private void pictureBox_Paint(object sender, PaintEventArgs e)
{
Graphics graphics = e.Graphics;
switch (MODE)
{
case CircleMovingMode.mirror:
var mouseMovedFromCenterDeltaX = mouseLocationPoint.X - screenCenter.X;
var mouseMovedFromCenterDeltaY = mouseLocationPoint.Y - screenCenter.Y;
circleLeftCornerPoint = new Point(screenCenter.X - mouseMovedFromCenterDeltaX, screenCenter.Y - mouseMovedFromCenterDeltaY);
break;
case CircleMovingMode.controlledByKeyBoard:
break;
default:
circleLeftCornerPoint = new Point(mouseLocationPoint.X - radius, mouseLocationPoint.Y - radius);;
break;
}
rectangle = new Rectangle(circleLeftCornerPoint, new Size(2 * radius, 2 * radius));
graphics.FillEllipse(Brushes.Cyan, rectangle);
if (MODE == CircleMovingMode.controlledByKeyBoard)
{
MODE = CircleMovingMode.ordinary;
}
}
private void pictureBox_MouseUp(object sender, MouseEventArgs e)
{
if (MODE == CircleMovingMode.ordinary)
{
MODE = CircleMovingMode.mirror;
}
else
{
MODE = CircleMovingMode.ordinary;
}
}
private void FifthTaskForm_KeyUp(object sender, KeyEventArgs e)
{
MODE = CircleMovingMode.controlledByKeyBoard;
if (e.KeyCode == Keys.Up)
{
circleLeftCornerPoint.Y -= movingByKeyboardControlStep;
}
if (e.KeyCode == Keys.Right)
{
circleLeftCornerPoint.X += movingByKeyboardControlStep;
}
if (e.KeyCode == Keys.Down)
{
circleLeftCornerPoint.Y += movingByKeyboardControlStep;
}
if (e.KeyCode == Keys.Left)
{
circleLeftCornerPoint.X -= movingByKeyboardControlStep;
}
pictureBox.Refresh();
}
