using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form { Label Label1; TextBox TextBox1; Button Button1; public Form1() { InitializeComponent(); } private void ctrlClick(System.Object sender, EventArgs e) { Control ctrl = (Control)sender; MessageBox.Show("You clicked: " + ctrl.Name); } private void InitializeComponent() { this.Label1 = new System.Windows.Forms.Label(); this.TextBox1 = new System.Windows.Forms.TextBox(); this.Button1 = new System.Windows.Forms.Button(); this.SuspendLayout(); // // Label1 // this.Label1.FlatStyle = System.Windows.Forms.FlatStyle.System; this.Label1.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.Label1.Location = new System.Drawing.Point(14, 97); this.Label1.Name = "Label1"; this.Label1.Size = new System.Drawing.Size(112, 24); this.Label1.TabIndex = 8; this.Label1.Text = "Label1"; this.Label1.Click += new System.EventHandler(this.ctrlClick); // // TextBox1 // this.TextBox1.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.TextBox1.Location = new System.Drawing.Point(12, 61); this.TextBox1.Name = "TextBox1"; this.TextBox1.Size = new System.Drawing.Size(156, 21); this.TextBox1.TabIndex = 7; this.TextBox1.Text = "TextBox1"; this.TextBox1.Click += new System.EventHandler(this.ctrlClick); // // Button1 // this.Button1.FlatStyle = System.Windows.Forms.FlatStyle.System; this.Button1.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.Button1.Location = new System.Drawing.Point(12, 21); this.Button1.Name = "Button1"; this.Button1.Size = new System.Drawing.Size(96, 28); this.Button1.TabIndex = 6; this.Button1.Text = "Button1"; this.Button1.Click += new System.EventHandler(this.ctrlClick); // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(367, 281); this.Controls.Add(this.Label1); this.Controls.Add(this.TextBox1); this.Controls.Add(this.Button1); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.Name = "Form1"; this.Text = "Control Medley"; this.ResumeLayout(false); this.PerformLayout(); } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); } }
Author: coder
System Events: User Preference Changed
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using Microsoft.Win32; public class Form1 : Form { private System.Windows.Forms.Label label2; public Form1() { this.Font = SystemFonts.IconTitleFont; this.AutoScaleDimensions = new System.Drawing.SizeF(6.0F, 13.0F); InitializeComponent(); SystemEvents.UserPreferenceChanged += new UserPreferenceChangedEventHandler(SystemEvents_UserPreferenceChanged); } private void SystemEvents_UserPreferenceChanged(object sender, UserPreferenceChangedEventArgs e) { if (e.Category == UserPreferenceCategory.Window) { this.Font = SystemFonts.IconTitleFont; } } private void InitializeComponent() { this.label2 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // label2 // this.label2.Location = new System.Drawing.Point(12, 9); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(220, 55); this.label2.TabIndex = 2; this.label2.Text = "Try changing the Small Fonts/Large Fonts setting for th" + "e computer."; // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(244, 138); this.Controls.Add(this.label2); this.Text = "Form1"; this.ResumeLayout(false); } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); } }
Get Event sender in event handler
using System; using System.Drawing; using System.Windows.Forms; class TwoButtons: Form { readonly Button btnLarger, btnSmaller; readonly int cxBtn, cyBtn, dxBtn; public static void Main() { Application.Run(new TwoButtons()); } public TwoButtons() { ResizeRedraw = true; cxBtn = 200; cyBtn = 100; dxBtn = 12; btnLarger = new Button(); btnLarger.Parent = this; btnLarger.Text = "&Larger"; btnLarger.Size = new Size(cxBtn, cyBtn); btnLarger.Click += new EventHandler(ButtonOnClick); btnSmaller = new Button(); btnSmaller.Parent = this; btnSmaller.Text = "&Smaller"; btnSmaller.Size = new Size(cxBtn, cyBtn); btnSmaller.Click += new EventHandler(ButtonOnClick); OnResize(EventArgs.Empty); } protected override void OnResize(EventArgs ea) { base.OnResize(ea); btnLarger.Location = new Point(ClientSize.Width / 2 - cxBtn - dxBtn / 2, (ClientSize.Height - cyBtn) / 2); btnSmaller.Location = new Point(ClientSize.Width / 2 + dxBtn / 2, (ClientSize.Height - cyBtn) / 2); } void ButtonOnClick(object obj, EventArgs ea) { Button btn = (Button) obj; if (btn == btnLarger) { Left -= (int)(0.1 * Width); Top -= (int)(0.1 * Height); Width += (int)(0.1 * Width); Height += (int)(0.1 * Height); } else { Left += (int)(Width / 22f); Top += (int)(Height / 22f); Width -= (int)(Width / 11f); Height -= (int)(Height / 11f); } } }
Hit Testing
