FredGrit

2024年7月16日

WPF read data from mysql and display via ADO.NET

摘要： //xaml <Window x:Class="WpfApp216.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/ 阅读全文

posted @ 2024-07-16 20:48 FredGrit 阅读(1) 评论(0) 推荐(0) 编辑

WPF ListBox'ItemSource depend on another ListBox's SelectedItem in mvvm

摘要： <ListBox Grid.Row="1" Grid.Column="0" ItemsSource="{Binding CountryList}" x:Name="countryLbx" DisplayMemberPath="CountryName"/> <TextBlock Text="State 阅读全文

posted @ 2024-07-16 11:33 FredGrit 阅读(2) 评论(0) 推荐(0) 编辑

WPF ListBox's itemsource depend on another listbox's selecteditem

摘要： //xaml <ListBox Grid.Row="1" Grid.Column="0" ItemsSource="{Binding}" x:Name="countryLbx" DisplayMemberPath="CountryName"/> <ListBox Grid.Row="1" Grid. 阅读全文

posted @ 2024-07-16 11:25 FredGrit 阅读(1) 评论(0) 推荐(0) 编辑

2024年7月14日

WPF generate rows and columns via C# dynamically

摘要： //xaml <Window x:Class="WpfApp214.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/ 阅读全文

posted @ 2024-07-14 19:04 FredGrit 阅读(2) 评论(0) 推荐(0) 编辑

WPF ListBox DataTemplate MenuItem MVVM

摘要： //xaml <Window x:Class="WpfApp212.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/ 阅读全文

posted @ 2024-07-14 17:23 FredGrit 阅读(3) 评论(0) 推荐(0) 编辑

2024年7月13日

WPF Canvas ZoomIn ZoomOut via set Background="Transparent"

摘要： <Canvas Grid.Column="1" Background="Transparent" x:Name="cvs" ClipToBounds="True" MouseWheel="cvs_MouseWheel" MouseDown="cvs_MouseDown" MouseUp="cvs_M 阅读全文

posted @ 2024-07-13 21:44 FredGrit 阅读(2) 评论(0) 推荐(0) 编辑

WPF canvas locate

摘要： //xaml <Window x:Class="WpfApp210.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/ 阅读全文

posted @ 2024-07-13 21:20 FredGrit 阅读(2) 评论(0) 推荐(0) 编辑

2024年7月12日

C# save image file as string file and convert string as image ,save as image file

摘要： private void ConvertImageToString() { byte[] bytesArr = File.ReadAllBytes(SelectedBk.ImgUrl); string imgBase64Str = Convert.ToBase64String(bytesArr); 阅读全文

posted @ 2024-07-12 17:54 FredGrit 阅读(2) 评论(0) 推荐(0) 编辑

WPF WebBrowser navigate to website via url and escape script error warning

摘要： Copy from https://www.iditect.com/faq/csharp/wpf-webbrowser-control--how-to-suppress-script-errors.html#:~:text=To%20suppress%20these%20script%20error 阅读全文

posted @ 2024-07-12 12:16 FredGrit 阅读(4) 评论(0) 推荐(0) 编辑

WPF display and host pdf via WebBrowser

摘要： //xaml <Window x:Class="WpfApp206.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/ 阅读全文

posted @ 2024-07-12 11:52 FredGrit 阅读(2) 评论(0) 推荐(0) 编辑

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