using System; using System.Windows.Forms; using System.Drawing; public class MainWindow : Form { public MainWindow() { Height = 300; Width = 500; this.MouseMove += new MouseEventHandler(MainForm_MouseMove); this.MouseUp += new MouseEventHandler(MainForm_MouseUp); this.KeyUp += new KeyEventHandler(MainForm_KeyUp); } protected void MainForm_MouseMove(object sender, MouseEventArgs e) { this.Text = string.Format("Current Pos: ({0}, {1})", e.X, e.Y); } protected void MainForm_MouseUp(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) MessageBox.Show("Left click!"); if (e.Button == MouseButtons.Right) MessageBox.Show("Right click!"); if (e.Button == MouseButtons.Middle) MessageBox.Show("Middle click!"); } protected void MainForm_KeyUp(object sender, KeyEventArgs e) { MessageBox.Show(e.KeyCode.ToString(), "Key Pressed!"); } public static void Main(string[] args) { Application.Run(new MainWindow()); } }
Author: coder
Register Form window message filter
using System; using System.Windows.Forms; using Microsoft.Win32; public class MyMessageFilter : IMessageFilter { public bool PreFilterMessage(ref Message m) { // Intercept the left mouse button down message. if (m.Msg == 513) { Console.WriteLine("WM_LBUTTONDOWN is: " + m.Msg); return true; } return false; } } public class mainForm : System.Windows.Forms.Form { private MyMessageFilter msgFliter = new MyMessageFilter(); public mainForm() { GetStats(); Application.ApplicationExit += new EventHandler(Form_OnExit); Application.AddMessageFilter(msgFliter); } [STAThread] static void Main() { Application.Run(new mainForm()); } private void GetStats() { Console.WriteLine(Application.CompanyName+ " Company:"); Console.WriteLine(Application.ProductName+ " App Name:"); Console.WriteLine(Application.StartupPath); } // Event handlers. private void Form_OnExit(object sender, EventArgs evArgs) { Console.WriteLine("Exit", "This app is dead..."); Application.RemoveMessageFilter(msgFliter); } }
Cast event sender to a control
using System; using System.Drawing; using System.Windows.Forms; class InstantiateHelloWorld { public static void Main() { Form form = new Form(); form.Text = "Instantiate " + form.Text; form.Paint += new PaintEventHandler(MyPaintHandler); Application.Run(form); } static void MyPaintHandler(object objSender, PaintEventArgs pea) { Form form = (Form)objSender; Graphics graphics = pea.Graphics; graphics.DrawString("Hello from InstantiateHelloWorld!", form.Font, Brushes.Black, 0, 100); } }
Keyboard Sample
/* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, Zach Greenvoss, Shripad Kulkarni, Neil Whitlow Publisher: Peer Information ISBN: 1861007663 */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Text; namespace KeyboardSample { /// <summary> /// Summary description for KeyboardSample. /// </summary> public class KeyboardSample : System.Windows.Forms.Form { private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.TextBox textBox2; private System.Windows.Forms.GroupBox groupBox1; private System.Windows.Forms.Label label1; private System.Windows.Forms.GroupBox groupBox2; private System.Windows.Forms.Label label2; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public KeyboardSample() { // // Required for Windows Form Designer support // InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.textBox1 = new System.Windows.Forms.TextBox(); this.textBox2 = new System.Windows.Forms.TextBox(); this.groupBox1 = new System.Windows.Forms.GroupBox(); this.label1 = new System.Windows.Forms.Label(); this.groupBox2 = new System.Windows.Forms.GroupBox(); this.label2 = new System.Windows.Forms.Label(); this.groupBox1.SuspendLayout(); this.groupBox2.SuspendLayout(); this.SuspendLayout(); // // textBox1 // this.textBox1.Location = new System.Drawing.Point(16, 24); this.textBox1.Name = "textBox1"; this.textBox1.Size = new System.Drawing.Size(168, 20); this.textBox1.TabIndex = 5; this.textBox1.Text = ""; this.textBox1.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox1_KeyDown); // // textBox2 // this.textBox2.Location = new System.Drawing.Point(16, 24); this.textBox2.Name = "textBox2"; this.textBox2.Size = new System.Drawing.Size(168, 20); this.textBox2.TabIndex = 6; this.textBox2.Text = ""; this.textBox2.