Reference > Properties > System Properties

ForeUI has some predefined system properties for you to get some information from the environment. Here are all available system properties in ForeUI.

Name	Type	Description	Comment
Screen_Width	Integer	The width of the screen	"Screen" means the page here
Screen_Height	Integer	The height of the screen	"Screen" means the page here
Current_Page_Index	Integer	The index of the current page	Index starts with 1
Current_Page_Title	String	The title of current page
Available_Page_Indices	Array	Indices for available pages as array	All pages except those in the excluded folders
Available_Page_Titles	Array	Titles for available pages as array	All pages except those in the excluded folders
Current_Year	Integer	Current year	4 digits number. e.g. 2011
Current_Month	Integer	Current month	1-2 digits number.
Current_Day	Integer	Current day in the month	1-2 digits number
Current_Hour	Integer	Current hours in the day	1-2 digits number
Current_Minute	Integer	Current minutes in the hour	1-2 digits number
Current_Second	Integer	Current seconds in the minute	1-2 digits number
Current_Key_Code	Integer	The key code of the current key event	Possible values are listed in Key Code Table
Ctrl_Key_State	Integer	1 if CTRL is pressed, otherwise 0
Alt_Key_State	Integer	1 if ALT is pressed, otherwise 0
Shift_Key_State	Integer	1 if SHIFT is pressed, otherwise 0
Focused_Element_Id	String	The Id of focused element
Current_Cursor_X	Integer	The current X position of cursor	Relative to the page, in pixels
Current_Cursor_Y	Integer	The current Y position of cursor	Relative to the page, in pixels

You can use the value of system property in any place that supports expression.

If the system property is in Array type, You will need to create a temporary property to store the value within the array, and use the temporary property in expression.

sysprop_array

Remarks: system properties are read-only, you could NOT change their values with action.