//Function : autoDrawLine
//Description : Draw multiple lines at different position.
//
//Parameters : NONE
//
//Returns :NONE
//
//
private void autoDrawLine()
{
Random pRandom = new Random();
Point pStart = new Point(pRandom.Next(20, (this.Width) / 4 + 1), pRandom.Next(20, (this.Height)/4 + 1));
int unitX = 7;
int unitY = 7;
int times = 0;
for (times = 0; times < 50; times++ )
{
DrawLine line = new DrawLine(this.CreateGraphics());
line.BackgroundColor = this.BackColor;
Thread t = new Thread(new ThreadStart(line.DrawLines));
lines.Add(line);
tRepo.Add(t);
pStart.X += unitX;
pStart.Y += unitX;
line.XCentre = pStart.X;
line.YCentre = pStart.Y;
line.nScreenLength = this.Height;
line.nScreenWidth = this.Width;
if (pStart.X >= this.Width)
{
unitX = -unitX;
}
else if (pStart.X <= 0)
{
unitX = -unitX;
}
if (pStart.Y >= this.Height)
{
unitY = -unitY;
}
else if (pStart.Y <= 0)
{
unitY = -unitY;
}
Thread.Sleep(10);
t.Start();
}
}
//Function :DrawLine_MouseMove
//Description :Draw lines when mouse moving
//
//Parameters :MouseEventArgs e: mouse move event
//
//Returns :None
//
//
private void DrawLine_MouseMove(MouseEventArgs e)
{
DrawLine line = new DrawLine(this.CreateGraphics());
line.BackgroundColor = this.BackColor;
Thread t = new Thread(new ThreadStart(line.DrawLines));
lines.Add(line);
tRepo.Add(t);
line.XCentre = e.X;
line.YCentre = e.Y;
line.nScreenLength = this.Height;
line.nScreenWidth = this.Width;
t.Start();
}