public bool CloseTab(Tab tab)
{
if (!AllowNoTabs && Tabs.Count == 1)
{
return(false);
}
if (animation == null || !animation.Enabled)
{
animation = new Animation();
}
else
{
return(false);
}
int i = Tabs.IndexOf(tab);
if (i == -1)
{
return(false);
}
if (Tabs.Count == 0)
{
CurrentTab = null;
}
else if (CurrentTab == tab)
{
CurrentTab = Tabs[i == 0 ? i + 1 : i - 1];
}
// Animation
Tabs[i].SendToBack();
CurrentTab.BringToFront();
int width = pnlTabs.Width;
animation.Tick += (_, value) => {
Tabs[i].Top = (int)(value * Tabs[i].Height);
if (i + 1 < Tabs.Count)
{
Tabs[i + 1].Left = Tabs[i].Right - (int)(value * Tabs[i].Width);
}
for (int j = i + 2; j < Tabs.Count; j++)
{
Tabs[j].Left = Tabs[j - 1].Right;
}
pnlTabs.Width = width - (int)(value * Tabs[i].Width);
addButton.Left = pnlTabs.Right;
};
animation.Complete += (_, evt) => {
Tabs.RemoveAt(i);
if (TabClosed != null)
{
TabClosed(this, tab);
}
};
animation.Start();
return(true);
}