[Iska]

Ну, например:

ButtonOpen

Код:

local result = Dialog.FileBrowse(true, 'Locate File', _SourceFolder, 'Text File (*.txt)|*.txt|All Files(*.*)|*.*', '', 'txt', false, true)

if (result[1] ~= 'CANCEL') then
	local sDestPath = result[1]
	local sValue    = TextFile.ReadToString(sDestPath)
	Input.SetText('Input1', sValue);
end

ButtonSave

Код:

local result = Dialog.FileBrowse(true, 'Locate File', _SourceFolder, 'Text File (*.txt)|*.txt|All Files(*.*)|*.*', '', 'txt', false, true)

if (result[1] ~= 'CANCEL') then
	local sDestPath = result[1]
	local sValue    = Input.GetText('Input1')
	
	if (String.Length(sValue) > 0) then
		TextFile.WriteFromString(sDestPath, sValue)
	end
end