I have a C# WPF application using XAML and MVVM. My question is: How can I show a balloon开发者_运维百科 tooltip above a text box for some invalid data entered by the user?
I have a problem. In my WP开发者_StackOverflowF application, if i press a tabItem with middle mouse button, this tabItem should close. Just like in FireFox.
I would appreciate it if somebody could tell me how to bind a listbox to the entity framework (EF code first).
I started working with the MVVM pattern in a new project. Everything is ok, but i came to the following problem.
I have a list that bound to a grid. My list items have properties like RunTimeState. The user can select each item in the grid and delete it. When an item开发者_JS百科 is deleted its RunTimeState is s
so , my users suddenly changed their minds and decided to go for a networked application , I have views and viewmodels on the same project (UI) , a BLL layer dll in a ClassLibrary project and my DAL
In开发者_如何学JAVA Silverlight, I have a DataTemplate which is bound to an object which contains a property which holds a UserControl.
I have a bunch of ViewModel classes, Q001ViewModel, Q002ViewModel, ..., QnnnViewModel.These all inherit from VMBase.
I have the following case on my WPF app : I have a main user control with its MainViewModel which binded to the control datacontext .
I have created a custom TextBox control (but not derived from TextBox) that contains a Dependency Property \"Text\".
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