blob: 12154331ac4c4f2320d0ef5ebb3fd17b9750de1b (
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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
// --------------------------------------------------------------------------------------------------------------------
// <copyright file="Win32.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Win32 API calls
// </summary>
// <auto-generated>Disable Stylecop for this file </auto-generated>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Utilities
{
using System;
using System.Runtime.InteropServices;
using System.Windows.Threading;
/// <summary>
/// Win32 API calls
/// </summary>
public class Win32
{
/// <summary>
/// Used to force UI Thread.
/// </summary>
private static Action<Action> executor = action => action();
/// <summary>
/// Set the Foreground Window
/// </summary>
/// <param name="hWnd">
/// The h wnd.
/// </param>
/// <returns>
/// A Boolean true when complete.
/// </returns>
[DllImport("user32.dll")]
public static extern bool SetForegroundWindow(int hWnd);
/// <summary>
/// Lock the workstation
/// </summary>
[DllImport("user32.dll")]
public static extern void LockWorkStation();
/// <summary>
/// Exit Windows
/// </summary>
/// <param name="uFlags">
/// The u flags.
/// </param>
/// <param name="dwReason">
/// The dw reason.
/// </param>
/// <returns>
/// an integer
/// </returns>
[DllImport("user32.dll")]
public static extern int ExitWindowsEx(int uFlags, int dwReason);
/// <summary>
/// Memory Status EX Struct
/// </summary>
public struct MEMORYSTATUSEX
{
public int dwLength;
public int dwMemoryLoad;
public ulong ullTotalPhys;
public ulong ullAvailPhys;
public ulong ullTotalPageFile;
public ulong ullAvailPageFile;
public ulong ullTotalVirtual;
public ulong ullAvailVirtual;
public ulong ullAvailExtendedVirtual;
}
/// <summary>
/// Get the System Memory information
/// </summary>
/// <param name="lpBuffer">
/// The lp buffer.
/// </param>
/// <returns>
/// A boolean.
/// </returns>
[DllImport("kernel32.dll", SetLastError = true)]
public static extern bool GlobalMemoryStatusEx(ref MEMORYSTATUSEX lpBuffer);
/// <summary>
/// Generate a Console Ctrl Event
/// </summary>
/// <param name="sigevent">
/// The sigevent.
/// </param>
/// <param name="dwProcessGroupId">
/// The dw process group id.
/// </param>
/// <returns>
/// Bool true is success
/// </returns>
[DllImport("kernel32.dll", SetLastError = true)]
public static extern bool GenerateConsoleCtrlEvent(ConsoleCtrlEvent sigevent, int dwProcessGroupId);
/// <summary>
/// Console Ctrl Event
/// </summary>
public enum ConsoleCtrlEvent
{
/// <summary>
/// Ctrl - C
/// </summary>
CTRL_C = 0,
/// <summary>
/// Ctrl - Break
/// </summary>
CTRL_BREAK = 1,
/// <summary>
/// Ctrl - Close
/// </summary>
CTRL_CLOSE = 2,
}
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern EXECUTION_STATE SetThreadExecutionState(EXECUTION_STATE esFlags);
/// <summary>
/// Execution State
/// </summary>
[Flags]
public enum EXECUTION_STATE : uint
{
ES_SYSTEM_REQUIRED = 0x00000001,
ES_CONTINUOUS = 0x80000000,
ES_AWAYMODE_REQUIRED = 0x00000040
}
/// <summary>
/// Initializes static members of the <see cref="Win32"/> class.
/// </summary>
static Win32()
{
InitializeWithDispatcher();
}
/// <summary>
/// Prevent the system from sleeping
/// </summary>
public static void PreventSleep()
{
executor(
() => SetThreadExecutionState(
EXECUTION_STATE.ES_CONTINUOUS | EXECUTION_STATE.ES_SYSTEM_REQUIRED
| EXECUTION_STATE.ES_AWAYMODE_REQUIRED));
}
/// <summary>
/// Allow the system to sleep.
/// </summary>
public static void AllowSleep()
{
executor(() => SetThreadExecutionState(EXECUTION_STATE.ES_CONTINUOUS));
}
/// <summary>
/// Initializes the framework using the current dispatcher.
/// </summary>
public static void InitializeWithDispatcher()
{
var dispatcher = Dispatcher.CurrentDispatcher;
SetUIThreadMarshaller(action =>
{
if (dispatcher.CheckAccess())
action();
else dispatcher.Invoke(action);
});
}
/// <summary>
/// Sets a custom UI thread marshaller.
/// </summary>
/// <param name="marshaller">The marshaller.</param>
public static void SetUIThreadMarshaller(Action<Action> marshaller)
{
executor = marshaller;
}
}
}
|
