From 6ef4e1ee8a965683e2b14cb7dff5cf0789099245 Mon Sep 17 00:00:00 2001
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 <itsmylivex@gmail.com>
Date: Thu, 8 Nov 2018 22:57:06 +0300
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---
 Signal Generator/MainWindow.xaml.cs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/Signal Generator/MainWindow.xaml.cs b/Signal Generator/MainWindow.xaml.cs
index 88e4a84..28975a7 100644
--- a/Signal Generator/MainWindow.xaml.cs	
+++ b/Signal Generator/MainWindow.xaml.cs	
@@ -35,12 +35,19 @@ namespace Signal_Generator
 
         private void addSignal_Button_Click(object sender, RoutedEventArgs e)
         {
+            IsEnabled = false;
             addSignalWindow_Instance = new AddSignalWindow();
-            addSignalWindow_Instance.createItem_Button.Click += addSignalWindow_Instance_Closing;
+            addSignalWindow_Instance.createItem_Button.Click += addSignalWindow_createItem_Button_Click;
+            addSignalWindow_Instance.Closed += enableMainWindow;
             addSignalWindow_Instance.Show();
         }
 
-        private void addSignalWindow_Instance_Closing(object sender, EventArgs e)
+        private void enableMainWindow(object sender, EventArgs e)
+        {
+            IsEnabled = true;
+        }
+
+        private void addSignalWindow_createItem_Button_Click(object sender, EventArgs e)
         {
             var signal = null as IAnalogSignal;
             signal = (IAnalogSignal) addSignalWindow_Instance.signalType_ComboBox.SelectedItem;
@@ -52,6 +59,7 @@ namespace Signal_Generator
 
         private void startProcedure_Button_Click(object sender, RoutedEventArgs e)
         {
+            IsEnabled = false;
             MultiSignal ms = new MultiSignal();
             foreach (IAnalogSignal item in signalCollection)
             {
@@ -59,6 +67,7 @@ namespace Signal_Generator
             }
             taskWindow_Instance = new TaskWindow(ms);
             taskWindow_Instance.Show();
+            taskWindow_Instance.Closed += enableMainWindow;
         }
 
         private void removeSignal_Button_Click(object sender, RoutedEventArgs e)