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textBox2_KeyDown); // // groupBox1 // this.groupBox1.Controls.AddRange(new System.Windows.Forms.Control[] { this.label1, this.textBox1}); this.groupBox1.Location = new System.Drawing.Point(8, 8); this.groupBox1.Name = "groupBox1"; this.groupBox1.TabIndex = 7; this.groupBox1.TabStop = false; this.groupBox1.Text = "Key Monitor"; // // label1 // this.label1.Location = new System.Drawing.Point(16, 64); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(168, 20); this.label1.TabIndex = 6; // // groupBox2 // this.groupBox2.Controls.AddRange(new System.Windows.Forms.Control[] { this.textBox2, this.label2}); this.groupBox2.Location = new System.Drawing.Point(8, 120); this.groupBox2.Name = "groupBox2"; this.groupBox2.TabIndex = 8; this.groupBox2.TabStop = false; this.groupBox2.Text = "Keys Enumeration"; // // label2 // this.label2.Location = new System.Drawing.Point(16, 64); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(168, 20); this.label2.TabIndex = 9; // // KeyboardSample // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(216, 229); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.groupBox2, this.groupBox1}); this.Name = "KeyboardSample"; this.Text = "KeyboardSample"; this.groupBox1.ResumeLayout(false); this.groupBox2.ResumeLayout(false); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new KeyboardSample()); } private void textBox1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { label1.Text = Convert.ToString(e.KeyValue); } private void textBox2_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { StringBuilder sb = new StringBuilder(); if(e.Shift) sb.Append("Shift, "); if(e.Alt) sb.Append("Alt, "); if(e.Control) sb.Append("Ctrl, "); if(e.KeyCode==Keys.W||e.KeyCode==Keys.R||e.KeyCode==Keys.O||e.KeyCode==Keys.X) { sb.Append("Wrox Press!!"); } else if(e.KeyCode==Keys.Escape&&e.Modifiers==(Keys.Shift|Keys.Alt)) { sb.Append("Escape - that won't work!"); } else if(e.KeyCode == Keys.C && e.Modifiers==(Keys.Alt | Keys.Control)) { sb.Append("CopyRight"); textBox2.SelectedText = "CopyRight"; textBox2.SelectionLength = 0; } else { sb.Append(Convert.ToString(e.KeyData)); } label2.Text = sb.ToString(); } } }
Key Timer
/* Professional Windows GUI Programming Using C# by Jay Glynn, Csaba Torok, Richard Conway, Wahid Choudhury, Zach Greenvoss, Shripad Kulkarni, Neil Whitlow Publisher: Peer Information ISBN: 1861007663 */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Runtime.InteropServices; namespace Wrox.ProgrammingWindowsGUI.Chapter5 { /// <summary> /// Summary description for Form1. /// </summary> public class KeyTimer : System.Windows.Forms.Form { /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; private uint start = 0; private uint stop = 0; [DllImport("kernel32.dll")] public static extern uint GetTickCount(); public KeyTimer() { // // Required for Windows Form Designer support // //InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 142); this.Name = "Form1"; this.Text = "Form1"; } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new KeyTimer()); } protected override void OnKeyDown(KeyEventArgs args) { start = GetTickCount(); } protected override void OnKeyUp(KeyEventArgs args) { stop = GetTickCount(); uint elapsed = (stop - start); MessageBox.Show(Convert.ToString(args.KeyData)+", time elapsed: "+Convert.ToString(elapsed)+" msecs"); } } }
Key Press
