Update 2

Signed-off-by: Lev Rusanov <30170278+JDM170@users.noreply.github.com>

MainForm.Designer.cs

@@ -28,35 +28,83 @@
         /// </summary>
         private void InitializeComponent()
         {
-            this.bigButton = new System.Windows.Forms.Button();
+            this.components = new System.ComponentModel.Container();
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));
+            this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
+            this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
+            this.toggleHotkeyToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.showToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
+            this.exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.contextMenuStrip1.SuspendLayout();
             this.SuspendLayout();
             // 
-            // bigButton
+            // notifyIcon1
             // 
-            this.bigButton.Font = new System.Drawing.Font("Microsoft Sans Serif", 26.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(204)));
+            this.notifyIcon1.ContextMenuStrip = this.contextMenuStrip1;
-            this.bigButton.Location = new System.Drawing.Point(12, 12);
+            this.notifyIcon1.Icon = ((System.Drawing.Icon)(resources.GetObject("notifyIcon1.Icon")));
-            this.bigButton.Name = "bigButton";
+            this.notifyIcon1.Text = "notifyIcon1";
-            this.bigButton.Size = new System.Drawing.Size(314, 163);
+            this.notifyIcon1.Visible = true;
-            this.bigButton.TabIndex = 2;
+            this.notifyIcon1.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.notifyIcon1_MouseDoubleClick);
-            this.bigButton.Text = "SHOOOOOT";
+            // 
-            this.bigButton.UseVisualStyleBackColor = true;
+            // contextMenuStrip1
-            this.bigButton.Click += new System.EventHandler(this.btnCapture_Click);
+            // 
+            this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.showToolStripMenuItem,
+            this.toggleHotkeyToolStripMenuItem,
+            this.toolStripSeparator1,
+            this.exitToolStripMenuItem});
+            this.contextMenuStrip1.Name = "contextMenuStrip1";
+            this.contextMenuStrip1.Size = new System.Drawing.Size(222, 98);
+            // 
+            // toggleHotkeyToolStripMenuItem
+            // 
+            this.toggleHotkeyToolStripMenuItem.Name = "toggleHotkeyToolStripMenuItem";
+            this.toggleHotkeyToolStripMenuItem.Size = new System.Drawing.Size(221, 22);
+            this.toggleHotkeyToolStripMenuItem.Text = "Disable Print Screen capture";
+            this.toggleHotkeyToolStripMenuItem.Click += new System.EventHandler(this.toggleHotkeyToolStripMenuItem_Click);
+            // 
+            // showToolStripMenuItem
+            // 
+            this.showToolStripMenuItem.Name = "showToolStripMenuItem";
+            this.showToolStripMenuItem.Size = new System.Drawing.Size(221, 22);
+            this.showToolStripMenuItem.Text = "Show in Taskbar";
+            this.showToolStripMenuItem.Click += new System.EventHandler(this.showToolStripMenuItem_Click);
+            // 
+            // toolStripSeparator1
+            // 
+            this.toolStripSeparator1.Name = "toolStripSeparator1";
+            this.toolStripSeparator1.Size = new System.Drawing.Size(218, 6);
+            // 
+            // exitToolStripMenuItem
+            // 
+            this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
+            this.exitToolStripMenuItem.Size = new System.Drawing.Size(221, 22);
+            this.exitToolStripMenuItem.Text = "Exit";
+            this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click);
             // 
             // MainForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(339, 186);
-            this.Controls.Add(this.bigButton);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
             this.Name = "MainForm";
             this.Text = "MainForm";
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.MainForm_FormClosing);
+            this.contextMenuStrip1.ResumeLayout(false);
             this.ResumeLayout(false);
 
         }
 
         #endregion
-        private System.Windows.Forms.Button bigButton;
+
+        private System.Windows.Forms.NotifyIcon notifyIcon1;
+        private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
+        private System.Windows.Forms.ToolStripMenuItem toggleHotkeyToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem showToolStripMenuItem;
+        private System.Windows.Forms.ToolStripSeparator toolStripSeparator1;
+        private System.Windows.Forms.ToolStripMenuItem exitToolStripMenuItem;
     }
 }
 

MainForm.cs

@@ -1,24 +1,59 @@
 using System;
 using System.Drawing;
 using System.Windows.Forms;
+using System.Runtime.InteropServices;
 
 namespace ScreenCaptureApp
 {
     public partial class MainForm : Form
     {
+        // Импорт функции для регистрации горячих клавиш
+        [DllImport("user32.dll")]
+        private static extern bool RegisterHotKey(IntPtr hWnd, int id, int fsModifiers, int vk);
+
+        [DllImport("user32.dll")]
+        private static extern bool UnregisterHotKey(IntPtr hWnd, int id);
+
+        private const int WM_HOTKEY = 0x0312;
+        private const int PRINT_SCREEN_ID = 1;
+        private bool captureOnKeyPress = true;
+
         public MainForm()
         {
             InitializeComponent();
+            RegisterHotkey();
+            this.WindowState = FormWindowState.Minimized;
+            this.ShowInTaskbar = false;
         }
 
-        private void btnCapture_Click(object sender, EventArgs e)
+        private void RegisterHotkey()
+        {
+            // Регистрируем Print Screen (0x2C) без модификаторов (0x0)
+            if (!RegisterHotKey(this.Handle, PRINT_SCREEN_ID, 0x0, 0x2C))
+            {
+                MessageBox.Show("Failed to register Print Screen hotkey", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        protected override void WndProc(ref Message m)
+        {
+            if (m.Msg == WM_HOTKEY && captureOnKeyPress)
+            {
+                if (m.WParam.ToInt32() == PRINT_SCREEN_ID)
+                {
+                    CaptureScreen();
+                }
+            }
+            base.WndProc(ref m);
+        }
+
+        private void CaptureScreen()
         {
             this.Hide();
             using (var captureForm = new ScreenCaptureForm())
             {
                 if (captureForm.ShowDialog() == DialogResult.OK)
                 {
-                    // Добавляем кнопки для выбора действия
                     using (var resultForm = new ResultForm(captureForm.CapturedImage))
                     {
                         if (resultForm.ShowDialog() == DialogResult.OK)
@@ -75,5 +110,33 @@ namespace ScreenCaptureApp
                 default: return System.Drawing.Imaging.ImageFormat.Png;
             }
         }
+
+        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            UnregisterHotKey(this.Handle, PRINT_SCREEN_ID);
+        }
+
+        private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
+        {
+            this.WindowState = FormWindowState.Normal;
+            this.ShowInTaskbar = true;
+        }
+
+        private void showToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            this.WindowState = FormWindowState.Normal;
+            this.ShowInTaskbar = true;
+        }
+
+        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            Application.Exit();
+        }
+
+        private void toggleHotkeyToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            captureOnKeyPress = !captureOnKeyPress;
+            toggleHotkeyToolStripMenuItem.Text = captureOnKeyPress ? "Disable Print Screen capture" : "Enable Print Screen capture";
+        }
     }
 }