33559 www.tutorials point.com/wpf/wpf _ popup.htm
一看名字就知道，是弹出控件。 顾名思义，就像Combobox一样，可以实现单击以显示以下选择列表的操作。
MainWindow.cs
使用系统； using system.collections.generic； using System.Linq； using System.Text； using System.Threading.Tasks； using System.Windows； using System.Windows.Controls； using System.Windows.Data； using System.Windows.Documents； using System.Windows.Input； using System.Windows.Media； using system.windows.media.imaging； using System.Windows.Navigation； using System.Windows.Shapes； namespacewpfapp1{//summary//main window.xaml的交互式逻辑////summarypublicpartialclassmainwindow : window { publicalicaty pop.isopen(pop.isopen=true； } privatevoidpop _ opened (object sender，EventArgs e ) { } }} xaml
名为PlacementTarget的属性指明此popup属于谁很重要
windowx : class=' wpf app1. main window ' xmlns=' http://schemas.Microsoft.com/winfx/2006/xaml/presentation ' xmas xaml ' xmlns 3360 d=' http://schemas.Microsoft.com/expression/blend/2008 ' xmlns 3360 MC=' http://schemas.opend 2006 ' xmlns 3360 local=' clr-namespace : wpf app1' MC 3: ignorable=' d ' tignorable ourcesbordermargin=' 10 ' background=' white ' corner radius=' 10 ' grid！ -内容区域--button width=' 50 ' height=' 30 ' content=' ok ' name=' pop button ' click=' pop button _ click ' /！ - popupx : name=' pop ' popup animation=' slide ' width=' 180 ' height=' 250 ' placement target=' { binding element } ' placement=' bottom ' allows transparency=' true ' stays open=' false ' gridrectanglefill=' white ' margin='5' OPAC ff bbbbbbb ' direction='0' blur radius=' 15 ' rendering bias=' quality ' shadow depth=rectanglestackpanelmargin=' 15 ' stack panel/grid/popup-- popup name=' pop ' is open=' false ' allows transparency=' true ' focusable=' false ' places ' placed ' placement=' bottom ' popup animation=' fade ' stays open=' false ' opened=' pop _ opened ' margin=' 0，0.4， - 0.4 ' grid name=' drop down ' margin=' 10 ' snapstodevicepixels=' true ' minwidth=' 200 ' max height=' 300 ' grid.rid rowdefinitionheight=' 30 '/rowdefinitionheight=' 30 '/rowdefinitionheight=' 37 '//grid.rowdefinitionsbordergrid.rowspan='5' x : name=' drop down border ' back ground=' white ' border brush=' # d7eer-border.effectxrpdyb='-4 ' blur radius=' 10 ' color=' light gray '/border.effect--/这是bordertextblockgrid.0 ' horizontal alignment=' center ' text='发送时间阈值设置' FontFamily='黑体' fontsize=' 14 '/textbloce textblocktextblockgrid.row='3' margin=' 41，2，0，0 ' horizontal alignment=' left ' text=' foreground=' red ' 0， 12' Content='生效' horizontal alignment=' left ' vertical alignment=' bottom '/button name=' BTN clear ' grid.row=' btton name=' BTN clear ' grid.row 12 ' content='取消' horizontal alignment=' lt