basic functionality done finally

Password Manager/MainForm.Designer.cs

@@ -29,47 +29,72 @@
         private void InitializeComponent()
         {
             SearchBox = new TextBox();
-            ResultList = new PasswordListBox();
             GeneratePassword = new Button();
+            ResultList = new PasswordListBox(PathRequest);
+            DecryptBtn = new Button();
+            Cancel = new Button();
             SuspendLayout();
             // 
-            // searchBox
+            // SearchBox
             // 
             SearchBox.Location = new Point(10, 20);
             SearchBox.Margin = new Padding(3, 2, 3, 2);
-            SearchBox.Name = "searchBox";
+            SearchBox.Name = "SearchBox";
             SearchBox.PlaceholderText = "Search for a password";
             SearchBox.Size = new Size(225, 23);
             SearchBox.TabIndex = 0;
-            SearchBox.TextChanged += ResultList.ReloadResults;
+            SearchBox.TextChanged += ReloadResults;
             // 
-            // resultList
-            // 
-            ResultList.FormattingEnabled = true;
-            ResultList.ItemHeight = 15;
-            ResultList.Location = new Point(10, 45);
-            ResultList.Margin = new Padding(3, 2, 3, 2);
-            ResultList.Name = "resultList";
-            ResultList.Size = new Size(225, 274);
-            ResultList.TabIndex = 1;
-            // 
-            // button1
+            // GeneratePassword
             // 
             GeneratePassword.Location = new Point(241, 20);
-            GeneratePassword.Name = "button1";
+            GeneratePassword.Name = "GeneratePassword";
             GeneratePassword.Size = new Size(75, 23);
             GeneratePassword.TabIndex = 5;
             GeneratePassword.Text = "Generate";
             GeneratePassword.UseVisualStyleBackColor = true;
             GeneratePassword.Click += OpenPasswordGenerator;
             // 
+            // ResultList
+            // 
+            ResultList.ColumnWidth = 20;
+            ResultList.FormattingEnabled = true;
+            ResultList.HorizontalScrollbar = true;
+            ResultList.ItemHeight = 15;
+            ResultList.Location = new Point(10, 48);
+            ResultList.Name = "ResultList";
+            ResultList.Size = new Size(306, 274);
+            ResultList.TabIndex = 6;
+            // 
+            // DecryptBtn
+            // 
+            DecryptBtn.Location = new Point(241, 328);
+            DecryptBtn.Name = "DecryptBtn";
+            DecryptBtn.Size = new Size(75, 23);
+            DecryptBtn.TabIndex = 7;
+            DecryptBtn.Text = "Decrypt";
+            DecryptBtn.UseVisualStyleBackColor = true;
+            DecryptBtn.Click += Decrypt;
+            // 
+            // Cancel
+            // 
+            Cancel.Location = new Point(160, 328);
+            Cancel.Name = "Cancel";
+            Cancel.Size = new Size(75, 23);
+            Cancel.TabIndex = 8;
+            Cancel.Text = "Cancel";
+            Cancel.UseVisualStyleBackColor = true;
+            // 
             // MainForm
             // 
+            AcceptButton = DecryptBtn;
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(700, 338);
-            Controls.Add(GeneratePassword);
+            ClientSize = new Size(324, 374);
+            Controls.Add(Cancel);
+            Controls.Add(DecryptBtn);
             Controls.Add(ResultList);
+            Controls.Add(GeneratePassword);
             Controls.Add(SearchBox);
             Margin = new Padding(3, 2, 3, 2);
             Name = "MainForm";
@@ -81,7 +106,9 @@
         #endregion
 
         private TextBox SearchBox;
-        private PasswordListBox ResultList;
         private Button GeneratePassword;
+        private PasswordListBox ResultList;
+        private Button DecryptBtn;
+        private Button Cancel;
     }
 }

Password Manager/MainForm.cs

@@ -1,3 +1,5 @@
+using System.Diagnostics;
+
 namespace Password_Manager
 {
     sealed public partial class MainForm : Form
@@ -9,7 +11,12 @@ namespace Password_Manager
             this.PathRequest = PathRequest;
             InitializeComponent();
 
-            ResultList = new PasswordListBox(PathRequest);
+            ResultList.SearchQueryRequest += () => SearchBox.Text;
+            ResultList.ReloadResults();
+        }
+
+        private void ReloadResults(object? sender, EventArgs? e) //proxy method for SearchBox.TextChanged
+        {
             ResultList.ReloadResults();
         }
 
