ToggleImageEstimatingHotKey
Integer value returns an ANSI key code (default code 123, the character F12) for the Toggle Image Estimating hotkey (which selects the Estimating tab). Figure 1 shows the Main Menu / Settings / Keyboard Hotkeys window, which allows for the hotkey to be selected. Figure 2 shows the Estimating tab.
API Call:
Figure 1
Figure 2