protected virtual GcMdiTabControl.MdiTabCommandIconList.MinimizeCommandIcon CreateMinimizeCommandIcon()
Protected Overridable Function CreateMinimizeCommandIcon() As GcMdiTabControl.MdiTabCommandIconList.MinimizeCommandIcon
戻り値の型
GcMdiTabControl.MdiTabCommandIconList.MinimizeCommandIconオブジェクトは［最小化］アイコンを示します。