public virtual void Clear()
{
if (IsReadOnly)
{
throw new NotSupportedException(SR.ToolStripItemCollectionIsReadOnly);
}
if (Count == 0)
{
return;
}
ToolStripOverflow overflow = null;
if (_owner != null && !_owner.IsDisposingItems)
{
_owner.SuspendLayout();
overflow = _owner.GetOverflow();
if (overflow != null)
{
overflow.SuspendLayout();
}
}
try
{
while (Count != 0)
{
RemoveAt(Count - 1);
}
}
finally
{
if (overflow != null)
{
overflow.ResumeLayout(false);
}
if (_owner != null && !_owner.IsDisposingItems)
{
_owner.ResumeLayout();
}
}
}
