as there baidu image has protect refer from other site to use. need download i use request header add referer:http://www.baidu.com <Window x:Class="WpfApplication1.WindMsg" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/pre…
原文:[WPF] How to bind to data when the datacontext is not inherited 原文地址:http://www.thomaslevesque.com/2011/03/21/wpf-how-to-bind-to-data-when-the-datacontext-is-not-inherited/ WPF的DataContext传递性,的确非常好用.但是在某些特定的环境下,元素并不能从视觉树(VisualTree)向上获取传递,比如未指定数据源…
“System.Runtime.InteropServices.COMException”类型的未经处理的异常在 Arcgis_Test.exe 中发生 其他信息: ArcGIS product not specified. You must first bind to an ArcGIS version prior to using any ArcGIS components. 解决办法:添加 ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.Produc…
Introduction This is an article on WPF Binding Cheat Sheet. Some of the Binding won't work for Silverlight 3. Basic Binding {Binding} Bind to current DataContext. {Binding Name} Bind to the "Name" proeprty of the current DataContext. {Bindind Na…
So far, we worked with styles by setting a static value for a specific property. However, using triggers, you can change the value of a given property, once a certain condition changes. Triggers come in multiple flavors: Property triggers, event trig…
项目经常前台界面涉及到用户输入时,我们常常会用到数据有效性的验证.在网页中我们之前用js来校验Form中的数据有效性.在WPF中我们如何实现这种验证机制了?答案:INotifyDataErrorInfo INotifyDataErrorInfo简介 如图示该接口有三件宝贝: HasErrors: a read-only boolean property which tells if the object as a whole have any validation errors; GetEr…
DNS的简单配置和DNS的主从配置 摘要:DNS(Domain-Name Server) ,DNS的服务起到的作用就是名称解析,在网络通讯来说计算机与计算机是通过IP地址相互通信的, 当是IP地址难记,在早期来说每一个主机默认保存hosts的文件,从一个FQDN-->IP地址的转换,后来随着网络的发展一个hosts文件完全不能满足--------就出现了DNS域名服务. DNS的实现:目前来说主流的软件是BIND (Berkeley internet name domain),早期来说是由B…
What is WPF? WPF (Windows Presentation foundation) is a graphical subsystem for displaying user interfaces, documents, images, movies etc in windows application. What is the need of WPF when we had windows forms? Hide Copy Code Remember: - ABCDEFG…
