WPF novice practice 4: mvvm light Toolkit (IV. Model, viewmodel, and view)

Keywords: WPF. Net C # mvvm light Toolkit framework Visual Studio 2010 vs2010 expression blend 4 getting started tutorial New Practice

4. Model, viewmodel, and view

1. Create a simple model: user, which only contains a string-type attribute userid.

2. In loginviewmodel. CS, add a user-type private member Variable _ currentuser and initialize it in the constructor.

3. to bind to the view layer, I need to wrap the attributes of the model in the viewmodel. Enter "mvvminpc" in loginviewmodel. CS and press the tab key to obtainCodeSegment template. Change the default name to userid.

Delete the private member Variable _ userid and change all access to it to access _ currentuser. userid.

4. In blend 4, bind the text in the "user ID" input box to the userid of loginviewmodel.

Compiled.