diff options
Diffstat (limited to 'win/CS/HandBrake.ApplicationServices/Utilities/Win32.cs')
| -rw-r--r-- | win/CS/HandBrake.ApplicationServices/Utilities/Win32.cs | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/win/CS/HandBrake.ApplicationServices/Utilities/Win32.cs b/win/CS/HandBrake.ApplicationServices/Utilities/Win32.cs new file mode 100644 index 000000000..892c4bcad --- /dev/null +++ b/win/CS/HandBrake.ApplicationServices/Utilities/Win32.cs @@ -0,0 +1,199 @@ +// --------------------------------------------------------------------------------------------------------------------
+// <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>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrake.ApplicationServices.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 Forground 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 sucess
+ /// </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;
+ }
+ }
+}
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