本文實(shí)例為大家分享了WPF實(shí)現(xiàn)一個(gè)實(shí)時(shí)更新的進(jìn)度條，供大家參考，具體內(nèi)容如下
效果圖
xaml代碼
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<Window x:Class="ProgressBar.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:ProgressBar" mc:Ignorable="d" Title="MainWindow" Height="250" Width="400"> <Grid> <ProgressBar Name="progressBar" Minimum="1" Maximum="1000" Height="50"/> <Button Content="Done" VerticalAlignment="Bottom" HorizontalAlignment="Center" FontSize="20" Margin="10" Click="Button_Click"/> </Grid></Window> |
后臺(tái)代碼
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using System;using System.Windows;using System.Windows.Controls.Primitives;using System.Windows.Threading; namespace ProgressBar{ /// <summary> /// MainWindow.xaml 的交互邏輯 /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private delegate void UpdateProgressBarDelegate(DependencyProperty dp, object value); private void Button_Click(object sender, RoutedEventArgs e) { UpdateProgressBarDelegate updateProgressBaDelegate = new UpdateProgressBarDelegate(progressBar.SetValue); for (int i = (int)progressBar.Minimum; i <= (int)progressBar.Maximum; i++) { Dispatcher.Invoke(updateProgressBaDelegate, DispatcherPriority.Background, new object[] { RangeBase.ValueProperty, Convert.ToDouble(i) }); } } }} |
以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://blog.csdn.net/u012366767/article/details/85265306
