在WPF中实现Silverlight相同的打印功能可以通过以下步骤完成:
以下是一个示例代码,演示如何在WPF中实现Silverlight相同的打印功能:
using System;
using System.Printing;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Media;
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void PrintButton_Click(object sender, RoutedEventArgs e)
{
PrintDialog printDialog = new PrintDialog();
if (printDialog.ShowDialog() == true)
{
PrintDocument printDocument = new PrintDocument();
printDocument.PrintPage += PrintDocument_PrintPage;
printDialog.PrintDocument(printDocument.DocumentPaginator, "Printing from WPF");
// Alternatively, you can use the following code to print without showing the print dialog:
// printDocument.Print("Printing from WPF");
}
}
private void PrintDocument_PrintPage(object sender, PrintPageEventArgs e)
{
// Create a VisualBrush with the WPF UI element to be printed
VisualBrush visualBrush = new VisualBrush(PrintContent);
// Calculate the printable area
Size printableAreaSize = new Size(e.PrintableAreaWidth, e.PrintableAreaHeight);
Rect printableAreaRect = new Rect(new Point(e.PrintableAreaOriginX, e.PrintableAreaOriginY), printableAreaSize);
// Set the destination rectangle for the printed content
Rect destinationRect = new Rect(new Point(0, 0), printableAreaSize);
// Draw the visual brush onto the print page
e.Graphics.DrawRectangle(visualBrush, null, destinationRect, printableAreaRect);
}
}
在上述示例中,PrintContent是要打印的WPF界面的可视元素,可以根据实际情况进行设置。
请注意,以上示例仅演示了如何在WPF中实现打印功能,具体的打印布局和样式可以根据需求进行自定义。另外,为了实现更复杂的打印需求,可能需要进一步了解WPF的打印机控制和页面布局相关的知识。
腾讯云相关产品和产品介绍链接地址:
领取专属 10元无门槛券
手把手带您无忧上云