The ListBoxSplit(x) calling sequence converts a list box value to a list of strings.

$\mathrm{with}\left({\mathrm{Maplets}}_{\mathrm{Elements}}\right)\:$

$\mathrm{maplet}≔\mathrm{Maplet}\left(\left[\left[''Pick\; your\; favorite\; Canadian\; capital(s):''\,{\mathrm{ListBox}}_{\'\mathrm{LB1}\'}\left(\mathrm{sort}\left(\left[''Ottawa,\; ON''\,''Victoria,\; BC''\,''Edmonton,\; AB''\,''Regina,\; SK''\,''Winnipeg,\; MB''\,''Toronto,\; ON''\,''Quebec\; City,\; QC''\,''Fredericton,\; NB''\,''Halifax,\; NS''\,''Charlottetown,\; PE''\,''St.\; John\text{'}s,\; NL''\,''Whitehorse,\; YT''\,''Yellowknife,\; NT''\,''Iqaluit,\; NU''\right]\,\mathrm{lexorder}\right)\right)\right]\,\left[\mathrm{Button}\left(''OK''\,\mathrm{Shutdown}\left(\left[\'\mathrm{LB1}\'\right]\right)\right)\,\mathrm{Button}\left(''Cancel''\,\mathrm{Shutdown}\left(\right)\right)\right]\right]\right)\:$

$\mathrm{result}≔{\mathrm{Maplets}}_{\mathrm{Display}}\left(\mathrm{maplet}\right)\:$

$\mathbf{if}\mathrm{type}\left(\mathrm{result}\,\left[\'\mathrm{string}\'\right]\right)\mathbf{then}{{\mathrm{Maplets}}_{\mathrm{Tools}}}_{\mathrm{ListBoxSplit}}\left({\mathrm{result}}_1\right)\mathbf{end\; if}$

${{\mathrm{Maplets}}_{\mathrm{Tools}}}_{\mathrm{ListBoxSplit}}\left(''Victoria,\; BC,Halifax,\; NS''\right)$

$\left[''Victoria,\; BC''\,''Halifax,\; NS''\right]$