private void Form1_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
if (Start_Point.Equals(Point.Empty))
{
Start_Point = new Point(e.X, e.Y);
}
if (draw)
{
Now_Point = new Point(e.X, e.Y);
Graphics g = this.CreateGraphics();
Pen pen = new Pen(Color.Red, 3);
g.DrawLine(pen, Start_Point, Now_Point);
}
Start_Point = new Point(e.X, e.Y);
}
else
{
Start_Point = new Point(e.X, e.Y);
}
}
private void Button_Click_4(object sender, RoutedEventArgs e)
{
Start_Point.Clear();
Taylor_Number.Clear();
Draw_t.Children.Clear();
}
