Merge pull request #455 from trimble-oss/452-memory-leakage-on-modus-controls

Memory leakage on modus controls #452

Author: rthanga1

Trimble.Modus.Components/Controls/DropDown/TMDropDown.xaml.cs

@@ -4,7 +4,7 @@
 using Trimble.Modus.Components.Popup.Services;
 
 namespace Trimble.Modus.Components;
-public partial class TMDropDown : ContentView, IDisposable
+public partial class TMDropDown : ContentView
 {
     #region Private fields
     private double desiredHeight;
@@ -136,6 +136,7 @@ public TMDropDown()
         InitializeComponent();
         this.SetDynamicResource(StyleProperty, "DefaultStyle");
         PopupService.Instance.Dismissed += OnPopupRemoved;
+        this.Unloaded += OnUnloaded;
     }
     #endregion
 
@@ -383,8 +384,16 @@ protected override void OnHandlerChanged()
     public void Dispose()
     {
         PopupService.Instance.Dismissed -= OnPopupRemoved;
+        this.Unloaded -= OnUnloaded;
         SelectionChanged = null;
         SelectionChangedCommand = null;
         ItemsSource = null;
+        dropDownContents = null;
+        previousSelection = null;
+    }
+
+    private void OnUnloaded(object sender, EventArgs e)
+    {
+        Dispose();
     }
 }

Trimble.Modus.Components/Trimble.Modus.Components.csproj

@@ -27,7 +27,7 @@
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <PackageId>Trimble.Modus.Components</PackageId>
     <Title>Trimble Modus</Title>
-    <Version>1.4.0</Version>
+    <Version>1.4.0.1</Version>
     <Authors>Trimble Inc</Authors>
     <Company>Trimble Inc</Company>
     <Product>Trimble.Modus.Components</Product>