The ToolStripMenuItem visible value always false

http://social.msdn.microsoft.com/Forums/vstudio/en-US/8cf60e57-6d97-43c6-bb3a-394b9bf130af/the-toolstripmenuitem-visible-value-always-false?forum=csharpgeneral

use

ToolStripMenuItem.Available

property instead of

ToolStripMenuItem.Visible