add new onredrawthum evebthabdler [#13]

fix controlls getting stuck on dosabled state after adding images

MyCBZ/App.config

@@ -168,7 +168,7 @@
     <applicationSettings>
         <Win_CBZ.Win_CBZSettings>
             <setting name="InstalledVersion" serializeAs="String">
-                <value>0.21.166b</value>
+                <value>0.21.167b</value>
             </setting>
             <setting name="RenamerPlaceholders" serializeAs="Xml">
                 <value>

MyCBZ/Events/RedrawThumbEvent.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Win_CBZ.Events
+{
+    internal class RedrawThumbEvent
+    {
+        public Page Page { get; set; }
+
+        public RedrawThumbEvent() { }
+
+        public RedrawThumbEvent(Page page)
+        {
+            this.Page = page;
+        }
+    }
+}

MyCBZ/Forms/MainForm.cs

@@ -258,6 +258,7 @@ private ProjectModel NewProjectModel()
             AppEventHandler.ApplicationStateChanged += ApplicationStateChanged;
             AppEventHandler.GlobalActionRequired += HandleGlobalActionRequired;
             AppEventHandler.GeneralTaskProgress += HandleGlobalTaskProgress;
+            AppEventHandler.RedrawThumbnail += OnRedrawThumbnail;
 
             newProjectModel.RenameStoryPagePattern = Win_CBZSettings.Default.StoryPageRenamePattern;
             newProjectModel.RenameSpecialPagePattern = Win_CBZSettings.Default.SpecialPageRenamePattern;
@@ -1128,6 +1129,18 @@ private void ExecuteCurrentGlobalAction_Click_1(object sender, EventArgs e)
             }
         }
 
+        private void OnRedrawThumbnail(object sender, RedrawThumbEvent e)
+        {
+            if (!WindowClosed)
+            {
+                Invoke(new Action(() =>
+                {
+                    ThumbnailPagesSlice.Add(e.Page);
+                    RequestImageInfoSlice();
+                }));
+            }
+        }
+
         public void ReloadPreviewThumbs()
         {
             if (!WindowClosed)