/* 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.Drawing.Drawing2D; namespace HitTesting { /// <summary> /// Summary description for HitTesting. /// </summary> public class HitTesting : System.Windows.Forms.Form { /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; private System.Windows.Forms.Label label1; GraphicsPath gP; string mes = "Move to the big I!"; FontFamily fF = new FontFamily("Times new roman"); public HitTesting() { // // Required for Windows Form Designer support // InitializeComponent(); CreateFont(); this.Text = "Hit Testing"; this.label1.Font = new Font(fF, 12); // // 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.label1 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // label1 // this.label1.Location = new System.Drawing.Point(88, 16); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(160, 23); this.label1.TabIndex = 0; this.label1.Text = "label1"; // // HitTesting // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 109); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.label1}); this.Name = "HitTesting"; this.Text = "HitTesting"; this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.HitTesting_MouseMove); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new HitTesting()); } void CreateFont() { Graphics g = this.CreateGraphics(); label1.Text = mes; string s = "I"; int fSt = (int)FontStyle.Regular; Point xy = new Point(50, 10); StringFormat sFr = StringFormat.GenericDefault; gP = new GraphicsPath(); // gp is a class member gP.AddString(s, fF, fSt, 50, xy, sFr); // add the string to the path } protected override void OnPaint(System.Windows.Forms.PaintEventArgs e) { Graphics g = this.CreateGraphics(); g.DrawPath(Pens.Black, gP); // draw the path to the surface g.Dispose(); } private void HitTesting_MouseMove(object sender, MouseEventArgs e) { Region reg = new Region(gP); if(reg.IsVisible(new Point(e.X, e.Y))) mes = "You touched me ..."; else mes = "Move to the big I!"; CreateFont(); } } }
Mouse Handler
/* 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 MouseHandler_c { /// <summary> /// Summary description for Finally_c. /// </summary> public class MouseHandler_c : System.Windows.Forms.Form { private System.Windows.Forms.Label label1; private System.Windows.Forms.Button Off; private System.Windows.Forms.Button On; /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public MouseHandler_c() { // // Required for Windows Form Designer support // InitializeComponent(); this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.MyMouseHandler); } /// <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.label1 = new System.Windows.Forms.Label(); this.Off = new System.Windows.Forms.Button(); this.On = new System.Windows.Forms.Button(); this.SuspendLayout(); // // label1 // this.label1.Location = new System.Drawing.Point(40, 56); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(176, 16); this.label1.TabIndex = 0; this.label1.Text = "label1"; // // Off // this.Off.Location = new System.Drawing.Point(40, 216); this.Off.Name = "Off"; this.Off.Size = new System.Drawing.Size(72, 24); this.Off.TabIndex = 1; this.Off.Text = "Off"; this.Off.Click += new System.EventHandler(this.Off_Click); // // On // this.On.Location = new System.Drawing.Point(152, 216); this.On.Name = "On"; this.On.Size = new System.Drawing.Size(72, 24); this.On.TabIndex = 2; this.On.Text = "On"; this.On.Click += new System.EventHandler(this.On_Click); // // MouseHandler_c // 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.On, this.Off, this.label1}); this.Name = "MouseHandler_c"; this.Text = "MouseHandler_c"; this.Load += new System.EventHandler(this.MouseHandler_c_Load); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new MouseHandler_c()); } private void MouseHandler_c_Load(object sender, System.EventArgs e) { } private void MyMouseHandler(object sender, System.Windows.Forms.MouseEventArgs e) { label1.Text = "X= " + e.X.ToString() + ", Y= " + e.Y.ToString(); } protected override void OnMouseMove( MouseEventArgs e ) { base.OnMouseMove(e); } private void Off_Click(object sender, System.EventArgs e) { this.MouseMove -= new System.Windows.Forms.MouseEventHandler(this.MyMouseHandler); } private void On_Click(object sender, System.EventArgs e) { this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.MyMouseHandler); } } }
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) { } } }
Mouse move
/* 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; using System.Runtime.InteropServices; namespace moveme { public class moveme : System.Windows.Forms.Form { private const int WM_NCLBUTTONDOWN = 0xA1; [DllImport("user32.dll")] internal extern static int ReleaseCapture(); [DllImport("user32.dll")] internal extern static int SendMessageA( IntPtr windowHandle, int wMsg, int wPAram, int lParam ); private System.ComponentModel.Container components = null; public moveme() { InitializeComponent(); this.MouseMove += new MouseEventHandler(this.MyMouseMove); } 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() { // // moveme // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 273); this.Name = "moveme"; this.Text = "moveme"; this.Load += new System.EventHandler(this.moveme_Load); } #endregion [STAThread] static void Main() { Application.Run(new moveme()); } private void moveme_Load(object sender, System.EventArgs e) { } private void MyMouseMove(object sender, MouseEventArgs e) { if (e.Button==MouseButtons.Left) { ReleaseCapture(); SendMessageA( this.Handle, WM_NCLBUTTONDOWN, 2, 0); } } } }