public bool ChartDrawEvent(ChartAxisDrawEventArgs e)
{
//No lock position set
if (!_LockIndexSet)
{
return(false);
}
//Positions can only be recieved from orthagonal axis
if (Orientation == e.Orientation)
{
return(false);
}
//Lcok mode is not enabled
if (_LockAxisLabel == null)
{
return(false);
}
//Registered axis lable must match
if (_LockAxisLabel.Text != e.AxisLabel.Text)
{
return(false);
}
//Move axis positoin to lock position
if (LockIndex > e.MaxIndex + 1)
{
if (LockIndex == (int)AxisLock.eMiddle)
{
LockIndex = e.MaxIndex / 2;
}
else
{
LockIndex = e.MaxIndex + 1;
}
}
//Lock index doesn't match
if (e.Index == LockIndex)
{
if (_AxisLocation != e.Position)
{
_AxisLocation = e.Position;
}
}
return(true);
}
//Draws horozontal and vertical tick labels centred about the axis position
void SendEvent(ref SKCanvas Can, SKColor Col, float Pos, int index, ChartAxisEventArgs.ChartAxisEventType EventType)
{
var args = new ChartAxisEventArgs(_Label, Can, Col, Pos, MinorTickDistance, Orientation, EventType);
foreach (var registrant in AxisDataEvents)
{
if (registrant(args))
{
break;
}
}
if (EventType == ChartAxisEventArgs.ChartAxisEventType.DrawMajorTick)
{
var arg = new ChartAxisDrawEventArgs(_Label, Orientation, Pos, index, (int)MainTicks - 1);
for (int i = 0; i < AxisDrawEvents.Count; i++)
{
if (!AxisDrawEvents[i](arg))
{
AxisDrawEvents.RemoveAt(i);
}
}
}
}