WPF open image and print as pdf file
//xaml <Window x:Class="WpfApp189.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:WpfApp189" mc:Ignorable="d" WindowState="Maximized" Title="MainWindow" Height="450" Width="800"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition/> </Grid.RowDefinitions> <StackPanel Grid.Row="0" Orientation="Horizontal"> <Button Content="Open Image" FontSize="20" Click="OnOpenImage" HorizontalAlignment="Center" Margin="4"/> <Button Content="Print Image" FontSize="20" Click="OnPrintImage" HorizontalAlignment="Center"/> </StackPanel> <Image x:Name="img" Grid.Row="1"/> </Grid> </Window> //cs using System; using System.Collections.Generic; using System.ComponentModel.Design.Serialization; using System.Diagnostics; using System.IO; 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; using System.Windows.Xps.Packaging; using System.Xml.Linq; using Microsoft.Win32; namespace WpfApp189 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } string imgFile = ""; private void OnOpenImage(object sender, RoutedEventArgs e) { var dlg = new OpenFileDialog() { Filter = "Image files|*.png;*.jpg;*.gif;*.bmp|All Files|*.*", Title = "Select image to open", InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) }; if(dlg.ShowDialog()==true) { img.Source = new BitmapImage(new Uri(dlg.FileName)); imgFile=dlg.FileName; } } private void OnPrintImage(object sender, RoutedEventArgs e) { if(File.Exists(imgFile)) { Process p = new Process(); p.StartInfo = new ProcessStartInfo() { CreateNoWindow = true, Verb = "print", FileName = imgFile }; p.Start(); } } } }
分类:
wpf
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