* Splitbutton to control memory clearing

Author: CodeDead

MemPlus/Business/Classes/RAM/RamController.cs

@@ -292,6 +292,64 @@ await Task.Run(async () =>
             _logController.AddLog(new ApplicationLog("Done clearing RAM memory"));
         }
 
+        /// <summary>
+        /// Clear the working set of all processes, excluding the exclusion list
+        /// </summary>
+        /// <returns>Nothing</returns>
+        internal async Task ClearWorkingSets()
+        {
+            _logController.AddLog(new ApplicationLog("Clearing process working sets"));
+
+            await Task.Run(async () =>
+            {
+                UpdateRamUsage();
+
+                double oldUsage = RamUsage;
+
+                _ramOptimizer.EmptyWorkingSetFunction(_processExceptionList);
+
+                await Task.Delay(10000);
+
+                UpdateRamUsage();
+                UpdateGuiControls();
+
+                double newUsage = RamUsage;
+
+                RamSavings = oldUsage - newUsage;
+            });
+
+            _logController.AddLog(new ApplicationLog("Done clearing process working sets"));
+        }
+
+        /// <summary>
+        /// Clear the FileSystem cache
+        /// </summary>
+        /// <returns>Nothing</returns>
+        internal async Task ClearFileSystemCaches()
+        {
+            _logController.AddLog(new ApplicationLog("Clearing FileSystem cache"));
+
+            await Task.Run(async () =>
+            {
+                UpdateRamUsage();
+
+                double oldUsage = RamUsage;
+
+                _ramOptimizer.ClearFileSystemCache(ClearStandbyCache);
+
+                await Task.Delay(5000);
+
+                UpdateRamUsage();
+                UpdateGuiControls();
+
+                double newUsage = RamUsage;
+
+                RamSavings = oldUsage - newUsage;
+            });
+
+            _logController.AddLog(new ApplicationLog("Done clearing FileSystem cache"));
+        }
+
         /// <summary>
         /// Update RAM usage statistics
         /// </summary>

MemPlus/Views/Windows/MainWindow.xaml

@@ -194,16 +194,19 @@
                     <RowDefinition Height="Auto" />
                     <RowDefinition Height="Auto" />
                     <RowDefinition Height="Auto" />
-                    <RowDefinition Height="Auto" />
-                    <RowDefinition Height="*" />
                 </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="Used physical memory:" FontSize="14" Margin="10,5" />
-                <Label x:Name="LblAvailablePhysicalMemory" Grid.Row="4" Content="" FontSize="14" Foreground="Red" Margin="10,5" />
+                <Label Grid.Row="0" Content="Total physical memory:" FontSize="14" Margin="10,5" />
+                <Label Grid.Row="1" x:Name="LblTotalPhysicalMemory"  Content="" FontSize="14" Foreground="Green" Margin="10,5" />
+                <Label Grid.Row="2" Content="Used physical memory:" FontSize="14" Margin="10,5" />
+                <Label Grid.Row="3" x:Name="LblAvailablePhysicalMemory" 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" MinHeight="25" />
+                <syncfusion:SplitButtonAdv Grid.Row="4" SmallIcon="../../Resources/Images/ram_tab.png" Label="Clear memory" x:Name="BtnClearMemory" Click="BtnClearMemory_OnClick" IsMultiLine="False">
+                    <syncfusion:DropDownMenuGroup>
+                        <syncfusion:DropDownMenuItem Header="Clear Working sets" Click="ClearWorkingSetsDropDownMenuItem_OnClick"/>
+                        <syncfusion:DropDownMenuItem Header="Clear FileSystem cache" Click="ClearFileSystemCacheDropDownMenuItem_OnClick"/>
+                    </syncfusion:DropDownMenuGroup>
+                </syncfusion:SplitButtonAdv>
             </Grid>
         </Grid>
     </Grid>

