我想制作一个程序,如果启动了启动按钮,则打印“ Ah”,我尝试了这个:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace Spam_Spammer
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
while (true)
{
if (start.IsEnabled == false)
{
System.Diagnostics.Debug.WriteLine("Ah");
}
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
start.IsEnabled = false;
stop.IsEnabled = true;
check.IsEnabled = false;
spam_text.IsEnabled = false;
endpoint.IsEnabled = false;
}
private void Stop_Click(object sender, RoutedEventArgs e)
{
start.IsEnabled = true;
stop.IsEnabled = false;
check.IsEnabled = true;
spam_text.IsEnabled = true;
endpoint.IsEnabled = true;
}
}
}
但是当我启动程序时,看起来好像程序已启动,但实际的UI不在这里?有任何修复程序吗?
该窗口无法正常打开,因为它从未离开过其构造函数。您可以通过单击按钮将代码作为Task
运行,以免阻塞UI线程。
public partial class MainWindow : Window
{
static volatile bool running = false;
public MainWindow()
{
InitializeComponent();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
if (running)
return;
running = true;
Task.Run(() =>
{
while (running)
{
Debug.WriteLine("Running");
}
});
}
private void stop_Click(object sender, RoutedEventArgs e)
{
running = false;
}
}
注意Task.Run()
几乎立即返回(因此使调用方法完成),但是Task本身将继续运行。这样,您也不必完全禁用UI元素。