/// <summary>
/// Gets item from point, and its part.
/// Returns false if not on an item.
/// </summary>
/// <param name="p">Point in control coordinates. Physical pixels.</param>
/// <param name="h">Results.</param>
public bool HitTest(POINT p, out TVHitTest h)
{
h = default;
if ((uint)p.x < _width && (uint)p.y < _height)
{
int i = _ItemFromY(p.y);
if (_IndexToItem(i, out var v))
{
h.index = i;
h.item = v;
_GetPartOffsets(i, out var k);
int x = p.x;
if (x < k.checkbox)
{
h.part = TVParts.Left;
}
else if (x < k.marginLeft)
{
h.part = TVParts.Checkbox;
}
else if (x < k.image)
{
h.part = TVParts.MarginLeft;
}
else if (x < k.text)
{
h.part = TVParts.Image;
}
else if (x < k.marginRight)
{
h.part = TVParts.Text;
}
else if (x < k.right)
{
h.part = TVParts.MarginRight;
}
else
{
h.part = TVParts.Right;
}
return(true);
}
}
h.index = -1;
return(false);
}
/// <summary> /// Gets item from mouse, and its part. /// Returns false if not on an item. /// </summary> /// <param name="h">Results.</param> public bool HitTest(out TVHitTest h) => HitTest(_w.MouseClientXY, out h);
