Кнопка показать пароль работает правильно

MainPage.xaml

@@ -118,6 +118,7 @@
                                                 <ColumnDefinition Width="40" />
                                             </Grid.ColumnDefinitions>
                                             <Entry
+                                                x:Name="etyPass"
                                                 HeightRequest="48"
                                                 IsPassword="True"
                                                 IsReadOnly="False"

MainPage.xaml.cs

@@ -3,6 +3,7 @@
     public partial class MainPage : ContentPage
     {
         //int count = 0;
+        bool Pass = false;
 
         public MainPage()
         {
@@ -16,7 +17,20 @@
 
         private async void btnPassOpen_Clicked(object sender, EventArgs e)
         {
-            await Navigation.PushAsync(new NewPage2());
+            if(Pass == false)
+            {
+                btnPassOpen.Text = "◎";
+                etyPass.IsPassword = false;
+                Pass = true;
+            }
+            else
+            {
+                btnPassOpen.Text = "◉";
+                etyPass.IsPassword = true;
+                Pass = false;
+            }
+
+            //await Navigation.PushAsync(new NewPage2());
         }
 
         //private void OnCounterClicked(object sender, EventArgs e)