In Visual Basic 6.0 Tutorial explained that the property on the ListBox control will determine whether the sign is displayed or not the checkbox next to each item. If the city checkbox is displayed then the ListBox displays the form of multiple choices by checking the checkboxnya. But if not shown, then only one data that can be selected. ListBox in VB6 has its own characteristics, ie when the event raised ItemCheck, propertynya has actually changed. In this control , provides an array of data as a place of shelter data. References it is the index. Array is an array list that starts from zero on the item STRING and what the user saw. ItemData array is an array of LONG INTEGER items where you can place an optional numeric data item associated with the item strings accordingly. If ItemData used, each element is always in touch with the appropriate element from the array list, which means it is not an independent array. You can not control the property Listbox i...