WebApr 9, 2010 · public class DateExpiredRule : ValidationRule { public override ValidationResult Validate (object value, CultureInfo cultureInfo) { DateTime orderDate = (DateTime)value; return new ValidationResult (orderDate < DateTime.Now, "Please, enter date before Now ()"); } } then you can attach it to datepicker WebMay 11, 2016 · 2 Answers Sorted by: 3 you can bind to properties of the parent control (in this case the DatePicker) by using a binding set to RelativeSource. This is a fantastic cheat sheet on the different binding types and modes: http://www.cheat-sheets.org/saved-copy/WpfBinding.pdf
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WebC# Windows窗体->;WPF图像控制转换问题,c#,wpf,winforms,picturebox,C#,Wpf,Winforms,Picturebox,我一直使用Windows窗体,但现在我正试图学习WPF,因为它的优点。 不久前,我创建了一个picturebox控件(借助)。 对我来说,很难将这个控件转换成WPF的图像控件。 我在网上找不到任何合适的帮助 我 … WebAug 14, 2015 · The Calendar and DatePicker classes (along with some supporting enumerations and delegates) have a namespace of Microsoft.Windows.Controls. Some subsidiary classes, mostly notably CalendarItem, CalendarButton, CalendarDayButton, and DatePickerTextBox, are in the Microsoft.Windows.Controls.Primitives namespace. greene king the wolds nottingham
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WebJun 26, 2014 · WPF DatePicker always show 'Show Calendar' by default. I want it to show current/todays date. How do I do that. I tried doing something like the below in the … WebC# WPF DatePicker在更改月份时引发异常,c#,wpf,datepicker,C#,Wpf,Datepicker,好的,我有一个在WPF Visual C 2010 Express中工作的项目,我有一些绑定到DateTime属性的日期选择器。现在,如果我打开选择器,立即开始更换月份,就没有问题了。 http://duoduokou.com/csharp/50756696316095783926.html flug ew 7642