private void nextChild_Click(object sender, EventArgs e)
{
if (MdiChildren.Length == 0)
{
return;
}
if (ActiveMdiChild == MdiChildren.Last())
{
MdiChildren.First().Activate();
}
else
{
int i = 0;
while (MdiChildren[i] != ActiveMdiChild)
{
i++;
}
MdiChildren[i + 1].Activate();
}
}
