* Added ability to view total physical memory

* Added ability to view available physical memory
* Design changes to Main Window
* Code improvements

Author: CodeDead

MemPlus/Classes/RAM/RamController.cs

@@ -1,33 +1,41 @@
 using System;
 using System.Threading.Tasks;
 using System.Timers;
+using System.Windows.Controls;
 using System.Windows.Threading;
 using Microsoft.VisualBasic.Devices;
 using Syncfusion.UI.Xaml.Gauges;
 
 namespace MemPlus.Classes.RAM
 {
-    internal class RamController
+    internal sealed class RamController
     {
         private readonly Timer _ramTimer;
+
         private readonly Dispatcher _dispatcher;
         private readonly SfCircularGauge _gauge;
+        private readonly Label _lblTotal;
+        private readonly Label _lblAvailable;
+
         private readonly ComputerInfo _info;
 
         internal double RamUsage { get; private set; }
         internal double RamUsagePercentage { get; private set; }
         internal double RamTotal { get; private set; }
         internal double RamSavings { get; private set; }
 
-        internal RamController(Dispatcher dispatcher, SfCircularGauge gauge, int timerInterval)
+        internal RamController(Dispatcher dispatcher, SfCircularGauge gauge, Label lblTotal, Label lblAvailable, int timerInterval)
         {
             if (timerInterval <= 0) throw new ArgumentException("Timer interval cannot be less than or equal to zero!");
 
             RamSavings = 0;
 
             _info = new ComputerInfo();
+
             _dispatcher = dispatcher ?? throw new ArgumentException("Dispatcher cannot be null!");
             _gauge = gauge ?? throw new ArgumentException("Gauge cannot be null!");
+            _lblTotal = lblTotal ?? throw new ArgumentNullException(nameof(lblTotal));
+            _lblAvailable = lblAvailable ?? throw new ArgumentNullException(nameof(lblAvailable));
 
             _ramTimer = new Timer();
             _ramTimer.Elapsed += OnTimedEvent;
@@ -53,19 +61,16 @@ private void OnTimedEvent(object source, ElapsedEventArgs e)
             {
                 _gauge.Scales[0].Pointers[0].Value = RamUsagePercentage;
                 _gauge.GaugeHeader = "RAM usage (" + RamUsagePercentage.ToString("F2") + "%)";
+
+                _lblTotal.Content = (RamTotal / 1024 / 1024 / 1024).ToString("F2") + " GB";
+                _lblAvailable.Content = ((RamTotal - RamUsage) / 1024 / 1024 / 1024).ToString("F2") + " GB";
             });
         }
 
         internal async Task ClearMemory(bool filesystemcache)
         {
-            await Task.Run(() =>
+            await Task.Run(async () =>
             {
-                bool wasEnabled = _ramTimer.Enabled;
-                if (wasEnabled)
-                {
-                    DisableMonitor();
-                }
-
                 UpdateRamUsage();
 
                 double oldUsage = RamUsage;
@@ -75,15 +80,12 @@ await Task.Run(() =>
                 //Clear file system cache
                 MemPlus.ClearFileSystemCache(filesystemcache);
 
+                await Task.Delay(10000);
+
                 UpdateRamUsage();
                 double newUsage = RamUsage;
 
                 RamSavings = oldUsage - newUsage;
-
-                if (wasEnabled)
-                {
-                    EnableMonitor();
-                }
             });
         }
 

MemPlus/Windows/MainWindow.xaml

@@ -8,7 +8,7 @@
     mc:Ignorable="d"
     UseLayoutRounding="True"
     TitleTextAlignment="Center"
-    Title="MemPlus" Height="400" Width="450" WindowStartupLocation="CenterScreen" Icon="/MemPlus;component/Resources/ram.png">
+    Title="MemPlus" Height="300" Width="500" WindowStartupLocation="CenterScreen" Icon="/MemPlus;component/Resources/ram.png">
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto"></RowDefinition>
@@ -50,10 +50,11 @@
         </Menu>
 
         <Grid Grid.Row="1" Visibility="Visible">
-            <Grid.RowDefinitions>
-                <RowDefinition></RowDefinition>
-                <RowDefinition Height="Auto"></RowDefinition>
-            </Grid.RowDefinitions>
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition></ColumnDefinition>
+                <ColumnDefinition Width="Auto"></ColumnDefinition>
+                <ColumnDefinition></ColumnDefinition>
+            </Grid.ColumnDefinitions>
 
             <syncfusion:SfCircularGauge Grid.Row="0" x:Name="CgRamUsage"
                                         GaugeHeader="RAM usage (%)"
@@ -69,8 +70,26 @@
                     </syncfusion:CircularScale>
                 </syncfusion:SfCircularGauge.Scales>
             </syncfusion:SfCircularGauge>
+            <Separator Margin="5,10" Grid.Column="1" Style="{StaticResource {x:Static ToolBar.SeparatorStyleKey}}" />
 
-            <Button x:Name="BtnClearMemory" Grid.Row="1" Content="Clear memory" Click="BtnClearMemory_OnClick" MinHeight="25" />
+            <Grid Grid.Column="2" VerticalAlignment="Center">
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto"></RowDefinition>
+                    <RowDefinition Height="Auto"></RowDefinition>
+                    <RowDefinition Height="Auto"></RowDefinition>
+                    <RowDefinition Height="Auto"></RowDefinition>
+                    <RowDefinition Height="Auto"></RowDefinition>
+                    <RowDefinition Height="Auto"></RowDefinition>
+                    <RowDefinition Height="*"></RowDefinition>
+                </Grid.RowDefinitions>
+
+                <Label Content="Total physical memory:" FontSize="14" Margin="10,5" />
+                <Label x:Name="LblTotalPhysicalMemory" Grid.Row="2" Content="" FontSize="14" Foreground="Green" Margin="10,5" />
+                <Label Grid.Row="3" Content="Available physical memory:" FontSize="14" Margin="10,5" />
+                <Label x:Name="LblAvailablePhysicalMemory" Grid.Row="4" Content="" FontSize="14" Foreground="Red" Margin="10,5" />
+
+                <Button Grid.Row="5" x:Name="BtnClearMemory" Content="Clear memory" Click="BtnClearMemory_OnClick" Margin="10,5" FontSize="14"/>
+            </Grid>
         </Grid>
     </Grid>
 </syncfusion:ChromelessWindow>

MemPlus/Windows/MainWindow.xaml.cs

@@ -19,7 +19,7 @@ public MainWindow()
             InitializeComponent();
             ChangeVisualStyle();
 
-            _ramController = new RamController(Dispatcher, CgRamUsage, 5000);
+            _ramController = new RamController(Dispatcher, CgRamUsage,LblTotalPhysicalMemory, LblAvailablePhysicalMemory, 5000);
             _ramController.EnableMonitor();
         }