows Some time ago, the WPF arrows were used for work, after reference to Using WPF to Visualize a Graph with Circular Dependencies. Write a WPF arrow library. First, The main class relationships are as follows: (Image Excerpt from Go to the Shape Defin

Wpf enables the icon to be displayed on the system tray, and wpf icons on the system tray During the previous wpf operation, I wanted to display the program running icon in the taskbar. The result showed that the system tray of wpf is different from that of winform. The previous method did not work. Many of the informa

WPF Custom Control (1) -- dashboard design [1], wpf dashboard 0. speak nonsense I took over a new project and went back to PC development. There are many control libraries on the Internet, and there are also a lot of dashboard (gauge) functions, but I personally think the library is very bloated, and I plan to write a control library by myself, one is for learning, and the other is for projects. The followi

The underlying architecture of WPF, referenced assembly as shown in the following illustration: 　 The PresentationFramework, PresentationCore, and Milcore in the diagram are the main parts of the code for WPF. Of these components, there is only one unmanaged component –milcore. Milcore is written in unmanaged code to achieve tight integration with DirectX. All of the display in

I have written several articles about how to develop the ribbon toolbar in wpf4.ArticleThe WPF ribbon Control control library is used to develop a ribbon toolbar similar to the Office 2007 style. Of course, codeplex also provides the fluent ribbon Control Suite project to write the toolbar application of the office 2010 style.Program. In August 2, Microsoft officially released Microsoft ribbon for WPF. The

WPF core object model-class diagram and parsing, wpf Object Model DispatcherObject is a base class. by inheriting this class, you can obtain the Dispatcher object that accesses the UI thread that creates the object. Through the Dispatcher object, you can merge the code segment into the UI thread for execution. DependencyObject is the core base class used to implement the dependency attribute mechanism. D

WPF learning 06: the content of the conversion control is pictures that can be stored, and the wpf control In graphics software, we often use the "Save As image" function. This article describes how to convert the display content of the WPF control to an image. Example Save the displayed content as an image: Code: var bitmapRender = new RenderTargetBitmap((i

Original: WPF notes (1.10 Drawing)--hello,wpf!The code syntax in the book is obsolete and is rewritten as follows (test pass):Button>Button.layouttransform>ScaleTransform ScaleX="3"ScaleY="3"/>Button.layouttransform>StackPanel Orientation="Horizontal">Canvas Width=" -"Height=" -"VerticalAlignment="Center">Ellipse Canvas.Left="1"Canvas.Top="1"Width=" -"Height=" -"Fill="Yellow"Stroke="Black"/>Ellipse Canvas.L

1. Add two references:WindowsFormsIntegration.dll (responsible for integrating WPF and Windows), System.Windows.Forms.2. Add two references in the XAML file (Bold section):Windowx:class= "Crossbowdemo.mainwindow"Xmlns:wfi= "Clr-namespace:system.windows.forms.integration;assembly=windowsformsintegration"XMLNS:WF= "Clr-namespace:system.windows.forms;assembly=system.windows.forms"xmlns= "Http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x=

Learn about WPF-element binding and wpf Element BindingConceptExtract some information from the source object and use the information to set the attributes of the target object. Example ElementName Specify Source Element Path Attribute in the Source Element Mode OneWay: when the source attribute changes, update the target attribute TwoWay: when the source at

Share static properties for multiple windows in WPF and static properties for windows in wpf Because my DoubanFm needs to set a global CurrentSong after rethinking, this field should be known to all VMS, and I want to use it as the common attribute of all my VMS at the same time. In addition, I want to minimize code duplication and improve reuse. So I did the following: (below is my test in

WPF-XAML namespace (x :) language feature, wpf-xaml namespace Source from MSDN online documentation, link: http://technet.microsoft.com/zh-cn/library/ms753327.aspx X: Arguments command, link: http://msdn.microsoft.com/zh-cn/library/ee795382 (v = vs.110). aspx X: FactoryMethod command, link: http://msdn.microsoft.com/zh-cn/library/vstudio/ee795381.aspx/html The above two commands are not implemented by r

Original: WPF multi-touch development [2]:WPF Touch's execution order of several gesturesI said in front of the use of the simulator under Win7, debugging analog multi-touch, the actual development of this is also more troublesome.To get a few mouse.So more people will buy a touch condom on the display. This enables 2-point touch. There is no real touch screen expensive, the price is also relatively prefere