private ConnectivityObject crossbypoint(System.Windows.Point _p)
{
ConnectivityObject co = null;
try
{
foreach (ConnectivityObject _co in symbols)
{
if (Math.Abs(_co.X - _p.X) <= 15 &&
Math.Abs(_co.Y - _p.Y) <= 15)
{
co = _co;
return(co);
}
}
foreach (ConnectivityObject _no in nodes)
{
if (Math.Abs(_no.X - _p.X) <= 10 &&
Math.Abs(_no.Y - _p.Y) <= 10)
{
co = _no;
return(co);
}
}
}
catch (Exception) { }
return(co);
}
private void ConnectivityForm_MouseMove(object sender, MouseEventArgs e)
{
try
{
var symbolObject = oldco as SymbolObject;
if (symbolObject != null)
{
symbolObject.pointTemp = new System.Windows.Point(-1234, -4321);
}
var co = crossbypoint(new System.Windows.Point(e.X, e.Y));
if (co != null && co is SymbolObject)
{
label1.Visible = true;
label1.Location = new Point(e.X + 3, e.Y + 3);
label1.Text = (co as SymbolObject).sName;
}
else
{
label1.Visible = false;
}
if (oldco != null && oldco is SymbolObject)
{
if (isRmousedown)
{
oldco.X += e.X - oldpoint.X;
oldco.Y += e.Y - oldpoint.Y;
}
else if (isLmousedown)
{
if ((oldco as SymbolObject) == sym1)
{
(oldco as SymbolObject).pointTemp = new System.Windows.Point(e.X, e.Y);
ConnectivityObject no = crossbypoint(new System.Windows.Point(e.X, e.Y));
if (no != null && no is NodeObject)
{
if ((oldco as SymbolObject).nodeIndex == 1)
{
(oldco as SymbolObject).node1 = (NodeObject)no;
}
else if ((oldco as SymbolObject).nodeIndex == 2)
{
(oldco as SymbolObject).node2 = (NodeObject)no;
}
}
}
}
}
//else if (co != null && co is NodeObject)
//{
// if (isLmousedown)
// {
// (co as SymbolObject).pointTemp = new System.Windows.Point(e.X, e.Y);
// }
//}
//draw();
}
catch (Exception) { }
finally {
oldpoint = new System.Windows.Point(e.X, e.Y);
}
}
