调整结构

SpineViewer/Dialogs/ProgressDialog.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace SpineViewer
+{
+    public partial class ProgressDialog : Form
+    {
+        [Category("自定义"), Description("BackgroundWorker 的 DoWork 事件")]
+        public event DoWorkEventHandler? DoWork
+        {
+            add { backgroundWorker.DoWork += value; }
+            remove { backgroundWorker.DoWork -= value; }
+        }
+
+        public void RunWorkerAsync() { backgroundWorker.RunWorkerAsync(); }
+        public void RunWorkerAsync(object? argument) { backgroundWorker.RunWorkerAsync(argument); }
+
+        public ProgressDialog()
+        {
+            InitializeComponent();
+        }
+
+        private void backgroundWorker_ProgressChanged(object sender, ProgressChangedEventArgs e)
+        {
+            label_Tip.Text = e.UserState as string;
+            progressBar.Value = e.ProgressPercentage;
+        }
+
+        private void backgroundWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
+        {
+            if (e.Error != null)
+            {
+                Program.Logger.Error(e.Error.ToString());
+                MessageBox.Show(e.Error.Message, "执行出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                DialogResult = DialogResult.Abort;
+            }
+            else if (e.Cancelled)
+            {
+                DialogResult = DialogResult.Cancel;
+            }
+            else
+            {
+                DialogResult= DialogResult.OK;
+            }
+        }
+
+        private void button_Cancel_Click(object sender, EventArgs e)
+        {
+            backgroundWorker.CancelAsync();
+            button_Cancel.Enabled = false;
+        }
+    }
+}