/// <summary>Hide the hint balloon</summary>
private void HideHintInternal(int issue)
{
lock (m_lock)
{
// Only hide if the issue number is still valid
if (issue != m_issue || !Visible)
{
return;
}
// Test if the mouse is over the form, if so, wait another 2000
var pt = PointToClient(Cursor.Position);
var rect = ClientRectangle.Inflated(-TipLength, -TipLength);
if (rect.Contains(pt))
{
Opacity = 1f;
Dispatcher_.BeginInvokeDelayed(() => HideHintInternal(issue), TimeSpan.FromMilliseconds(2000));
return;
}
// Do fading
if (FadeDuration > 0)
{
Opacity -= Math.Min(0.1, Opacity);
if (Opacity == 0)
{
Visible = false;
}
else
{
Dispatcher_.BeginInvokeDelayed(() => HideHintInternal(issue), TimeSpan.FromMilliseconds(FadeDuration / 10));
}
return;
}
// Done, hidden
DetachFromOwner();
}
}
