一个c#模拟时钟的源代码

王朝学院·作者佚名  2009-11-04
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using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.Drawing.Drawing2D;

namespace AnalogClock

{

public class AnalogClock : System.Windows.Forms.Form

{

private System.Windows.Forms.Timer timer1;

private System.ComponentModel.IContainer components;

public AnalogClock()

{

InitializeComponent();

//初始化;

}

protected override void Dispose( bool disposing )

{

if( disposing )

{

if (components != null)

{

components.Dispose();

}

}

base.Dispose( disposing );

}

#region Windows Form Designer generated code

private void InitializeComponent()

{

this.components = new System.ComponentModel.Container();

System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(AnalogClock));

this.timer1 = new System.Windows.Forms.Timer(this.components);

//

// timer1

//

this.timer1.Enabled = true;

this.timer1.Interval = 1000;

this.timer1.Tick += new System.EventHandler(this.OnTick);

//

// AnalogClock

//

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

this.BackColor = System.Drawing.SystemColors.Control;

this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));

this.ClientSize = new System.Drawing.Size(306, 271);

this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;

this.MaximizeBox = false;

this.Name = "AnalogClock";

this.Text = "模拟时钟 v1.1 neowang008";

this.Load += new System.EventHandler(this.AnalogClock_Load);

this.Paint += new System.Windows.Forms.PaintEventHandler(this.OnFormPaint);

}

#endregion

[STAThread]

static void Main()

{

Application.Run(new AnalogClock());

}

private void OnFormPaint(object sender, System.Windows.Forms.PaintEventArgs e)

{

Graphics g = e.Graphics;

g.TranslateTransform(ClientSize.Width/2, ClientSize.Height/2, MatrixOrder.Append);

DrawClock( e.Graphics );

}

private void DrawClock(Graphics g)

{

const double pai = Math.PI;

Point center = new Point (0, 0);

DateTime time = DateTime.Now;

//读取时间;

double secAng = 2.0*pai*time.Second/60.0;

double minAng = 2.0*pai*(time.Minute + time.Second/60.0)/60.0;

double hourAng = 2.0*pai*(time.Hour + time.Minute/60.0)/12.0;

//各指针单位换算;

int r = Math.Min( ClientSize.Width, ClientSize.Height ) / 2;

int secHandLength = (int)(0.65*r);

int minHandLength = (int)(0.6*r);

int hourHandLength = (int)(0.5*r);

//指针的长度定义;

Point secHand = new Point((int)(secHandLength*Math.Sin(secAng)),

(int)(-secHandLength*Math.Cos(secAng)));

Point minHand = new Point((int)(minHandLength*Math.Sin(minAng)),

(int)(-minHandLength*Math.Cos(minAng)));

Point hourHand = new Point((int)(hourHandLength*Math.Sin(hourAng)),

(int)(-hourHandLength*Math.Cos(hourAng)));

//刷新指针;

Pen SecPen = new Pen(Color.Red, 1);

g.DrawLine(SecPen, center, secHand);

Pen MinPen = new Pen(Color.RoyalBlue, 3);

g.DrawLine(MinPen, center, minHand);

Pen HourPen = new Pen(Color.CornflowerBlue, 5);

g.DrawLine(HourPen, center, hourHand);

//指针的样式定义;

}

private void OnTick(object sender, System.EventArgs e)

{

Invalidate();

}

private void AnalogClock_Load(object sender, System.EventArgs e)

{

}

}

}

 
 
 
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