public void onPicturboxMove(Point p, object sender)
{
basePic basepic = sender as basePic;
List <PictureBox> inputboxes = basepic.getInputBox();
List <PictureBox> outputboxes = basepic.getOutputBox();
foreach (Line l in lines)
{
foreach (PictureBox start in outputboxes)
{
if (l.startBox == start)
{
l.StartPoint.X += p.X;
l.StartPoint.Y += p.Y;
l.StartPoint.X = l.StartPoint.X > 0 ? l.StartPoint.X : 0;
l.StartPoint.Y = l.StartPoint.Y > 0 ? l.StartPoint.Y : 0;
break;
}
}
foreach (PictureBox end in inputboxes)
{
if (l.EndBox == end)
{
l.EndPoint.X += p.X;
l.EndPoint.Y += p.Y;
l.EndPoint.X = l.EndPoint.X > 0 ? l.EndPoint.X : 0;
l.EndPoint.Y = l.EndPoint.Y > 0 ? l.EndPoint.Y : 0;
break;
}
}
}
this.Invalidate();
}
public void endDrawing(Point p, object sender, PictureBox box)
{
basePic baseBox = sender as basePic;
if (drawingLine == null)
{
return;
}
if (baseBox == drawingLine.startBasePic)
{
return;
}
foreach (Line l in lines)
{
if (box == l.EndBox)
{
lines.Remove(l);
this.Invalidate();
break;
}
}
drawingLine.EndPoint = p;
drawingLine.EndBox = box;
drawingLine.endBasePic = baseBox;
drawingLine = null;
}
public void initDrawPen(Point p, object sender, PictureBox box)
{
basePic baseBox = sender as basePic;
if (null != drawingLine)
{
return;
}
foreach (Line l in lines)
{
if (box == l.startBox)
{
lines.Remove(l);
this.Invalidate();
break;
}
}
drawingLine = new Line(p);
drawingLine.startBasePic = baseBox;
drawingLine.startBox = box;
lines.Add(drawingLine);
bDrawLine = true;
}
