main.cs

Microsoft?Visual C#?.NET (Core Reference)

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace MSPress.CSharpCoreRef.MouseEvents
{
    public class MainForm : System.Windows.Forms.Form
    {
        private System.ComponentModel.Container components = null;
        private System.Windows.Forms.ListBox eventListBox;
        private System.Windows.Forms.Button closeButton;
        private System.Windows.Forms.Label mouseEventArgsLabel;
        private System.Windows.Forms.Label positionLabel;

        public MainForm()
        {
            InitializeComponent();
            MouseEventHandler wheelHandler = null;
            wheelHandler = new MouseEventHandler(listBox_MouseWheel);
            eventListBox.MouseWheel += wheelHandler;
        }

        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.eventListBox = new System.Windows.Forms.ListBox();
            this.closeButton = new System.Windows.Forms.Button();
            this.positionLabel = new System.Windows.Forms.Label();
            this.mouseEventArgsLabel = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // eventListBox
            // 
            this.eventListBox.Location = new System.Drawing.Point(8, 16);
            this.eventListBox.Name = "eventListBox";
            this.eventListBox.Size = new System.Drawing.Size(296, 108);
            this.eventListBox.TabIndex = 0;
            this.eventListBox.MouseDown += new System.Windows.Forms.MouseEventHandler(this.listBox_MouseDown);
            this.eventListBox.DoubleClick += new System.EventHandler(this.listBox_DoubleClick);
            this.eventListBox.MouseHover += new System.EventHandler(this.listBox_MouseHover);
            this.eventListBox.MouseUp += new System.Windows.Forms.MouseEventHandler(this.listBox_MouseUp);
            this.eventListBox.MouseMove += new System.Windows.Forms.MouseEventHandler(this.listBox_MouseMove);
            this.eventListBox.MouseEnter += new System.EventHandler(this.listBox_MouseEnter);
            this.eventListBox.MouseLeave += new System.EventHandler(this.listBox_MouseLeave);
            // 
            // closeButton
            // 
            this.closeButton.BackColor = System.Drawing.SystemColors.Control;
            this.closeButton.Location = new System.Drawing.Point(320, 16);
            this.closeButton.Name = "closeButton";
            this.closeButton.TabIndex = 1;
            this.closeButton.Text = "Close";
            this.closeButton.Click += new System.EventHandler(this.closeButton_Click);
            // 
            // positionLabel
            // 
            this.positionLabel.Location = new System.Drawing.Point(8, 136);
            this.positionLabel.Name = "positionLabel";
            this.positionLabel.Size = new System.Drawing.Size(296, 23);
            this.positionLabel.TabIndex = 2;
            this.positionLabel.Text = "positionLabel";
            // 
            // mouseEventArgsLabel
            // 
            this.mouseEventArgsLabel.Location = new System.Drawing.Point(8, 176);
            this.mouseEventArgsLabel.Name = "mouseEventArgsLabel";
            this.mouseEventArgsLabel.Size = new System.Drawing.Size(296, 23);
            this.mouseEventArgsLabel.TabIndex = 3;
            this.mouseEventArgsLabel.Text = "mouseEventArgsLabel";
            // 
            // MainForm
            // 
            this.AcceptButton = this.closeButton;
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.AutoScroll = true;
            this.ClientSize = new System.Drawing.Size(416, 214);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.mouseEventArgsLabel,
                                                                          this.positionLabel,
                                                                          this.closeButton,
                                                                          this.eventListBox});
            this.MaximizeBox = false;
            this.Name = "MainForm";
            this.Text = "Mouse Events";
            this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.main_MouseDown);
            this.Click += new System.EventHandler(this.main_Click);
            this.DoubleClick += new System.EventHandler(this.main_DoubleClick);
            this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.main_MouseUp);
            this.MouseHover += new System.EventHandler(this.main_MouseHover);
            this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.main_MouseMove);
            this.MouseEnter += new System.EventHandler(this.main_MouseEnter);
            this.MouseLeave += new System.EventHandler(this.main_MouseLeave);
            this.ResumeLayout(false);