@@ -18,5 +25,36 @@ namespace Password_Manager
             GeneratePassword gp = new GeneratePassword(SearchBox.Text, PathRequest());
             gp.ShowDialog();
         }
+
+        private void Decrypt(object sender, EventArgs e)
+        {
+            string fileName = ResultList.Text;
+            try
+            {
+                Process proc = new Process()
+                {
+                    StartInfo = new ProcessStartInfo
+                    {
+                        FileName = "gpg.exe",
+                        Arguments = $"--quiet --decrypt {PathRequest()}\\{fileName}",
+                        UseShellExecute = false,
+                        RedirectStandardOutput = true,
+                        CreateNoWindow = true
+                    }
+                };
+
+                proc.Start();
+                while (!proc.StandardOutput.EndOfStream)
+                {
+                    string line = proc.StandardOutput.ReadLine();
+                    Clipboard.SetText(line);
+                    Process.Start("./ToastNotification.exe", $"\"{fileName} decrypted\" \"Password copied to clipboard\"");
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
     }
 }

Password Manager/PasswordListBox.cs

@@ -1,4 +1,4 @@
-using System.Runtime.CompilerServices;
+using System.Collections;
 
 namespace Password_Manager
 {
@@ -31,22 +31,23 @@ namespace Password_Manager
                 }
                 else
                 {
-                    throw new InvalidOperationException("You cannot use this method if you instantiated the object using the parameterless constructor");
+                    throw new InvalidOperationException("You cannot use the ReloadResults method if you instantiated the object using the parameterless constructor");
                 }
                 files = d.GetFiles("*.gpg");
-            } catch (ArgumentNullException e)
+            }
+            catch (ArgumentNullException e)
             {
                 MessageBox.Show(e.ToString(), "Error: Invalid path", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
 
-            string[] arrayTmp = new string[files.Length];
-            for (int i = 0; i < arrayTmp.Length; i++)
+            List<string> elements = new List<string>();
+            for (int i = 0; i < files.Length; i++)
             {
-                arrayTmp[i] = files[i].Name;
+                elements.Add(files[i].Name);
             }
-            List<string> elements = new List<string>(arrayTmp);
 
             string[] copy = elements.ToArray();
+
             string? searchQuery = SearchQueryRequest?.Invoke();
             if (searchQuery != null) //we have a search query
             {
@@ -60,6 +61,7 @@ namespace Password_Manager
             }
 
             this.DataSource = elements;
+            SelectedIndex = 0;
         }
     }
 }

Password Manager/ToastNotification.ps1

@@ -0,0 +1,36 @@
+function Show-Notification {
+    [cmdletbinding()]
+    Param (
+        [string]
+        $ToastTitle,
+        [string]
+        [parameter(ValueFromPipeline)]
+        $ToastText
+    )
+
+    [Windows.UI.Notifications.ToastNotificationManager, Windows.UI.Notifications, ContentType = WindowsRuntime] > $null
+    $Template = [Windows.UI.Notifications.ToastNotificationManager]::GetTemplateContent([Windows.UI.Notifications.ToastTemplateType]::ToastText02)
+
+    $RawXml = [xml] $Template.GetXml()
+    ($RawXml.toast.visual.binding.text | Where-Object {$_.id -eq "1"}).AppendChild($RawXml.CreateTextNode($ToastTitle)) > $null
+    ($RawXml.toast.visual.binding.text | Where-Object {$_.id -eq "2"}).AppendChild($RawXml.CreateTextNode($ToastText)) > $null
+
+    $SerializedXml = New-Object Windows.Data.Xml.Dom.XmlDocument
+    $SerializedXml.LoadXml($RawXml.OuterXml)
+
+    $Toast = [Windows.UI.Notifications.ToastNotification]::new($SerializedXml)
+    $Toast.Tag = "PowerShell"
+    $Toast.Group = "PowerShell"
+    $Toast.ExpirationTime = [DateTimeOffset]::Now.AddMinutes(1)
+
+    $Notifier = [Windows.UI.Notifications.ToastNotificationManager]::CreateToastNotifier("Password Manager")
+    $Notifier.Show($Toast);
+}
+
+param(
+    [Parameter(Mandatory)]
+    [String]$toastTitle,
+    [String]$toastText
+)
+
+Show-Notification -ToastTitle "$toastTitle" -ToastText "$toastText"