WPF Data Binding Validation Rules
Hello everyone,I'm studying for Windows Application Development exam and there is one thing about data binding validation rules that's bugging me.I have a class Testor with a property that always...
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{usercontrol (wpf)} listbox datasource and data template
dear all i'm create this project with vb.net 2010, and i wish create some listbox data template with usercontrol (wpf).this picture hope just anyone can understand what i want:can anyone give me some...
View Articlehow to show load idication while sending email by using MailMessage and smtp
Hi Helpers, While sending message with number of images attached to it its taking too much time and i am unable to show loading indication, So can anybody help me out how to show loading image while...
View ArticleDateTimeUpDown custom format
Hi All.Is it possible to specify custom format for DateTimeUpdown control like hhh:mm? If yes, how it to do?Thanks.
View ArticleHow do I get my listview (datagrid) data from the screen after I have sorted...
I have a listview and a datagrid inside it that displays data on the screen. On the screen I can sort the data columns.I want to be able to click a button and copy the data from the table on screen to...
View ArticleConverting Canvas with Background to Image C#/WPF
I have a problem converting a canvas to a bitmap image in a C#/WPF app. Basically I have a canvas and the background of the canvas is a diagram of a piece of machinery. There are several coloured...
View ArticleGridViewColumn.CellTemplate does not work for me
What I am doing wrong?<ListView Grid.Row="3" Grid.ColumnSpan="2" ItemsSource="{Binding Data}"><ListView.View><GridView><GridViewColumn Header="Test Name"...
View ArticlePasswordBox binding in MVVM and attached property walkaround.
Hi All,I have a little project where I need to get a password from a user. I did search the forum for the solution and there seem to be just 2 answers.1. It is impossible to bind to Password property...
View ArticleHow to use WPF SplashScreen class under .NET Framework 4.5 / Windows 8?
Hi, I have a problem using the WPF SplashScreen class under Windows 8: When shutting down the application while the splash screen is about to be displayed, the program crashes sporadically with the...
View ArticleGraphic heavy UI using WPF
We have traditionally used Windows Forms to build very graphical UI applications. Borderless windows with non-square image backgrounds and then use images for all controls including sliders,...
View ArticleHow to set initial focus to a textbox with gotfocus method in mvvm arch with...
Hi,I have create a page/window with many images and a few textbox's and buttons. When the app starts up and the page loads, I want to set the initial focus to the first textbox(the default focus is on...
View ArticleXAML Trigger or Condition Within Another Trigger
This seems like a strange request, I know. Why not just use MultiDataTrigger? Here is the problem:My custom UserControl, based on a CheckBox has a style which makes it look like a wheel (actually...
View ArticleConvert String to XML and bind to WPF ListBox.
Hi EveryOneI need to convert a string to XML and bind it to ListBox. How can I do it?string msg =...
View ArticlePass DataContext Down Through Objects in XAML
Hello guys,I am trying to write a custom control and my problem is that the column does not not receive DataContext and therefore cannot do the binding.My custom control looks like this:class...
View ArticleWPF+ MVVM: How to Make the WPF Application More Responsive ?
I have been asked a question: There is big data need to be updated in UI and the big data updating will take a while and the same time users try to type in text in textbox. How to you ensure that user...
View ArticleUI
HelloI want this type of UI for my hotel booking application.Can anyone guide me what control(s) should i use?Please help.Deepak Chhirang
View ArticleHow to Alternate color in ItemsControl without touching the (default/global)...
Hi there,trying to grasp a fine difference:have a default DataTemplate<DataTemplate DataType="{x:Type local:MyType}"> <Grid> ...here some cool stuff :)......
View Article(MVVM) - How To Bind to DataContext from ContextMenu within DataTemplate
Hey Everyone,I have a ListBox that contains a bunch of business objects (Models).My heirarchy is like this:Window -> ItemsControl {Groups} --> Group ---> ListBox {People} ----> Person...
View ArticleMVVM WPF Datagrid SelectedValue bind by view model ?
Hi,anyone know how to change, the Datagrid SelectedValue By ViewModel.I can change it from the view and trigger onproperty chaged butcannot change it from the viewmodel. I need to select different...
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