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How to implement a control that can contain a large number of tabs (like Excel)?
Our application is almost ready, but is has a serious shortcoming. Its interface is based on a DataGrid, with some features borrowed from Excel. The feature that I don't know how to implement is the...
View ArticleList: Limit number of items in advance
Hello,I want to set a list that it can hold up to 1000 items (for example).All items will be pre-allocated before actually adding them to the list.Upon adding item number 1001, item 1 will be dropped...
View ArticleWhen to use Independent / Clock mode of MediaElement
I have read MediaElement remarks about 2 modes available to use MediaElement.What could be the possible scenarios for either mode ? Anjum S Khan Admin/Analyst Blog.TrackNifty.com
View ArticleAdding Buttons to a Canvas in a Grid Format
It seems a canvas is ideal for this... if I want to continually add buttons to a grid-type display and have them stored somewhere where they can be saved, then a canvas is the best option?What I don't...
View ArticleInstalled font missing from WPF designer font family
Hi - I'm working in Visual Studio 2012 on a WPF application. We have 5 fonts we hope to use: 4 work fine, but one ("NeueHelveticaPro-49CmLight.ttf") doesn't appear as a selection for the font family in...
View ArticleWPF Entity Framework - Validation
I seem to be getting a validation error with my Entity, but this is causing an exception instead of simply not allowing the SaveChanges Method to execute like it should do.This is the Exception...
View ArticleHow to resolve the Method binding issue with that of delegate type?
I am trying to create my own ContextMenuOpening event (Event ContextMenuOpening name should be same as FrameworkElement class) when I tried to trigger that event from Xaml page its throwing “Cannot...
View ArticleClipboard is clearing image data once my application Closed
Hi, I am using some mechanism to copy image as Bmp to the clipboard and i want to reuse the same image for different application. My problem is image data is getting cleared once i go for...
View Article[WPF] How to edit a copy of style in Blend?
I have Rectangle in Grid.I set properties of Rectangle.How can I create a style of Rectangle while saving its properties that I already set?Blend version: Blend for Visual Studio 2015.
View ArticleBasics to get started with a flyout application
Good morning,At this point I'm not sure if WPF is the correct/most suitable technology for my request or not so here goes...I'm hoping somebody can point me in the direction of any information related...
View ArticleIDataErrorInfo
Hi to all, I found the following little neat sample and am trying to figure out how it works. In particular, I'm having problems with understanding these few lines:<Border Background="Red"...
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Create Dyamic Icons in WPF Listbox Control
Hello. I am trying to create a listbox with icons in the first column. These icons have already been defined as resources contained in a resource dictionary. When I do this manually it shows an icon...
View ArticleHow to set binding in DataTemplate without knowing property name? DataGrid,...
I have a DataTable property in my viewModel:public class MainViewModel() { public MainViewModel() { PopulateDataTable(); } private DataTable employeeDataTable; public DataTable EmployeeDataTable { get...
View ArticleNo color syntax in XAML text editor in Visual Studio 2015
There is no color syntax in VS2015 Community Edition. I tried to fix it in different ways including Repair VS2015 twice, Re installing, Resetting user data and executing the exe file in a FAQ.
View ArticlePrevent User Clicking UI When Using Async/Wait
I have a Task that returns an ObservableCollection of Companies. I display a small Window that simply says "Please wait.." whilst this Task is performed. The problem is, the user can still interact...
View ArticleUpdate Combobox Width at runtime in a MFC application.
Hi,I want to update the size of combobox at runtime so that it can show the widest string in that in an MFC application.can anyone please help me with thisThanks in advance.
View ArticleHow Are SplashScreen(FileName) loaded ?
Created a resource called Rig.png and it shows in resources folder in project.In Appl.Xaml.cs it is referenced as Splasher.SplashScreen = new SplashScreen("Rig.png");If the Build Action properties...
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WPF Panel with next and Previous
Hello pp lwould like to know if we can do a panel like this in WPF. Where I sent a list item for the usercontrol, and after that the control showed items that were possible, and if more it shows the...
View Articlewpf datagrid exit cel editing mode when validation error
I have a datagrid with validatesOndataerror on column enabled I want to enable the changes of all row even if there is an error on one row.I know that the dataGrid will not exit cell editing mode until...
View ArticleLearning WPF MVVM + Prism for beginner
Hi. I'm a web developer with some 16 years experience working with Microsoft technologies. My latest project requires a WPF app with multiple views, a SQL Server database, and AD authentication. I'm...
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