wpf mvvm example

This article is mainly for you in detail the MVVM mode WPF dynamic binding display image of the relevant data, with a certain reference value, interested in small partners can refer to In the MVVM mode WPF dynamic display picture, interface selection icon, copied to the project under the fixed directory, save to the d

In MVVM mode, display images are dynamically bound to WPF. In MVVM mode, WPF dynamically displays images. Select an icon on the interface, copy it to a fixed directory in the project, and save it to a relative path of the database, when reading the file again, the image display of the absolute path in the project is ob

Keywords: WPF. Net C # mvvm light Toolkit framework Visual Studio 2010 vs2010 expression blend 4 getting started tutorial New Practice V. Command 1. In loginviewmodel. CS, add the relaycommand attribute logincommand as the command object in response to the view-layer logon operation. 2. initialize the logincommand object in the loginviewmodel constructor. When creating a logincommand object, two parameter

Wpf mvvm uses the Prism framework to transmit parameters, wpfmvvm Recently I learned how to use the MVVM of WPF. In practice, I found that ComandParameter does not know how to pass it to ViewModel. I found some solutions on the Internet. Most of them use IComand to solve the problem as follows: // The purpose is to pas

Wpf mvvm [continued]: some users cannot obtain the list. wpfmvvm A friend who has read my article about wpf mvvm should know that I mentioned that I cannot obtain the list because I have a small account, and I still cannot find the reason. Two days ago, I went through the guidance of the great god on GitHub and learned

Because of the work, there will always be a switch between WPF and WebForm, but there has been no use of ASP. NET MVC in the actual project, it is a compulsory course to maintain and compatible with the old system.However, the recent search for work found outside the world has been the sky of MVC, said not used to be embarrassed to greet people, can only learn to understand, at least get started to use no problem to go to the interview.After the 7-day

In MVVM mode, display images are dynamically bound to WPF. In MVVM mode, WPF dynamically displays images. Select an icon on the interface, copy it to a fixed directory in the project, and save it to a relative path of the database, when reading the file again, the image display of the absolute path in the project is ob

MVVM for WPF (step 4) -- use Prism (2), wpfmvvm The previous article briefly introduced how to use icationicationobject and DelegateCommand in Prism. This article only describes how to use DelegateCommand The ICommand interface initially provided a method with parameters, which we often encounter when using is useless. Prism also helps us. Of course, Prism does not forget that we sometimes need parameter

" command="{Binding Buttoncommand}" commandparameter="/> " Buttoncontent= "button" height= "all" "left" margin=" 34,85,0,0 "name=" Button2 " "Top" width = "109" NBSP;NBSP; command="{Binding ButtonCommand2}" commandparameter="{Binding relativesource={x:static Relativesource.self}}"/> Grid> Window> Look at ViewModel again.[CSharp]View Plaincopy Namespace WpfApplication1 { public class Window1viewmodel { Public ICommand Buttoncommand { get { re

[Switch] WPF: automatically sets the Owner's ShowDialog for MVVM and showdialogmvvm. Original address: http://www.mgenware.com/blog? P = 339 The ShowDialog method of Windows in WPF does not provide parameters for setting the Owner. developers need to set the Owner attribute of the Window before ShowDialog. Because of this, you may forget to set the Owner many tim

; public string FirstName { get { return this._firstName; } set { this._firstName = value; this.PropertyChanged.Notify(()=>this.FirstName); } }} Here you can also add a very practical extension: public static void SubscribeToChange With the above code, you can subscribe to changes, such: myObject.SubscripeToChange(()=>myObject.SomeProperty,SomeProperty_Changed); And then your handler would look like this:private void SomeProperty_Changed(MyObj

and Contextmenu.isopen can be a concern, and these two bindings are used to control the ContextMenu open)1"{Binding Customfold}">23"{Binding Data,source={staticresource bindingproxy}}" 4Itemssource="{Binding Itemmodelcollection}"5isopen="{Binding Opencustomfold,mode=oneway}">67 A - - the -Reference:http://www.thomaslevesque.com/2011/03/21/wpf-how-to-bind-to-data-when-the-datacontext-is-not-inherited/Http://stackoverflow.com/questions/1580753/

(Window) Hwndsource.fromhwnd (HWND). RootVisual; } //GetForegroundWindow API[DllImport ("user32.dll")] Static externIntPtr GetForegroundWindow (); //call GetForegroundWindow and call Getwindowfromhwnd StaticWindow Gettopwindow () {varhwnd =GetForegroundWindow (); if(hwnd = =NULL) return NULL; returnGetwindowfromhwnd (HWND); } //Displays the dialog box and automatically sets the owner Public Static voidShowDialog (Window win) {win. Owner=Gettopwindow (); Win. ShowInT

Write controls on the VM interface under the wpf mvvm framework, wpfmvvm Normally, MVVM writes a style on the View page and logic on the ViewModel page, but sometimes writing a style on the View page does not meet the requirement. I recently encountered this project, so I can only write style controls on the VM page, and then bind them to the View page. First loo

WPF learning 12: Drawing and editing tools based on MVVM Light (3), wpfmvvm This article is about how to create a graphic editing tool based on MVVM Light (2 ). This time the goal is to complete Two tasks. Effect after completion of this section: This article consists of three parts: 1. Redesign where the previous code is unreasonable. 2. You can select t

WPF PasswordBox MVVM implementation, wpfpasswordbox Because the PasswordBox. Password attribute is not dependent, it cannot be used as the binding target. The following is my MVVM implementation method. PasswordBox. Password is synchronized with TextBox. Text. TextBox is used only for demonstration. The Source bound to TextBox. Text is used. Use Behavior to add

=NewThickness ( -,0, -,0); TextBlock. FontSize= -; TextBlock. HorizontalAlignment=Horizontalalignment.left;textblock. VerticalAlignment=Verticalalignment.top; Brushconverter Brushconverter=NewBrushconverter (); Brush Blackbrush= (Brush) brushconverter.convertfromstring ("#2c2c2c"); Brush Redbrush= (Brush) brushconverter.convertfromstring ("#a80301"); TextBlock. Foreground=Blackbrush;textblock. Inlines.add (NewRun () {Text =" ", Foreground =brushes.red}); TextBlock. Inlines.add ("you have t

Keywords: WPF. Net C # mvvm light Toolkit framework Visual Studio 2010 vs2010 expression blend 4 getting started tutorial New Practice VII. Messenger A user-friendly logon interface should be able to record the user ID of the last logon to avoid meaningless Repeated input. To achieve this function, I will continue to process the previous login page. 1. In loginviewmodel. in CS, add a relaycommand prop

) { returnTypedchild; } queue. Enqueue (child); } } return NULL; } }Mainviewmodel: Public classmainviewmodel:inotifypropertychanged { PublicMainviewmodel () {_busy=false; Addmoreitems (); Fetchmoredatacommand=NewDelegatecommand (() ={ThreadPool.QueueUserWorkItem (Delegate{Busy=true; Thread.Sleep ( the); App.Current.Dispatcher.BeginInvoke (NewAction (() ={addmoreitems (); Busy=false; })

bool? isChecked = false; public bool? IsChecked {get {return IsChecked;} set {if (value! = isChecked) {isChecked = value; raisePropertyChanged ("IsChecked"); } if (this. Children.Count > 0this. Children[0].ischecked!=value) {foreach (var item in). Children) { Item. IsChecked = value; }} if (This.parent!=nullthis. Parent.children.count==this. Parent.Children.Count (Item=>item.ischecked==value)) {this.