/// <summary>
/// Adds the icon and connection for a piece of equipment that has only one terminal at the location
/// </summary>
/// <param name="t"></param>
/// <param name="icns"></param>
/// <param name="r"></param>
int fillInSingle(Terminal t, Equipment eq, string[,] icns, int r, IdentifiedObject[,] refs){
var c = nodeColumns[t.ConnectionPoint];
icns[r, c] = "connectedbus";
icns[r, c + 1] = String.Format("{0}{1}", eq.Type, eq.State());
refs[r, c + 1] = eq;
return c + 2;
}
/// <summary>
/// Draws the Equipment and wires which span between terminals.
/// </summary>
/// <param name="t1"></param>
/// <param name="t2"></param>
/// <param name="pe"></param>
/// <param name="icns"></param>
/// <param name="r"></param>
/// <returns></returns>
int fillInConnection(Terminal t1, Terminal t2, Equipment pe, string[,] icns, int r, IdentifiedObject[,] refs){
int st = nodeColumns[t1.ConnectionPoint];
int en = nodeColumns[t2.ConnectionPoint];
icns[r, st] = "connectedbus";
icns[r, en] = "connectedbus";
icns[r, st + 1] = String.Format("{0}{1}", pe.Type, pe.State());
refs[r, st + 1] = pe;
for(int i = st + 2; i < en; i++){
icns[r, i] = (icns[r, i] == "bus") ? "noconnectionbus" : "wire";
}
return en;
}