init.ps1
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$code = @'
using System; using System.Diagnostics; using System.Runtime.InteropServices; namespace PsoShell { public class TaskbarManager { private static object _syncLock = new object(); private static TaskbarManager _instance; private IntPtr _ownerHandle; public static TaskbarManager Instance { get { if (_instance == null) { lock (_syncLock) { if (_instance == null) { _instance = new TaskbarManager(); } } } return _instance; } } internal IntPtr OwnerHandle { get { if (_ownerHandle == IntPtr.Zero) { Process currentProcess = Process.GetCurrentProcess(); if (currentProcess == null || currentProcess.MainWindowHandle == IntPtr.Zero) { throw new InvalidOperationException("TaskbarManager: Valid Window Required"); } _ownerHandle = currentProcess.MainWindowHandle; } return _ownerHandle; } } public static bool IsPlatformSupported { get { return Environment.OSVersion.Platform == PlatformID.Win32NT && Environment.OSVersion.Version.CompareTo(new Version(6, 1)) >= 0; } } private TaskbarManager() { if (!IsPlatformSupported) { throw new PlatformNotSupportedException("Not supported by OS"); } } public void SetProgressValue(int currentValue, int maximumValue) { TaskbarList.Instance.SetProgressValue(OwnerHandle, Convert.ToUInt32(currentValue), Convert.ToUInt32(maximumValue)); } public void SetProgressState(TaskbarProgressBarState state) { TaskbarList.Instance.SetProgressState(OwnerHandle, state); } } internal static class TaskbarList { private static object _syncLock = new object(); private static ITaskbarList4 _taskbarList; internal static ITaskbarList4 Instance { get { if (_taskbarList == null) { lock (_syncLock) { if (_taskbarList == null) { _taskbarList = (ITaskbarList4)new CTaskbarList(); _taskbarList.HrInit(); } } } return _taskbarList; } } } [Guid("c43dc798-95d1-4bea-9030-bb99e2983a1a"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)] [ComImport] internal interface ITaskbarList4 { [PreserveSig] void HrInit(); [PreserveSig] void AddTab(IntPtr hwnd); [PreserveSig] void DeleteTab(IntPtr hwnd); [PreserveSig] void ActivateTab(IntPtr hwnd); [PreserveSig] void SetActiveAlt(IntPtr hwnd); [PreserveSig] void MarkFullscreenWindow(IntPtr hwnd, [MarshalAs(UnmanagedType.Bool)] bool fFullscreen); [PreserveSig] void SetProgressValue(IntPtr hwnd, ulong ullCompleted, ulong ullTotal); [PreserveSig] void SetProgressState(IntPtr hwnd, TaskbarProgressBarState tbpFlags); [PreserveSig] void RegisterTab(IntPtr hwndTab, IntPtr hwndMDI); [PreserveSig] void UnregisterTab(IntPtr hwndTab); [PreserveSig] void SetTabOrder(IntPtr hwndTab, IntPtr hwndInsertBefore); [PreserveSig] void SetTabActive(IntPtr hwndTab, IntPtr hwndInsertBefore, uint dwReserved); [PreserveSig] HResult ThumbBarAddButtons(IntPtr hwnd, uint cButtons, [MarshalAs(UnmanagedType.LPArray)] ThumbButton[] pButtons); [PreserveSig] HResult ThumbBarUpdateButtons(IntPtr hwnd, uint cButtons, [MarshalAs(UnmanagedType.LPArray)] ThumbButton[] pButtons); [PreserveSig] void ThumbBarSetImageList(IntPtr hwnd, IntPtr himl); [PreserveSig] void SetOverlayIcon(IntPtr hwnd, IntPtr hIcon, [MarshalAs(UnmanagedType.LPWStr)] string pszDescription); [PreserveSig] void SetThumbnailTooltip(IntPtr hwnd, [MarshalAs(UnmanagedType.LPWStr)] string pszTip); [PreserveSig] void SetThumbnailClip(IntPtr hwnd, IntPtr prcClip); void SetTabProperties(IntPtr hwndTab, SetTabPropertiesOption stpFlags); } public enum TaskbarProgressBarState { NoProgress, Indeterminate, Normal, Error = 4, Paused = 8 } [ClassInterface(ClassInterfaceType.None), Guid("56FDF344-FD6D-11d0-958A-006097C9A090")] [ComImport] internal class CTaskbarList { } public enum HResult { Ok, False, InvalidArguments = -2147024809, OutOfMemory = -2147024882, NoInterface = -2147467262, Fail = -2147467259, ElementNotFound = -2147023728, TypeElementNotFound = -2147319765, NoObject = -2147221019, Win32ErrorCanceled = 1223, Canceled = -2147023673, ResourceInUse = -2147024726, AccessDenied = -2147287035 } [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] internal struct ThumbButton { internal const int Clicked = 6144; [MarshalAs(UnmanagedType.U4)] internal ThumbButtonMask Mask; internal uint Id; internal uint Bitmap; internal IntPtr Icon; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)] internal string Tip; [MarshalAs(UnmanagedType.U4)] internal ThumbButtonOptions Flags; } internal enum ThumbButtonMask { Bitmap = 1, Icon, Tooltip = 4, THB_FLAGS = 8 } [Flags] internal enum ThumbButtonOptions { Enabled = 0, Disabled = 1, DismissOnClick = 2, NoBackground = 4, Hidden = 8, NonInteractive = 16 } internal enum SetTabPropertiesOption { None, UseAppThumbnailAlways, UseAppThumbnailWhenActive, UseAppPeekAlways = 4, UseAppPeekWhenActive = 8 } } '@ Add-Type -TypeDefinition $code |