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WPF is Keeping Image Controls in Memory

I have a very image-intensive WPF application. I have developed a solution that holds onto `BitmapImage` objects in a dictionary by their path name and gets rid of them after a certain amount of time...

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how to change the default movement of scrollbar when the height of text box...

I am using DataGrid in which corresponding to one student we can have multiple courses assigned. When one student have been assigned large number of students than height of student name textbox...

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Selected Combox value to another window

Hi guys,Model: private string fruit; public string Fruit { get { return fruit; } set { fruit = value; OnPropertyChanged("Fruit"); } }ViewModel: private ObservableCollection<Model> fruits = new...

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General questions about deriving from Window

I've created a class that derives from Window, in my solution I have the new class and a demo/test app.I've gotten most of what I want to do - all of the override logic is coded in the class, the only...

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How to binding command to custom routed event?

Hi All,I am developing a WPF App. I created a Custom UserControl and set some RoutedEvents.  Code snippet like this,XAML:<Grid><Button Content="Click me" Width="200" Height="45"...

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Update TextBlock text using Dispatch timer

I am trying to update my textblock with new text from a list of strings.But each time I start my programm,the TextBlock always jumps to the last string.And I do not know why.<Grid Opacity="0.8"...

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How do you dynamically handle variable number of columns returned from a...

I've written a few WPF apps. I know how to use data templates and have written them. But in all cases when I've used them, I'd done so with a known number of columns being returned from the...

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Treeview control with transparency to use in winforms

Hi All,I'm sorry for my lack of knowledge in WPF, I have never used it.I need a Winforms Treeview control with some transparency and according to every post I have read it looks like impossible to do...

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WPF memory leak with Automation Peer

Hi there, I found a memory leak for WPF TabControl. (vs 2012 and .NET 4.5):An simple view:<Window x:Class="WpfApplication1.MainWindow"...

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Data Binding to a Button IsPressed Property

Is it possible to create a binding on a button such that the boolean value is set to true when the button is pressed then is set to false when the button is released?I tried binding to the IsPressed...

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How to write my own popup control by WPF

Hi there,I have an control to show some figure, see blue area.I want to customize a control which has this function, when mouse is over the figure control, there will be some setting control(see the...

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Treeview HierarchicalDataTemplate Disable all items

Hi My code follows:                     <Border>        <DockPanel>            <TreeView x:Name="tree"                BorderBrush="Transparent" BorderThickness="0"...

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UI Response on heavy loading Data from Database

Hi All,i am looking to find out solution if i am using data loading into grid from data base my screen take 20 seconds with total 300 records and 50 columns +.Store proc it self taking 7 seconds and my...

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Pinters & Devices windows goes behind WPF app

Dear All,I have a WPF application & I’m trying to open “printers & devices” on Windows 8.1.Issue: The window is opening but it goes behind the  WPF application.How can I bring the “printers...

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IDataErrorInfo in Multiple View Models

hi,Here is my Sample Code:ViewModel: private string firstName; public string FirstName { get { return firstName; } set { firstName = value; OnPropertyChanged("FirstName"); }...

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datepicker

how can i store datepicker date value in mysql date type coloumn?

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How to Add Winform's MSChart into WPF application

Hi,  I wanted to add the winform's chart control (Namespace:System.Windows.Forms.DataVisualization.Charting) into the WPF, but I am not able to add it. My existing XAML code looks like...

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Supress Code Analysis Errors in Generated Code

I love code rules! I want to implement every single one!The problem is that most of my errors come from the generated code behind WPF.I have enabled "Supress results from generated code (managed...

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Problem with delete table row in FlowDocument.

I add usercontroll and tablerow add tablerowgroup then add in FlowDocumentScrollViewer but i have problem with Right Click  Delete row that i add already in FlowDocumentScrollViewer ,How should i do...

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Byte property bound to Text box text property - Setter not getting called

Hi,I have a text box in wpf application and its Text property is bound to a property of type byte. When I try to enter any alphanumeric text in the text box then the setter of that property is not...

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