FredGrit

2026年10月1日

WPF CutomControl TemplateBinding command and ItemsSource as DependencyProperty

摘要： <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:loc 阅读全文

posted @ 2026-10-01 21:58 FredGrit 阅读(4) 评论(0) 推荐(0)

WPF KeyDown/MouseDown event control data populating as flag

摘要： Install-Package Microsoft.Xaml.Behaviors.WPF Install-Package newtonsoft.json <behavior:Interaction.Triggers> <behavior:EventTrigger EventName="MouseDo 阅读全文

posted @ 2026-10-01 20:58 FredGrit 阅读(5) 评论(0) 推荐(0)

WPF DataGrid show data from Postgresql

摘要： -- Table: public.geoboundaries-usa-adm1_simplified -- DROP TABLE IF EXISTS public."geoboundaries-usa-adm1_simplified"; CREATE TABLE IF NOT EXISTS publ 阅读全文

posted @ 2026-10-01 19:58 FredGrit 阅读(2) 评论(0) 推荐(0)

WPF filter datagrid column via TextBox ,Delay=500

摘要： Install-Package Newtonsoft.json <TextBox Grid.Column="1" FontSize="30" ToolTip="Search CategoryName" Text="{Binding CategoryKey,Mode=TwoWay,UpdateSour 阅读全文

posted @ 2026-10-01 18:55 FredGrit 阅读(4) 评论(0) 推荐(0)

2026年9月28日

WPF load data asynchronously from ASP.Net Core WebAPI in LAN

摘要： Install-Package newtonsoft.json //D:\C\WpfApp7\MainWindow.xaml <Window x:Class="WpfApp7.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xam 阅读全文

posted @ 2026-09-28 20:29 FredGrit 阅读(6) 评论(0) 推荐(0)

ASP.Net Core WebAPI plays as LAN server, other device can access data in the LAN

摘要： //D:\C\WebApplication3\Program.cs namespace WebApplication3 { public class Program { public static void Main(string[] args) { var builder = WebApplica 阅读全文

posted @ 2026-09-28 20:01 FredGrit 阅读(13) 评论(0) 推荐(0)

2026年9月27日

WPF canvas draw USA map include states boundary from PostgreSQL

摘要： 1.Load shape file in PostGIS SELECT * FROM public."geoboundaries-usa-adm1_simplified" order by shapename; 2.Read and draw geom data from PostgreSQL <W 阅读全文

posted @ 2026-09-27 19:29 FredGrit 阅读(4) 评论(0) 推荐(0)

WPF TreeViewItem style when mouseover, totally changes in foreground,fontweight,background via listen on treeviewitem

摘要： <Window x:Class="WpfApp5.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/200 阅读全文

posted @ 2026-09-27 12:30 FredGrit 阅读(5) 评论(0) 推荐(0)

WPF TemplateBinding is oneway and can't trigger change except at first, the alternative is to use Binding and relativesource

摘要： <ListBox Grid.Column="0" Grid.Row="1" ItemsSource="{TemplateBinding CategoryList}" SelectedItem="{TemplateBinding LbxSelectedItem}"/> The TemplateBind 阅读全文

posted @ 2026-09-27 10:42 FredGrit 阅读(4) 评论(0) 推荐(0)

2026年9月26日

WPF custom control TemplateBinding

摘要： //D:\C\WpfApp3\Models\Book.cs using System; using System.Collections.Generic; using System.Text; namespace WpfApp3.Models { public class Book { public 阅读全文

posted @ 2026-09-26 20:28 FredGrit 阅读(4) 评论(0) 推荐(0)

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