TreeItem.remove() | LuaRT free and open source Windows programming framework for Lua

TreeItem:remove() method

Removes the TreeItem from the Tree it belongs to.

TreeItems are ephemeral objects that are instantiated by their owner objects, with the Tree.items property. It is not recommended to use a TreeItem that have been previously removed.

Return value

This method returns no value.

Example


local ui = require "ui"

-- create a simple Window
local win = ui.Window("TreeItem:remove() sample", 316, 246)
local tree = ui.Tree(win, {"autoexec.bat", "config.sys"}, 10, 10)

function win.CtrlW()
    if tree.count > 0 then
        tree.selected:remove()
    end
end

win:shortcut("w", win.CtrlW, true)
win:status("Press CTRL+W to remove a TreeItem")

-- shows the Window
win:show()

-- update user interface
repeat
    ui.update()
until not win.visible