blob: 91815d6a7598b0dddc9dec43c60927160ff1bb0b (
plain)
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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved
//
//
// Abstract:
//
// This file contains an Adapter that wrap the PrinterExtensionManager COM Interop type.
//
using System;
using System.IO;
using System.Collections;
using System.Collections.Generic;
using System.Runtime;
using System.Runtime.InteropServices;
using Microsoft.Samples.Printing.PrinterExtension.Types;
namespace Microsoft.Samples.Printing.PrinterExtension
{
public class PrinterExtensionManager
{
public PrinterExtensionManager()
{
_manager = new PrinterExtensionLib.PrinterExtensionManager();
}
#region IPrinterExtensionManager methods
/// <summary>
/// Maps to COM IPrinterExtensionManager::DisableEvents
/// </summary>
public void DisableEvents()
{
_manager.DisableEvents();
}
/// <summary>
/// Maps to COM IPrinterExtensionManager::EnableEvents
/// </summary>
public void EnableEvents(Guid printerDriverId)
{
_manager.EnableEvents(printerDriverId);
}
/// <summary>
/// Maps to COM IPrinterExtensionEvent::OnDriverEvent
/// </summary>
public event EventHandler<PrinterExtensionEventArgs> OnDriverEvent
{
add
{
if (_onDriverEvent == null)
{
_manager.OnDriverEvent += OnDriverEventReceiver;
}
_onDriverEvent += value;
}
remove
{
_onDriverEvent -= value;
if (_onDriverEvent == null)
{
_manager.OnDriverEvent -= OnDriverEventReceiver;
}
}
}
/// <summary>
/// Maps to COM IPrinterExtensionEvent::OnPrinterQueuesEnumerated
/// </summary>
public event EventHandler<PrinterQueuesEnumeratedEventArgs> OnPrinterQueuesEnumerated
{
add
{
if (_onPrinterQueuesEnumerated == null)
{
_manager.OnPrinterQueuesEnumerated += OnPrinterQueuesEnumeratedReceiver;
}
_onPrinterQueuesEnumerated += value;
}
remove
{
_onPrinterQueuesEnumerated -= value;
if (_onPrinterQueuesEnumerated == null)
{
_manager.OnPrinterQueuesEnumerated -= OnPrinterQueuesEnumeratedReceiver;
}
}
}
#endregion
#region Implementation details
private void OnDriverEventReceiver(PrinterExtensionLib.IPrinterExtensionEventArgs pEventArgs)
{
if (_onDriverEvent != null)
{
_onDriverEvent(this, new PrinterExtensionEventArgs(pEventArgs));
}
}
private void OnPrinterQueuesEnumeratedReceiver(PrinterExtensionLib.IPrinterExtensionContextCollection contextCollection)
{
if (_onPrinterQueuesEnumerated != null)
{
_onPrinterQueuesEnumerated(this, new PrinterQueuesEnumeratedEventArgs(contextCollection));
}
}
private event EventHandler<PrinterExtensionEventArgs> _onDriverEvent;
private event EventHandler<PrinterQueuesEnumeratedEventArgs> _onPrinterQueuesEnumerated;
private PrinterExtensionLib.PrinterExtensionManager _manager;
#endregion
}
}
|
