ZUGFeRD: Validate errors in xml and throw ValidationException

Interfaces/ZUGFeRDInterface/Exceptions.vb

@@ -1,4 +1,6 @@
-Public Class Exceptions
+Imports DigitalData.Modules.Interfaces.ZUGFeRDInterface
+
+Public Class Exceptions
     Public Class ZUGFeRDExecption
         Inherits ApplicationException
 
@@ -23,4 +25,14 @@
             _XmlFile = pXmlFileName
         End Sub
     End Class
+
+    Public Class ValidationException
+        Inherits ApplicationException
+
+        Public ValidationErrors As List(Of ZugferdValidationError)
+
+        Public Sub New()
+            MyBase.New("ZUGFeRD document found but validation failed!")
+        End Sub
+    End Class
 End Class