FredGrit

摘要： Copy from https://www.c-sharpcorner.com/blogs/wpf-logical-and-visual-trees1 WPF's hierarchical structure requires a new conceptual model of applicatio 阅读全文

摘要： Freezable—The base class for objects that can be “frozen” into a read-only state for performance reasons. Freezables, once frozen, can be safely share 阅读全文

摘要： //The xaml material named MainWin.xaml <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com 阅读全文

摘要： System.Windows.Markup.XamlParseException HResult=0x80131501 Message='Specified class name 'WpfApp268.MainWindow' doesn't match actual root instance ty 阅读全文

摘要： using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Text; using System.Threading; using Syste 阅读全文

摘要： //xaml <UserControl x:Class="WpfApp263.ELpTbk" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com 阅读全文

摘要： public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); var vm = new MainVM(this); this.DataContext = vm; } } public c 阅读全文

摘要： if(System.IO.File.Exists(imgPath)) { System.Diagnostics.Process.Start(imgPath); } //xaml <Window x:Class="WpfApp261.MainWindow" xmlns="http://schemas. 阅读全文

摘要： Install-Package ExcelDataReader using ExcelDataReader; using System.Text; using System.IO; namespace ConsoleApp50 { internal class Program { static vo 阅读全文

摘要： namespace ConsoleApp49 { internal class Program { static void Main(string[] args) { BTreeDemo(); Console.WriteLine("BTree!"); } static void BTreeDemo( 阅读全文