// Show explorer form
 public void showExplorerForm(Excel.Workbooks workkbooks)
 {
     try
     {
         if (explorerForm == null)
         {
             explorerForm = new ExplorerForm(workkbooks, OKMDocumentType.TYPE_EXCEL, configXML, docXML);
         }
         explorerForm.Show();
         explorerForm.startUp();
     }
     catch (Exception e)
     {
         throw e;
     }
 }
 // Show explorer form
 public void showExplorerForm(Word.Documents documents)
 {
     try
     {
         if (explorerForm == null)
         {
             explorerForm = new ExplorerForm(documents, OKMDocumentType.TYPE_WORD, configXML, docXML);
         }
         explorerForm.Show();
         explorerForm.startUp();
     }
     catch (Exception e)
     {
         throw e;
     }
 }
 // Show explorer form
 public void showExplorerForm(PowerPoint.Presentations presentations)
 {
     try
     {
         if (explorerForm == null)
         {
             explorerForm = new ExplorerForm(presentations, OKMDocumentType.TYPE_POWER_POINT, configXML, docXML);
         }
         explorerForm.Show();
         explorerForm.startUp();
     }
     catch (Exception e)
     {
         throw e;
     }
 }