public void RemoveLineAt(int index)
{
if (_lines == null || index < 0 || index >= _lines.Length)
{
return;
}
_lines[index].Parent = null;
if (_lines.Length == 1)
{
_lines = null;
}
else
{
var tmp = new LineGraphItem[_lines.Length - 1];
int c = 0;
for (int i = 0; i < _lines.Length; i++)
{
if (i != index)
{
tmp[c++] = _lines[i];
}
}
_lines = tmp;
}
Invalidate();
}
public void AddLines(LineGraphItem[] lines)
{
if (lines == null)
{
return;
}
for (int i = 0; i < lines.Length; i++)
{
lines[i].Parent = this;
}
if (_lines == null)
{
_lines = lines;
}
else
{
var tmp = new LineGraphItem[_lines.Length + lines.Length];
Array.Copy(_lines, tmp, _lines.Length);
Array.Copy(lines, 0, tmp, _lines.Length, lines.Length);
_lines = tmp;
}
Invalidate();
}
public void RemoveLine(LineGraphItem line)
{
if (_lines == null)
{
return;
}
for (int i = 0; i < _lines.Length; i++)
{
if (_lines[i] == line)
{
RemoveLineAt(i);
return;
}
}
}
public void AddLine(LineGraphItem line)
{
line.Parent = this;
if (_lines == null)
{
_lines = new[] { line };
}
else
{
var tmp = new LineGraphItem[_lines.Length + 1];
Array.Copy(_lines, tmp, _lines.Length);
tmp[tmp.Length - 1] = line;
_lines = tmp;
}
Invalidate();
}