Merge branch 'compdfkit_demo_windows' of http://git.kdan.cc:8865/Others/kmpdfkit_demo into compdfkit_demo_windows

Demo/Examples/Compdfkit_Tools/Edit/PDFTextEdit/PDFTextEditControl/PDFTextEditControl.xaml.cs

@@ -120,6 +120,14 @@ namespace Compdfkit_Tools.Edit
 
         private void PDFTextEditControl_Loaded(object sender, RoutedEventArgs e)
         {
+
+            TextStyleUI.TextFontChanged -= TextStyleUI_TextFontChanged;
+            TextStyleUI.TextBoldChanged -= TextStyleUI_TextBoldChanged;
+            TextStyleUI.TextItalicChanged -= TextStyleUI_TextItalicChanged;
+            TextStyleUI.TextSizeChanged -= TextStyleUI_TextSizeChanged;
+            TextAlignUI.TextAlignChanged -= TextAlignUI_TextAlignChanged;
+            FontColorUI.ColorChanged -= FontColorUI_ColorChanged;
+
             TextStyleUI.TextFontChanged += TextStyleUI_TextFontChanged;
             TextStyleUI.TextBoldChanged += TextStyleUI_TextBoldChanged;
             TextStyleUI.TextItalicChanged += TextStyleUI_TextItalicChanged;