MemPlus/Views/Windows/MainWindow.xaml.cs

@@ -242,37 +242,9 @@ internal void ChangeVisualStyle()
         /// </summary>
         /// <param name="sender">The object that called this method</param>
         /// <param name="e">The RoutedEventArgs</param>
-        private async void BtnClearMemory_OnClick(object sender, RoutedEventArgs e)
+        private void BtnClearMemory_OnClick(object sender, RoutedEventArgs e)
         {
-            _logController.AddLog(new ApplicationLog("Clearing RAM Memory"));
-
-            try
-            {
-                BtnClearMemory.IsEnabled = false;
-
-                await _ramController.ClearMemory();
-                double ramSavings = _ramController.RamSavings / 1024 / 1024;
-                if (ramSavings < 0)
-                {
-                    ramSavings = Math.Abs(ramSavings);
-                    _logController.AddLog(new RamLog("RAM usage increase: " + ramSavings.ToString("F2") + " MB"));
-                    MessageBox.Show("Looks like your RAM usage has increased with " + ramSavings.ToString("F2") + " MB!", "MemPlus", MessageBoxButton.OK, MessageBoxImage.Information);
-                }
-                else
-                {
-                    _logController.AddLog(new RamLog("RAM usage decrease: " + ramSavings.ToString("F2") + " MB"));
-                    MessageBox.Show("You saved " + ramSavings.ToString("F2") + " MB of RAM!", "MemPlus", MessageBoxButton.OK, MessageBoxImage.Information);
-                }
-
-                BtnClearMemory.IsEnabled = true;
-            }
-            catch (Exception ex)
-            {
-                _logController.AddLog(new ApplicationLog(ex.Message));
-                MessageBox.Show(ex.Message, "MemPlus", MessageBoxButton.OK, MessageBoxImage.Error);
-            }
-
-            _logController.AddLog(new ApplicationLog("Done clearing RAM memory"));
+            ClearMemory(0);
         }
 
         /// <summary>
@@ -676,5 +648,60 @@ private void RestartMenuItem_OnClick(object sender, RoutedEventArgs e)
                 MessageBox.Show(ex.Message, "MemPlus", MessageBoxButton.OK, MessageBoxImage.Error);
             }
         }
+
+        private void ClearWorkingSetsDropDownMenuItem_OnClick(object sender, RoutedEventArgs e)
+        {
+            ClearMemory(1);
+        }
+
+        private void ClearFileSystemCacheDropDownMenuItem_OnClick(object sender, RoutedEventArgs e)
+        {
+            ClearMemory(2);
+        }
+
+        private async void ClearMemory(int index)
+        {
+            _logController.AddLog(new ApplicationLog("Clearing RAM Memory"));
+
+            try
+            {
+                BtnClearMemory.IsEnabled = false;
+
+                switch (index)
+                {
+                    case 0:
+                        await _ramController.ClearMemory();
+                        break;
+                    case 1:
+                        await _ramController.ClearWorkingSets();
+                        break;
+                    case 2:
+                        await _ramController.ClearFileSystemCaches();
+                        break;
+                }
+
+                double ramSavings = _ramController.RamSavings / 1024 / 1024;
+                if (ramSavings < 0)
+                {
+                    ramSavings = Math.Abs(ramSavings);
+                    _logController.AddLog(new RamLog("RAM usage increase: " + ramSavings.ToString("F2") + " MB"));
+                    MessageBox.Show("Looks like your RAM usage has increased with " + ramSavings.ToString("F2") + " MB!", "MemPlus", MessageBoxButton.OK, MessageBoxImage.Information);
+                }
+                else
+                {
+                    _logController.AddLog(new RamLog("RAM usage decrease: " + ramSavings.ToString("F2") + " MB"));
+                    MessageBox.Show("You saved " + ramSavings.ToString("F2") + " MB of RAM!", "MemPlus", MessageBoxButton.OK, MessageBoxImage.Information);
+                }
+
+                BtnClearMemory.IsEnabled = true;
+            }
+            catch (Exception ex)
+            {
+                _logController.AddLog(new ApplicationLog(ex.Message));
+                MessageBox.Show(ex.Message, "MemPlus", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+
+            _logController.AddLog(new ApplicationLog("Done clearing RAM memory"));
+        }
     }
 }