The ShortcutKeysInfo property returns the list of shortcut keys that are currently available. You can use the ShortcutKeysInfo property to get the list of shortcut keys that currently the user can press at this moment. The Shortcut property specifies the key combination that the user can press to select the item quickly. The ShortcutKeyVisible property indicates the way the control shows the available keys when user presses any modifier keys such as SHIFT, CTRL or ALT. 

The ShortcutKeysInfo property may return information as follows:

ALT+1 Item 1[id=20]
ALT+2 Item 2[id=30]
ALT+3 Item 3[id=40]
ALT+3+1 Sub-Item 3.1[id=50]
ALT+3+2 Sub-Item 3.2[id=60]
ALT+3+3+3+3 Sub-Item 3.2[id=70]