1 files changed, 13 insertions, 0 deletions
diff --git a/ui/qt/extcap_argument_file.cpp b/ui/qt/extcap_argument_file.cpp
index 7fec0a5fbc..557e3693b4 100644
--- a/ui/qt/extcap_argument_file.cpp
+++ b/ui/qt/extcap_argument_file.cpp
@@ -44,6 +44,12 @@ ExtcapArgumentFileSelection::ExtcapArgumentFileSelection (extcap_arg * argument)
     _default = new QVariant(QString(""));
 }
 
+ExtcapArgumentFileSelection::~ExtcapArgumentFileSelection()
+{
+    if ( textBox != NULL )
+        delete textBox;
+}
+
 QWidget * ExtcapArgumentFileSelection::createEditor(QWidget * parent)
 {
     QWidget * fileWidget = new QWidget(parent);
@@ -100,6 +106,13 @@ void ExtcapArgumentFileSelection::openFileDialog()
         textBox->setText(filename);
 }
 
+bool ExtcapArgumentFileSelection::isValid()
+{
+    if ( textBox->text().length() > 0 )
+        return true;
+    return false;
+}
+
 /*
  * Editor modelines
  *