Altova StyleVision 2025 Enterprise Edition

Im unten gezeigten Codefragment (aus dem Beispiel AutomateStyleVision) wird der Code für zwei Event Handler aufgelistet. Das Beispiel AutomateStyleVision (siehe Datei form1.cs) befindet sich im Unterordner C# des Ordners API Examples:

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Codefragment

      delegate void addListBoxItem_delegate(string sText);

       // Called from the UI thread

       private void addListBoxItem(string sText)

       {

           listBoxMessages.Items.Add(sText);

       }

       // Wrapper method to call UI control methods from a worker thread

       void syncWithUIthread(Control ctrl, addListBoxItem_delegate methodToInvoke, String sText)

       {

           // Control.Invoke: Executes on the UI thread, but calling thread waits for completion before continuing.

           // Control.BeginInvoke: Executes on the UI thread, and calling thread doesn't wait for completion.

           if (ctrl.InvokeRequired)

               ctrl.BeginInvoke(methodToInvoke, new Object[] { sText });

       }        

  // Event handler for OnDocumentClosed event

       private void handleOnDocumentClosed(StyleVisionLib.Document i_ipDocument)

       {

           String sText = "";

           if (i_ipDocument.Name.Length > 0)

               sText = "Document " + i_ipDocument.Name + " was closed!";

           // Synchronize the calling thread with the UI thread because

           // COM events are triggered from a working thread

           addListBoxItem_delegate methodToInvoke = new addListBoxItem_delegate(addListBoxItem);

           // Call syncWithUIthread with the following arguments:

           // 1 - listBoxMessages - list box control to display messages from COM events

           // 2 - methodToInvoke  - a C# delegate which points to the method which will be called from the UI thread

           // 3 - sText           - the text to be displayed in the list box

           syncWithUIthread(listBoxMessages, methodToInvoke, sText);

       }

       private void updateListBox()

       {

           // Iterate through all open documents

           listBoxMessages.Items.Clear();

           for (int i = 1; i <= StyleVision.Documents.Count; i++)

           {

               StyleVisionLib.Document doc = StyleVision.Documents[i];

               if (doc != null)

               {

                   if (checkBoxEventOnOff.Checked)

                       doc.OnDocumentClosed += new StyleVisionLib._IDocumentEvents_OnDocumentClosedEventHandler(handleOnDocumentClosed);

                   else

                       doc.OnDocumentClosed -= new StyleVisionLib._IDocumentEvents_OnDocumentClosedEventHandler(handleOnDocumentClosed);

                   listBoxMessages.Items.Add(doc.Name);

                   StyleVisionLib.SchemaSources sources = doc.SchemaSources;

                   for (int j = 1; j <= sources.Count; j++)

                   {

                       StyleVisionLib.SchemaSource source = sources[j];

                       if (source != null)

                       {

                           listBoxMessages.Items.Add("\tSchema      file name : " + source.SchemaFileName + "\n");

                           listBoxMessages.Items.Add("\tWorking XML file name : " + source.WorkingXMLFileName + "\n");

                           listBoxMessages.Items.Add("\tIs main schema source : " + source.IsMainSchemaSource + "\tType name : " + source.TypeName + "\n");

                       }

                   }

               }

           }

       }