listView.itemCheck与listView.itemChecked在.NET中的比较

这个 ItemCheck 当项的选中状态为 即将改变 ,允许您检查旧值和新值,并根据需要取消更改(通过分配eventargs参数的newValue属性)。 ItemChecked 被触发 完成选中(或取消选中)后 .

代码示例:

private void ListView_ItemCheck(object sender, ItemCheckEventArgs e)
{
    // the checked state of an item is about to change
    if (e.NewValue == CheckState.Checked)
    {
        // perform some check if this is allowed, and if not...
        e.NewValue = e.CurrentValue;
    }
}

private void ListView_ItemChecked(object sender, ItemCheckedEventArgs e)
{
    // the checked state of an item has changed
}