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<Window x:Class="WpfApp134.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2 阅读全文
摘要：
<Window x:Class="WpfApp133.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2 阅读全文
摘要：
<Window x:Class="WpfApp133.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2 阅读全文
摘要：
<Window x:Class="WpfApp132.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2 阅读全文
摘要：
<Window x:Class="WpfApp118.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2 阅读全文
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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System 阅读全文
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//cs using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using S 阅读全文
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public class DelCmd : ICommand { public event EventHandler CanExecuteChanged { add { CommandManager.RequerySuggested += value; } remove { CommandManag 阅读全文
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System.InvalidOperationException: The calling thread cannot access this object because a different thread owns it. at System.Windows.Threading.Dispatc 阅读全文
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//xaml <Window x:Class="WpfApp110.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/ 阅读全文