int x1, y1 = 0;
bool c = false;
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
x1 = e.X;
y1 = e.Y;
c = true;
al.Add(new Point(e.X, e.Y));
}
System.Collections.ArrayList al = new System.Collections.ArrayList();
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
if (c == true)
{
System.Drawing.Drawing2D.LinearGradientBrush brush1= new
System.Drawing.Drawing2D.LinearGradientBrush(
new Rectangle(0, 0, 2, 2), Color.YellowGreen, Color.Green,
System.Drawing.Drawing2D.LinearGradientMode.BackwardDiagonal);
Bitmap b = new Bitmap(Width, Height);
Graphics g = Graphics.FromImage(b);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
al.Add(new Point(e.X, e.Y));
Point[] p = new Point[al.Count];
al.CopyTo(p);
g.DrawLines(new Pen(brush1,5), p);
this.BackgroundImage = b;
}
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
c = false;
}
private void numericUpDown1_ValueChanged(object sender, EventArgs e)
{
int a, b, c, d = 0;
a = int.Parse(numericUpDown1.Value.ToString());
b = a * 3600;
c = b / 1000;
d = 50;
System.Drawing.Drawing2D.LinearGradientBrush b1 = new System.Drawing.Drawing2D.LinearGradientBrush(new
Rectangle(50, 20, 190, 170), Color.Yellow, Color.Green, System.Drawing.Drawing2D.LinearGradientMode.ForwardDiagonal);
SolidBrush sb = new SolidBrush(Color.Black);
Bitmap bit = new Bitmap(Width, Height);
Graphics g = Graphics.FromImage(bit);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
g.DrawPie(new Pen(sb, 1), d, 20, 190, 170, 0, 360);
sb.Color = Color.Silver;
g.FillPie(sb, d, 20, 190, 170, 0, 360);
sb.Color = Color.Black;
g.DrawPie(new Pen(sb, 1), d, 20, 190, 170, -c, c);
sb.Color = Color.Yellow;
g.FillPie(b1, d, 20, 190, 170, -c, c);
this.BackgroundImage = bit;
}
private void Form1_Load(object sender, EventArgs e)
{
numericUpDown1_ValueChanged(null, null);
}
using System.Runtime.InteropServices;
private const int SC_CLOSE = 0xF060;
private const int MF_GRAYED = 0x1;
[DllImport("user32.dll")]
private static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert);
[DllImport("user32.dll")]
private static extern int EnableMenuItem(IntPtr hMenu, int wIDEnableItem, int wEnable);
private void Form1_Load(object sender, System.EventArgs e)
{
EnableMenuItem(GetSystemMenu(this.Handle, false), SC_CLOSE, MF_GRAYED);
}
private void Form1_Load(object sender, EventArgs e)
{
this.Height = 350;
this.Width = 350;
//Creating circle path
System.Drawing.Drawing2D.GraphicsPath path = new System.Drawing.Drawing2D.GraphicsPath();
path.AddEllipse(0, 0, 300, 300);
//Creating the region from the circle path
this.Region = new Region(path);
this.Show();
}
private void Form1_Load(object sender, EventArgs e)
{
Bitmap b = new Bitmap(pictureBox1.Width,pictureBox1.Height);
Graphics g = Graphics.FromImage(b);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
for (int i = 1; i <=4; i++)
{
float f1 = (float)Math.Sin(Math.PI / 2 * i) * b.Width / 2 + b.Width / 2;
float f2 = (float)Math.Cos(Math.PI / 2 * i) * b.Height / 2 + b.Height / 2;
float f3 = (float)Math.Sin(Math.PI / 2 * i) * 90 + b.Width / 2;
float f4 = (float)Math.Cos(Math.PI / 2 * i) * 90 + b.Height / 2;
g.DrawLine(new Pen(Brushes.Black, 2), f3 ,
f4, f1, f2);
}
System.Drawing.Drawing2D.LinearGradientBrush l = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(0, 0, Width, Height),
Color.YellowGreen, Color.Green, System.Drawing.Drawing2D.LinearGradientMode.ForwardDiagonal);
g.FillEllipse(l, new Rectangle(0, 0, b.Width - 1, b.Height - 1));
g.DrawEllipse(new Pen(Brushes.Black), new Rectangle(0, 0, b.Width - 1, b.Height - 1));
pictureBox1.BackgroundImage = b;
}
private void timer1_Tick(object sender, EventArgs e)
{
Bitmap b = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics g = Graphics.FromImage(b);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
DateTime dt = DateTime.Now;
double i1 = (dt.Minute * 360) / 60;
float fm1 = (float)(Math.Sin(Math.PI * i1 / 180) * (b.Width / 2 - 20) + b.Width / 2);
float fm2 = (float)(-Math.Cos(Math.PI * i1 / 180) * (b.Height / 2 - 20) + b.Height / 2);
float fm3 = (float)(-Math.Sin(Math.PI * i1 / 180) * (b.Width / 2 - 90) + b.Width / 2);
float fm4 = (float)(Math.Cos(Math.PI * i1 / 180) * (b.Height / 2 - 90) + b.Height / 2);
#region Hour
double i2 = (dt.Hour * 360) / 12 ;
float fh1 = (float)(Math.Sin(Math.PI * i2 / 180) * (b.Width / 2 - 50) + b.Width / 2);
float fh2 = (float)(-Math.Cos(Math.PI * i2 / 180) * (b.Height / 2 - 50) + b.Height / 2);
float fh3 = (float)(-Math.Sin(Math.PI * i2 / 180) * (b.Width / 2 - 90) + b.Width / 2);
float fh4 = (float)(Math.Cos(Math.PI * i2 / 180) * (b.Height / 2 - 90) + b.Height / 2);
g.DrawLine(new Pen(Brushes.Black, 6), b.Width / 2, b.Height / 2, fh1, fh2);
g.DrawLine(new Pen(Brushes.Black, 6), b.Width / 2, b.Height / 2, fh3, fh4);
#endregion
#region Minute
g.DrawLine(new Pen(Brushes.Blue, 3), b.Width / 2, b.Height / 2, fm1, fm2);
g.DrawLine(new Pen(Brushes.Blue, 3), b.Width / 2, b.Height / 2, fm3, fm4);
#endregion
#region Second
double i = (dt.Second * 360) / 60;
float f1 = (float)(Math.Sin(Math.PI * i / 180) * (b.Width / 2 - 15) + b.Width / 2);
float f2 = (float)(-Math.Cos(Math.PI * i / 180) * (b.Height / 2 - 15) + b.Height / 2);
float f3 = (float)(-Math.Sin(Math.PI * i / 180) * (b.Width / 2 - 70) + b.Width / 2);
float f4 = (float)(Math.Cos(Math.PI * i / 180) * (b.Height / 2 - 70) + b.Height / 2);
g.DrawLine(new Pen(Brushes.Red, 1), b.Width / 2, b.Height / 2, f1, f2);
g.DrawLine(new Pen(Brushes.Red, 1), b.Width / 2, b.Height / 2, f3, f4);
#endregion
g.FillEllipse(Brushes.Black, new Rectangle(b.Width / 2 - 6, b.Height / 2 - 6, 12, 12));
pictureBox1.Image = b;
}