/// <summary>
/// Handles MouseMove events
/// </summary>
/// <param name="e"></param>
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
_HitItem = GetHitItem(e.Location);
if (_HitItem != _LastHitItem)
{
_LastHitItem = _HitItem;
Invalidate();
}
}
/// <summary>
/// Handles MouseUp events
/// </summary>
/// <param name="e"></param>
protected override void OnMouseUp(MouseEventArgs e)
{
// Change the state colorIndex
// if the user clicked on an item.
if (_MouseDownItem != null && _MouseDownItem == _HitItem)
{
_MouseDownItem.ColorIndex =
(_MouseDownItem.ColorIndex + 1) % imageList1.Images.Count;
OnValueChanged();
}
_MouseDownItem = null;
base.OnMouseUp(e);
}
/// <summary>
/// Sets the states "string" value
/// </summary>
/// <param name="value"></param>
private void SetStates(string value)
{
if (value == null)
{
_States = null;
}
else
{
string[] states = value.Split(',');
_States = new MyState[states.Length];
int i = 0;
foreach (string s in states)
{
int n;
int.TryParse(s, out n);
_States[i++] = new MyState(n);
}
}
_NeedRecalc = true;
}
/// <summary>
/// Handles MouseDown events
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
_MouseDownItem = _HitItem;
}