The key names displayed in ToolTips are interpreted relative to F1 key. Windows represents the F1 key as 112 decimal (70 hex) and uses the constant VK_F1.
The following table lists the various types of keys, their equivalent constant and numeric values.
Key(s) |
Constant |
Numeric Representation |
F1 |
VK_F1 |
112 decimal (70 hex) |
F1 to F12 |
VK_F1 through VK_F12 |
112 through 123 decimal |
Shift-F1 through Shift-F12 |
VK_F13 through VK_F24 |
124 through 135 decimal (The "Shift-" corresponds to adding 12 to the non-shifted function key value.) |
Ctrl-25 and up (SAP’s "F0" key, also VK_DIVIDE) |
Most of these keys do not have VK constants assigned |
Decimal values 136 and up (Add the number of the "Ctrl-" key to 111 decimal to get the appropriate value. For example, Ctrl-30 is 141 decimal (111 + 30).) |