How to init Style type property in sample data source
I have a viewmodel with Style type property and want to create sample data source to get view in designer. I use Application.Current.FindResource("CustomStyle") to define property in code behind, but...
View Articledatagrid, datatable updating values in celltemplate
Hi,I've made this control that basically creates dynamic columns in a datagrid each time it is loaded. The itemssource is a datatable. The reason its a datatable is because depending on an object...
View ArticleImages are not displaying in WinPE 4
Hi. I am having troubles displaying any images in a WPF application that is executed under WinPE 4.0 (.Net package is installed and application runs fine).App runs fine on normal Windows machines but...
View ArticleWPF User Control Image property
I have a User Control that contains a rectangle and an image. The rectangle is irrelevant to this issue. What I want to do, is be able to change the Source property of the entire user control (which as...
View ArticleHow to update a Setter within a MarkupExtension
I'm trying to implement my own MarkupExtension that takes two resource keys (in the SystemColor namespace) and a scale which mixes the two brushes. What I'm finding very difficult to do is implementing...
View ArticleOpacityMask strange behaviour
Hi! I have a problem using both OpacityMask and Clip properties of UIElement.When I set these two properties, then two unnecessary lines appears at the left and right sides of the UIElement.This markup...
View Articlehow to check for softwares requirement before launch my application
Hello, I've develop an application using Microsoft VS 2010 in my own pc, in my laptop runs just fine but when I try to execute it other computer it gives several error due to the lack of neccesary...
View ArticleScreen Navigation Best Practices in a borderless transparent background window
I have a WPF application that has several different screen scenes defined as separate grids all on a single Window that is borderless and transparent background. There is a Home and Back button at the...
View ArticleGet Token value from data template items
I am tryin to get Datacontrol value (TextBlock) from code behind I have xaml like <code> <UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"...
View ArticleWPF - Speeding up RTF Loading Code
Hello all,I'm working on an update for one of my programs, and the Load function that loads the user's information is lagging for maybe 1 or two seconds. In my application, the user can click buttons...
View ArticleHow to increase brightness in wpf
Hi all,I am working on a wpf project. I have a control and set the background color of it while loading it, when the mouse enters this control, I want to highlight the control(increase the brightness...
View ArticleItemContainerGenerator Recycling Problem
Hi,I am trying to use Recycling within my custom virtualizing panel.Here is my code:protected override Size MeasureOverride(Size constraint) { ... // computatons of firstVisibleItemIndex...
View Articleget all selected items from wpf checkbox list give me error
I have listbox with checked box as following, & it binding its data from sql server database,, I want to get selected items value When I run this but I got this error Unable to cast object of type...
View Articlehow do I add a static extra header row to a listview?
I have a listview which I am using to display a small amount of gridviewcolumns. I am trying to figure out a way to add an extra header row to my listview above the standard header row which contains...
View ArticleGet And Set Template Programmaticaly
Hi i try get template from element and set to another element, i get template this successful but i cant set this to other elementthis is my code String myXAML =...
View ArticleCreate tree view with icon
hi i want add icon to my tree view .how to do this ?any one have sample ?thanks
View ArticleC# - WPF - Adding multiple lines in a loop only shows them all at once.
Hello everyone! I am relatively new to programming and newer to C#. I looked around but didn't see the answer to my question anywhere else. So here goes:I have a method that, in a loop, adds multiple...
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position in gridview?
hi i have window like thisi have grid-view that has some rows and columns. i want this:when click on a row shows the window behind the row something like balloon or tool-tip.how can i do that?hamed
View Articlemenuitem 'System.Runtime.InteropServices.COMException' occurred in...
Hey all,There is a problem when using the menuitem of WPF 4.0. Here is the code.<Menu x:Class="CustomComponents.UnitSelector" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"...
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