/* GDI+ Programming in C# and VB .NET by Nick Symmonds Publisher: Apress ISBN: 159059035X */ using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace KeyPress { /// <summary> /// Summary description for KeyPress. /// </summary> public class KeyPress : System.Windows.Forms.Form { private System.Windows.Forms.Button button1; private System.Windows.Forms.Button button2; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public KeyPress() { // // Required for Windows Form Designer support // InitializeComponent(); // // TODO: Add any constructor code after InitializeComponent call // } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.button1 = new System.Windows.Forms.Button(); this.button2 = new System.Windows.Forms.Button(); this.SuspendLayout(); // // button1 // this.button1.Location = new System.Drawing.Point(184, 104); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(80, 48); this.button1.TabIndex = 0; this.button1.Text = "button1"; // // button2 // this.button2.Location = new System.Drawing.Point(176, 192); this.button2.Name = "button2"; this.button2.Size = new System.Drawing.Size(80, 32); this.button2.TabIndex = 1; this.button2.Text = "button2"; // // KeyPress // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 273); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.button2, this.button1}); this.Name = "KeyPress"; this.Text = "KeyPress"; this.Load += new System.EventHandler(this.KeyPress_Load); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new KeyPress()); } private void KeyPress_Load(object sender, System.EventArgs e) { this.KeyPreview=true; } protected override void OnKeyPress(KeyPressEventArgs e) { MessageBox.Show("Key Pressed = " + e.KeyChar.ToString()); } } }
Full screen and KeyEvent and MouseEvent
// This Article is a simple one to show the usage of KeyEvent and MouseEvent. // Please move the mouse or press a key to Exit this Program. using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; namespace ScreenSave { public class KeyEventandMouseEvent : System.Windows.Forms.Form { private System.Windows.Forms.Label label1; private System.Windows.Forms.Timer timer1; private System.ComponentModel.IContainer components; private Boolean boolFlag; private int ixStart; private int iyStart; public KeyEventandMouseEvent() { // // Required for Windows Form Designer support // InitializeComponent(); } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.timer1 = new System.Windows.Forms.Timer(this.components); this.label1 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // timer1 // this.timer1.Enabled = true; this.timer1.Tick += new System.EventHandler(this.timer1_Tick); // // label1 // this.label1.Font = new System.Drawing.Font("Times New Roman", 14F, (System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic), System.Drawing.GraphicsUnit.Point, ((System.Byte)(0))); this.label1.ForeColor = System.Drawing.Color.Lime; this.label1.Location = new System.Drawing.Point(8, 280); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(312, 32); this.label1.TabIndex = 0; this.label1.Text = "Roller - Developed in C-Sharp"; this.label1.Click += new System.EventHandler(this.label1_Click); // // KeyEventandMouseEvent // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(64)), ((System.Byte)(64)), ((System.Byte)(64))); this.ClientSize = new System.Drawing.Size(568, 32); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.label1}); this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; this.KeyPreview = true; this.Name = "KeyEventandMouseEvent"; this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = "KeyEventandMouseEvent"; this.WindowState = System.Windows.Forms.FormWindowState.Maximized; this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.OnKeyPressEvent); this.Load += new System.EventHandler(this.KeyEventandMouseEvent_Load); this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.OnMouseMoveEvent); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new KeyEventandMouseEvent()); } private void timer1_Tick(object sender, System.EventArgs e) { int i; i = label1.Location.X; if (i >= 750) i = 0; else i = label1.Location.X + 5; label1.Location = new Point(i,280); } private void KeyEventandMouseEvent_Load(object sender, System.EventArgs e) { } private void OnMouseMoveEvent(object sender,MouseEventArgs e) { //Application.Exit(); if (ixStart == 0 && iyStart == 0) { ixStart = e.X; iyStart = e.Y; } else if (e.X != ixStart || e.Y != iyStart) Application.Exit(); } private void OnKeyPressEvent(object sender, System.Windows.Forms.KeyPressEventArgs e) { Application.Exit(); } private void label1_Click(object sender, System.EventArgs e) { } } }