class = "w_list"

col=num

no. of characters displayed in list

row=num

no. of rows in each column

non_exc

non-exclusive buttons (default is exclusive)

vert

label is above the options (default) OR...

horz

label is to the right of the options

dbl_clk

Allow left double-click, middle and right mouse button clicks on the list widget items. To distinguish which action caused the callback, we have overloaded the current parameters to the callback such that:

• left double-click: item<0

• right button click: field<0 

• middle button click: item=0

• left button click: field>0 and item>0

format

scrollbars displayed on demand

1-scrollbars are always displayed

(item 0 = label)

(item N = Nth item in scrolling list)

Use uiListMaskGet() to get a bit mask that indicates whether the SHIFT or CTRL key was held down during the last left-click on a scrolling list item.