Something like...
Label>Dialog1Repeat
GetCursorHandle>cHandle
If>cHandle=DIALOG1.DITEM1.HANDLE
Let>dialogHelp=Ya... I don't know what this is for either...

EndIf
If>cHandle=DIALOG1.DITEM2.HANDLE
Let>dialogHelp=The developers were drunk when they made the help feature... *shrug*
EndIf
Goto>Dialog1Repeat