From 00f57917662dc4e648a150726c8461db369e925f Mon Sep 17 00:00:00 2001
From: ww-rm <ww-rm@qq.com>
Date: Fri, 28 Mar 2025 20:53:48 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=AF=BC=E5=87=BA=E6=97=B6?=
 =?UTF-8?q?=E4=BB=BB=E5=8A=A1=E6=A0=8F=E5=9B=BE=E6=A0=87=E6=98=BE=E7=A4=BA?=
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---
 SpineViewer/MainForm.cs       |  2 ++
 SpineViewer/TaskbarManager.cs | 65 +++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100644 SpineViewer/TaskbarManager.cs

diff --git a/SpineViewer/MainForm.cs b/SpineViewer/MainForm.cs
index 99b0e56..fde3d90 100644
--- a/SpineViewer/MainForm.cs
+++ b/SpineViewer/MainForm.cs
@@ -146,10 +146,12 @@ namespace SpineViewer
         {
             var worker = (BackgroundWorker)sender;
             var exporter = (Exporter.Exporter)e.Argument;
+            Invoke(() => TaskbarManager.SetProgressState(Handle, TBPFLAG.TBPF_INDETERMINATE));
             spinePreviewer.StopRender();
             lock (spineListView.Spines) { exporter.Export(spineListView.Spines.Where(sp => !sp.IsHidden).ToArray(), (BackgroundWorker)sender); }
             e.Cancel = worker.CancellationPending;
             spinePreviewer.StartRender();
+            Invoke(() => TaskbarManager.SetProgressState(Handle, TBPFLAG.TBPF_NOPROGRESS));
         }
 
         private void ConvertFileFormat_Work(object? sender, DoWorkEventArgs e)
diff --git a/SpineViewer/TaskbarManager.cs b/SpineViewer/TaskbarManager.cs
new file mode 100644
index 0000000..f255cb5
--- /dev/null
+++ b/SpineViewer/TaskbarManager.cs
@@ -0,0 +1,65 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Windows.Forms;
+
+namespace SpineViewer
+{
+    internal enum TBPFLAG
+    {
+        TBPF_NOPROGRESS = 0,
+        TBPF_INDETERMINATE = 0x1,
+        TBPF_NORMAL = 0x2,
+        TBPF_ERROR = 0x4,
+        TBPF_PAUSED = 0x8
+    }
+
+    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    [ComImport, Guid("ea1afb91-9e28-4b86-90e9-9e9f8a5eefaf")]
+    internal interface ITaskbarList3
+    {
+        // ITaskbarList
+        void HrInit();
+        void AddTab(IntPtr hwnd);
+        void DeleteTab(IntPtr hwnd);
+        void ActivateTab(IntPtr hwnd);
+        void SetActiveAlt(IntPtr hwnd);
+        // ITaskbarList2
+        void MarkFullscreenWindow(IntPtr hwnd, [MarshalAs(UnmanagedType.Bool)] bool fFullscreen);
+        // ITaskbarList3
+        void SetProgressValue(IntPtr hwnd, ulong ullCompleted, ulong ullTotal);
+        void SetProgressState(IntPtr hwnd, TBPFLAG tbpFlags);
+        //void RegisterTab(IntPtr hwndTab, IntPtr hwndMDI);
+        //void UnregisterTab(IntPtr hwndTab);
+        //void SetTabOrder(IntPtr hwndTab, IntPtr hwndInsertBefore);
+        //void SetTabActive(IntPtr hwndTab, IntPtr hwndMDI, uint dwReserved);
+        //void ThumbBarAddButtons(IntPtr hwnd, uint cButtons, THUMBBUTTON[] pButton);
+        //void ThumbBarUpdateButtons(IntPtr hwnd, uint cButtons, THUMBBUTTON[] pButton);
+        //void ThumbBarSetImageList(IntPtr hwnd, IntPtr himl);
+        //void SetOverlayIcon(IntPtr hwnd, IntPtr hIcon, string pszDescription);
+        //void SetThumbnailTooltip(IntPtr hwnd, string pszTip);
+        //void SetThumbnailClip(IntPtr hwnd, ref RECT prcClip);
+    }
+
+    [ComImport, Guid("56FDF344-FD6D-11d0-958A-006097C9A090")]
+    internal class TaskbarList { }
+
+    internal static class TaskbarManager
+    {
+        private static readonly ITaskbarList3 taskbarList = (ITaskbarList3)new TaskbarList();
+
+        static TaskbarManager()
+        {
+            taskbarList.HrInit();
+        }
+
+        public static void SetProgressState(IntPtr windowHandle, TBPFLAG state)
+        {
+            taskbarList.SetProgressState(windowHandle, state);
+        }
+
+        public static void SetProgressValue(IntPtr windowHandle, ulong completed, ulong total)
+        {
+            taskbarList.SetProgressValue(windowHandle, completed, total);
+        }
+    }
+}