TreeItem:clear() method
Remove all the TreeItem subitems.
Return value
This function returns no value.Example
local ui = require "ui"
local win = ui.Window("TreeItem:clear() sample", 320, 220)
local tree = ui.Tree(win, {Item1 = {"SubItemC", "SubItemA", "SubItemB"}, "Item2", "Item3"}, 60, 40, 200, 160)
local button = ui.Button(win, "Clear subitems", 120, 10)
tree.items.Item1:expand()
function button:onClick()
tree.selected:clear()
end
win:show()
while win.visible do
ui.update()
button.enabled = tree.selected ~= nil and tree.selected.count > 0
end