public void MouseDown(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
downpoint = e.Location;
curstatus = GetCurrStatus(downpoint);
prepoint = curpoint = downpoint;
}
}
public void MouseUp(MouseEventArgs e)
{
curstatus = SizeChangeDirection.NA;
modflag = 0;
}
public SizeChangeDirection GetCurrStatus(Point p, bool bupdate = true)
{
SizeChangeDirection x = SizeChangeDirection.NA;
if (Math.Abs(objectRectangle.Top - p.Y) < 3 &&
p.X > objectRectangle.Left && p.X < objectRectangle.Right)
{
if (bupdate)
{
modflag = 1;
}
return(SizeChangeDirection.TOP);
}
else if (Math.Abs(chipRectangle.Top - p.Y) < 3 &&
p.X > chipRectangle.Left && p.X < chipRectangle.Right)
{
if (bupdate)
{
modflag = 2;
}
return(SizeChangeDirection.TOP);
}
else if (Math.Abs(objectRectangle.Left - p.X) < 3 &&
p.Y > objectRectangle.Top && p.Y < objectRectangle.Bottom)
{
if (bupdate)
{
modflag = 1;
}
return(SizeChangeDirection.LEFT);
}
else if (Math.Abs(chipRectangle.Left - p.X) < 3 &&
p.Y > chipRectangle.Top && p.Y < chipRectangle.Bottom)
{
if (bupdate)
{
modflag = 2;
}
return(SizeChangeDirection.LEFT);
}
else if (Math.Abs(objectRectangle.Right - p.X) < 3 &&
p.Y > objectRectangle.Top && p.Y < objectRectangle.Bottom)
{
if (bupdate)
{
modflag = 1;
}
return(SizeChangeDirection.RIGHT);
}
else if (Math.Abs(chipRectangle.Right - p.X) < 3 &&
p.Y > chipRectangle.Top && p.Y < chipRectangle.Bottom)
{
if (bupdate)
{
modflag = 2;
}
return(SizeChangeDirection.RIGHT);
}
else if (Math.Abs(objectRectangle.Bottom - p.Y) < 3 &&
p.X > objectRectangle.Left && p.X < objectRectangle.Right)
{
if (bupdate)
{
modflag = 1;
}
return(SizeChangeDirection.BOTTOM);
}
else if (Math.Abs(chipRectangle.Bottom - p.Y) < 3 &&
p.X > chipRectangle.Left && p.X < chipRectangle.Right)
{
if (bupdate)
{
modflag = 2;
}
return(SizeChangeDirection.BOTTOM);
}
else if (objectRectangle.Contains(p))
{
if (bupdate)
{
modflag = 1;
}
return(SizeChangeDirection.MOVE);
}
else if (chipRectangle.Contains(p))
{
if (bupdate)
{
modflag = 2;
}
return(SizeChangeDirection.MOVE);
}
return(x);
}