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Diffstat (limited to 'win/CS/HandBrakeWPF/Utilities/Win32.cs')
| -rw-r--r-- | win/CS/HandBrakeWPF/Utilities/Win32.cs | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/win/CS/HandBrakeWPF/Utilities/Win32.cs b/win/CS/HandBrakeWPF/Utilities/Win32.cs new file mode 100644 index 000000000..a65a5e09d --- /dev/null +++ b/win/CS/HandBrakeWPF/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> +// <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 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; + } + } +} |