依赖属性DependencyProperty是wpf最重要的一个类,理解该类如何实现对学习wpf帮助很大! 终于找到了该类的源码!仔细阅读源码,看看微软如何玩的花招! File: Base\System\Windows\DependencyProperty.cs Project: wpf\src\WindowsBase.csproj (WindowsBase) using System; using System.Collections; using System.Collections.Gen…
TortoiseSVN A Subversion client for Windows Stefan Küng Lübbe Onken Simon Large 2005/01/17 19:09:21 二〇〇五年四月 Daan译 Table of Contents Chapter 4. 日常操作指南... 4 4.1. 使用 TortoiseSVN.. 4 4.2. 认证... 5 4.3. 导入数据到仓库Importing Data Into A Repository. 5 4.3.1. 仓库…
出现的问题: Error:Execution failed for task ':app:preDebugAndroidTestBuild'.> Conflict with dependency 'com.android.support:support-annotations' in project ':app'. Resolved versions for app (26.1.0) and test app (27.1.1) differ. See https://d.android.com/…
Conflict with dependency 'com.android.support:support-annotations' in project ':xxx'. Resolved versions for app (25.4.0) and test app (27.1.1) differ 问题解决 问题描述 Warning:Conflict with dependency 'com.android.support:support-annotations' in project ':xx…
How can I disable jquery validation on readonly fields? http://stackoverflow.com/questions/10803294/how-can-i-disable-jquery-validation-on-readonly-fields How can I enable jquery validation on readonly fields? http://stackoverflow.com/questions/26838…
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…