本帖最后由 WENZISUN 于 2013-12-23 12:59 编辑
if(txtbName.Visibility==System.Windows.Visibility.Collapsed)
{
txtbName.Visibility = System.Windows.Visibility.Visible;
}
if(txtbName.Visibility==System.Windows.Visibility.Visible)
{
txtbName.Visibility = System.Windows.Visibility.Collapsed;
}
不断点击按钮时可见不可见,为什么这样实现不了,非得在第二个if前加入一个else |