        }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new MainForm());
        }

        private void closeButton_Click(object sender, System.EventArgs e)
        {
            Close();
        }

        private void main_MouseDown(object sender,
                                    System.Windows.Forms.MouseEventArgs e)
        {
            UpdateEventLabels("MouseDown", e.X, e.Y, e);
		}

        private void main_Click(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("Click",
                              mousePoint.X,
                              mousePoint.Y,
                              null);
        }

        private void main_MouseUp(object sender,
                                  System.Windows.Forms.MouseEventArgs e)
        {
            UpdateEventLabels("MouseUp", e.X, e.Y, e);
        }

        private void main_DoubleClick(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("DoubleClick",
                              mousePoint.X,
                              mousePoint.Y,
                              null);
        }

        private void main_MouseEnter(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("MouseEnter",
                              mousePoint.X,
                              mousePoint.Y,
                              null);
        }

        private void main_MouseHover(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("MouseHover",
                              mousePoint.X,
                              mousePoint.Y,
                              null);
        }

        private void main_MouseLeave(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("MouseLeave",
                              mousePoint.X,
                              mousePoint.Y,
                              null);
        }

        private void main_MouseMove(object sender,
                                      System.Windows.Forms.MouseEventArgs e)
        {
            UpdateEventLabels("MouseMove", e.X, e.Y, e);
        }

        private void UpdateEventLabels(string msg,
                                       int x,
                                       int y,
                                       MouseEventArgs e)
        {
            string message = string.Format("{0} X:{1}, Y:{2}",
                                           msg,
                                           x,
                                           y);
            positionLabel.Text = message;
            string eventMsg = DateTime.Now.ToShortTimeString();
            eventMsg += " " + message;
            eventListBox.Items.Insert(0, eventMsg);
            eventListBox.TopIndex = 0;

            string mouseInfo;
            if(e != null)
            {
                mouseInfo = string.Format("Clicks: {0}, Delta: {1}, " + 
                                          "Buttons: {2}",
                                          e.Clicks,
                                          e.Delta,
                                          e.Button.ToString());
            }
            else
            {
                mouseInfo = "";
            }
            mouseEventArgsLabel.Text = mouseInfo;
        }

        private void listBox_MouseMove(object sender,
                                      System.Windows.Forms.MouseEventArgs e)
        {
            UpdateEventLabels("(ListBox)MouseMove", e.X, e.Y, e);
        }

        private void listBox_MouseEnter(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("(ListBox)MouseEnter",
                              mousePoint.X,
                              mousePoint.Y,
                              null);
        }

        private void listBox_MouseHover(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("(ListBox)MouseHover",
                              mousePoint.X,
                              mousePoint.Y,
                              null);
        }

        private void listBox_MouseLeave(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("(ListBox)MouseLeave",
                              mousePoint.X,
                              mousePoint.Y,
                              null);
        }

        private void listBox_MouseUp(object sender,
                                      System.Windows.Forms.MouseEventArgs e)
        {
            UpdateEventLabels("(ListBox)MouseUp", e.X, e.Y, e);
        }

        private void listBox_MouseDown(object sender,
                                      System.Windows.Forms.MouseEventArgs e)
        {
            UpdateEventLabels("(ListBox)MouseDown", e.X, e.Y, e);
        }

        private void listBox_MouseWheel(object sender,
                                      System.Windows.Forms.MouseEventArgs e)
        {
            UpdateEventLabels("(ListBox)MouseWheel", e.X, e.Y, e);
        }

        private void listBox_DoubleClick(object sender, System.EventArgs e)
        {
            Point mousePoint = PointToClient(MousePosition);
            UpdateEventLabels("(ListBox)DoubleClick",
                               mousePoint.X,
                               mousePoint.Y,
                               null);
       }
    }
}