Xbasic
UI_EXPAND_BRANCHES Function
Syntax
Formatted_Menu as C = UI_EXPAND_BRANCHES(C branches)
Arguments
- Formatted_Menu
A character string suitable for display by UI_TOP_MEN().
- branches
A menu definition as produced by the Menu Maker.
Description
Expand branches - lines containing {=<expr>} get expanded to include lines generated.
Discussion
The UI_EXPAND_BRANCHES() function is used to expand certain menu 'macros' (such as recent file list, or window list) at runtime.
Example
The following pieces of code are from the MDI Xdialog Framework Xdialog lesson.
dim menu_string as C event_string = <<%code% if left(a_command,3) = "A5." then a5.command(substr(a_command,4) ) a_command = "" else if left(a_command,1) = "!" then evaluate_template(substr(a_command,2) ) a_command = "" else if left(a_command,6) = "addin:" then evaluate_template(substr(a_command,7) ) else if left(a_command,8) = "command:" then ui_dlg_event(dlg_title,substr(a_command,9) ) else if .not. ("|" $ a_command) then this.command(a_command) a_command = "" end if %code% menu_string = a5_menu_def_load("MDI_test") if a_dlg_button = "activate" then 'show the menu ui_top_menu(ui_expand_branches(menu_string), event_string) end if
Limitations
Desktop applications only.
See Also