compdfkit(win) - 数字签名验证文案异常，清除无作用按钮

Demo/Examples/Compdfkit_Tools/Common/Helper/CommonHelper.cs

@@ -1036,30 +1036,6 @@ namespace Compdfkit_Tools.Helper
         }
     }
 
-    public class SaveHelper
-    {
-        private static SaveHelper instance;
-        private bool _canSave;
-        public bool CanSave
-        {
-            get { return _canSave; }
-            set
-            {
-                if (_canSave != value)
-                {
-                    _canSave = value;
-                    OnPropertyChanged();
-                }
-            }
-        }
-
-        public event PropertyChangedEventHandler PropertyChanged;
-        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
-        {
-            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
-        }
-    }
-
     public class CommandHelper
     {
         public static void CopyImage_Click(Dictionary<int, List<Bitmap>> imageDict)

Demo/Examples/Compdfkit_Tools/DigitalSignature/VerifyDigitalSignatureControl/DigitalSignatureValiditySummaaryControl.xaml.cs

@@ -40,14 +40,16 @@ namespace Compdfkit_Tools.PDFControl
             {
                 validitySummaryString += LanguageHelper.SigManager.GetString("Text_SignerInvalid") + "\n\n";
             }
+
             if(isDocModified || (!isSignVerified && !isCertTrusted))
             {
-                validitySummaryString += LanguageHelper.SigManager.GetString("Text_SigValid") + "\n\n";
+                validitySummaryString += LanguageHelper.SigManager.GetString("Text_SigInvalid") + "\n\n";
             }
             else if (isSignVerified && isCertTrusted)
             {
-                validitySummaryString += LanguageHelper.SigManager.GetString("Text_SigInvalid") + "\n\n";
+                validitySummaryString += LanguageHelper.SigManager.GetString("Text_SigValid") + "\n\n";
             }
+
             else if(isSignVerified && !isCertTrusted)
             {
                 validitySummaryString += LanguageHelper.SigManager.GetString("Text_SigUnknown") + "\n\n";