最近有空了,调研了几个其他开源项目,大家的思路都比较一致,相机打开onvif协议推送rtsp视频流,本地通过ffmpeg进行视频转流,然后推送到wpf前端控件上。 unosquare/ffmediaelement: FFME: The Advanced WPF MediaElement (based on FFmpeg) (github.com) SuRGeoNix/Flyleaf: Media Player .NET Library for WinUI 3/ WPF...
最近有空了,调研了几个其他开源项目,大家的思路都比较一致,相机打开onvif协议推送rtsp视频流,本地通过ffmpeg进行视频转流,然后推送到wpf前端控件上。 unosquare/ffmediaelement: FFME: The Advanced WPF MediaElement (based on FFmpeg) (github.com) SuRGeoNix/Flyleaf: Media Player .NET Library for WinUI 3/ WPF...
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In a WPF application that uses the MVVM (Model-View-ViewModel) design pattern, the view model is the component that is responsible for handling the application's presentation logic and state. This means that the view's code-behind file should contain no code to handle events that are ...
<Window xmlns="https://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="https://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="assembly=FSharpOnly" Title="Sample F# WPF Application Written Only in F#" Height="100" Width="100" > <Grid> <TextBlock>Hello W...
WPF入门教程系列十一——依赖属性(一) WPF入门教程系列十五——WPF中的数据绑定(一) 添加ClickAction的实现 通过上面两步,我们将准备工具全部做完了,现在需要在.xmal文件中给Button按钮的Command属性绑定了一个方法叫做ClickSaveAction,DataGrid控件的SelectItem绑定MainWindowVM(ViewModel)中的AreaVM属性。
在WPF中使用LiveCharts生成动态的条形图表需要以下步骤。以下是详细的实例源代码: 步骤1: 引用LiveCharts库 首先,在项目中引用LiveCharts库。你可以通过NuGet包管理器来安装LiveCharts.Wpf: Install-Package LiveCharts.Wpf 步骤2: 创建WPF项目 创建一个新的WPF项目,确保已经在XAML文件中引用了LiveCharts的命名空间: ...
(MVVM是典型的WPF设计模式。 view通过命令将全部用户的输入传递给viewmodel。 view通过数据绑定从viewmodel中获得数据。model不了解viewmodel的情况,viewmodel不了解view的情况) Explaining MVVM through an example Let’s create a sample Patient Management Application using MVVM. Going step by step we must first de...
WPF implements the command concept via the ICommand interface. This is part of the Microsoft .NET Framework. This interface has two methods and an event: void Execute(object parameter)—This executes code when the command is invoked. bool CanExecute(object parameter)—This determines if the comma...
ASP.NET - Building a Simple Comet Application in the Microsoft .NET Framework StreamInsight - Taming the Event Stream: Fast Approximate Counting The Working Programmer - .NET Collections, Part 2: Working with C5 Windows Store Apps: A Guide for WPF and Silverlight Developers, Part 1 Test Run ...