FredGrit

2025年10月2日

WPF Prism IModule,IEventAggregaor GetEvent Publish Subscribe

摘要： Install-Package Prism.DryIOC; Install-Package Prism.Wpf; //BookModule using BookModule.Services; using BookModule.ViewModels; using BookModule.Views; 阅读全文

posted @ 2025-10-02 16:46 FredGrit 阅读(8) 评论(0) 推荐(0)

2025年9月30日

WPF Prism IEventAggregator GetEvent<T>().Publish IEventAggregator.GetEvent<T>().Subscribe

摘要： Install-Package Prism.Wpf; Install-Package Prism.Unity; public class ViewBViewModel:BindableBase { ITimeService timeService; IGuidService guidService; 阅读全文

posted @ 2025-09-30 16:36 FredGrit 阅读(8) 评论(0) 推荐(0)

C# invoke C++ method

摘要： 1. Platform Invocation (P/Invoke) Set C++ project as dll, compile, copy compiled c++ dll to C# bin/debug matched location //C++ // ConsoleApplication1 阅读全文

posted @ 2025-09-30 10:57 FredGrit 阅读(10) 评论(0) 推荐(0)

2025年9月29日

WPF Prism module IModuleCatalog Add Module

摘要： Install-Package Prism.Unity; Install-Package Prism.Wpf; //D:\C\WpfApp20\WpfApp20\App.xaml <prism:PrismApplication x:Class="WpfApp20.App" xmlns="http:/ 阅读全文

posted @ 2025-09-29 21:15 FredGrit 阅读(5) 评论(0) 推荐(0)

WPF attached property register on another static class and used on another class, property changed based on attached property via OnMetdata changed

摘要： An Attached Property is a special, XAML-centric concept that is, under the hood, a Dependency Property. It allows a child element to specify a value f 阅读全文

posted @ 2025-09-29 18:52 FredGrit 阅读(8) 评论(0) 推荐(0)

2025年9月28日

WPF Canvas mark triangle, circle, and retangle, then save the whole canvas as jpg file

摘要： Install-Package Wpf.Prism; private void SaveAsJpgCommandExecuted() { var dpi=VisualTreeHelper.GetDpi(this); RenderTargetBitmap rtb=new RenderTargetBit 阅读全文

posted @ 2025-09-28 14:27 FredGrit 阅读(10) 评论(0) 推荐(0)

2025年9月27日

WPF Canvas draw circle,triangle,rectangle such as mark

摘要： //Window.xaml <Window x:Class="WpfApp15.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsof 阅读全文

posted @ 2025-09-27 21:54 FredGrit 阅读(29) 评论(0) 推荐(0)

WPF draw triangle, add right button contextmenu and menuitem method,save triangle as jpeg,via rendertargetment, DrawingContext StreamGeometry,StreamGeometryContext

摘要： private void SaveTriangleAsPicture() { if (triangle == null) { MessageBox.Show("No triangle to save!"); return; } try { SaveFileDialog dialog = new Sa 阅读全文

posted @ 2025-09-27 21:06 FredGrit 阅读(9) 评论(0) 推荐(0)

WPF draw triangle and add contextmenu, menuitem programmatically

摘要： private void DrawTriangleInCanvas() { try { triangle = new Polygon() { Stroke = Brushes.Black, StrokeThickness = 3, Fill = Brushes.Red }; double heigh 阅读全文

posted @ 2025-09-27 20:45 FredGrit 阅读(4) 评论(0) 推荐(0)

WPF Prism register interface and service, view and viewmodel, IRegionManager, RequestNavigate

摘要： Install-Package Prism.DryIOC; Install-Package Prism.Wpf;Install-Package Microsoft.Xaml.Behaviors.WPF; //App.xaml <prism:PrismApplication x:Class="WpfA 阅读全文

posted @ 2025-09-27 18:53 FredGrit 阅读(11) 评论(0) 推荐(0)

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