SendFileView.xaml.cs
4.0 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
/***********************************************
* CONFIDENTIAL AND PROPRIETARY
*
* The source code and other information contained herein is the confidential and exclusive property of
* ZIH Corp. and is subject to the terms and conditions in your end user license agreement.
* This source code, and any other information contained herein, shall not be copied, reproduced, published,
* displayed or distributed, in whole or in part, in any medium, by any means, for any purpose except as
* expressly permitted under such license agreement.
*
* Copyright ZIH Corp. 2018
*
* ALL RIGHTS RESERVED
***********************************************/
using System;
using System.IO;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using Zebra.Sdk.Comm;
using Zebra.Sdk.Printer;
using Zebra.Windows.DevDemo.Utils;
namespace Zebra.Windows.DevDemo.Demos.SendFile {
/// <summary>
/// Interaction logic for SendFileView.xaml
/// </summary>
public partial class SendFileView : UserControl {
public SendFileView() {
InitializeComponent();
}
private void SendFileToPrinter() {
string filePath = null;
Connection printerConnection = null;
Task.Run(() => {
try {
printerConnection = connectionSelector.GetConnection();
printerConnection.Open();
ZebraPrinter printer = ZebraPrinterFactory.GetInstance(printerConnection);
filePath = CreateDemoFile(printer.PrinterControlLanguage);
printer.SendFileContents(filePath);
} catch (ConnectionException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} catch (IOException e) {
MessageBoxCreator.ShowError(e.Message, "IO Error");
} catch (ZebraPrinterLanguageUnknownException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} catch (Exception e) {
MessageBoxCreator.ShowError(e.Message, "Send File Error");
} finally {
try {
if (printerConnection != null)
printerConnection.Close();
} catch (ConnectionException) { }
if (filePath != null) {
try {
new FileInfo(filePath).Delete();
} catch { }
}
SetSendFileButtonState(true);
}
});
}
private string CreateDemoFile(PrinterLanguage pl) {
string tempFilePath = $"{Path.GetTempPath()}TEST_ZEBRA.LBL";
using (FileStream tmpFile = new FileStream(tempFilePath, FileMode.Create)) {
byte[] configLabel = null;
if (pl == PrinterLanguage.ZPL) {
configLabel = Encoding.UTF8.GetBytes("^XA^FO17,16^GB379,371,8^FS^FT65,255^A0N,135,134^FDTEST^FS^XZ");
} else if (pl == PrinterLanguage.CPCL) {
string cpclConfigLabel = "! 0 200 200 406 1\r\n" + "ON-FEED IGNORE\r\n" + "BOX 20 20 380 380 8\r\n" + "T 0 6 137 177 TEST\r\n" + "PRINT\r\n";
configLabel = Encoding.UTF8.GetBytes(cpclConfigLabel);
}
tmpFile.Write(configLabel, 0, configLabel.Length);
tmpFile.Flush();
}
return new FileInfo(tempFilePath).FullName;
}
private void SendFileButton_Click(object sender, RoutedEventArgs e) {
try {
SetSendFileButtonState(false);
SendFileToPrinter();
} catch (Exception ex) {
MessageBoxCreator.ShowError(ex.Message, "Send File Error");
}
}
private void SetSendFileButtonState(bool state) {
Application.Current.Dispatcher.Invoke(() => {
sendFileButton.IsEnabled = state;
});
}
}
}