Recent questions tagged WPF

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wpf dictionary binding where key=variable

I have a test dictionary MyDict = new Dictionary<string, Uri> { {"First", new Uri("alma.jpg", UriKind.Relative)}, ... "200" Height="30" /> thx. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - Format part of the text of TextBlock using iValueConverter

I want to make part of the text of a textblock bold. This is what i tried in the IValueConverter but ... the TextBlock to the converter? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - Why do my panels clip all the way around the panel when made smaller than the explicit size?

Probably a confusing question title. The Grid with the Red Rectangle is an example of how it should look. ... wrong? Need more clarification? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - Combobox background not being applied in windows 8

I am a little confused with wpf themes. I would like to have the wpf screens look the same on Vista, ... of combobox appearance on Windows 8 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - Dynamically adding and loading image from Resources in C#

I have some images added to my solution, right now it is under the folder imagesflowers ose.png inside the ... it to the target system. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - Why Does ItemsControl Not Use My ItemTemplate?

I am able to use an ItemTemplate within an ItemsControl to render items in a specific format. However, if one ... followed by a red rectangle. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - How to Set Image Resource URI from Code-Behind

I am trying to embed a PNG graphic into a DLL and load it into an Image control as a ... bSkipJournaledProperties) bei System.Windows.Application.DoStartup() bei System.Win...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - Warn about CapsLock

I have a DataGridTemplateColumn with DataTemplate as a PasswordBox. I want to warn user if CapsLock is toggled. ... need an independent Popup. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - How to use binding in the ListBox’s Items to the ViewModel’s properties

I have a ListBox which displays the collection of MyObjects. The collection is in the ViewModel. I want to handle a ... button was clicked? } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - How to do calculation in xaml while binding?

I can bind a label to a slider as shown below: <Label Name="lblTest" Content="{Binding ElementName=slider1, Path= ... not in my code? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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778 views

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wpf - FrameworkElement`s DataContext Property does NOT inherit down the element tree

Hello WPF Pros at least I hope some of you read this! DataContext is a property on FrameworkElement (base ... the DataContext Property ??? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - How to select TreeView item from code

I have a three level treeview. How do I select any item in third level from code? I tried a method mentioned in many ... true }); } catch { } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - How to pass parameters to command using multibinding?

I am using MVVM tool kit version1. I have two Text boxes textbox1 and textbox2. I need to pass these two ... return the result to the texbox3? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - Why doesn't my TextBlock/TextBox apply values from a Base Style?

It's not uncommon for me to write something like below for styling a data entry form, but my problem ... "{StaticResource BaseElementStyle}" /> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - Custom window style with minimize animation

I wanted to have a customized window so followed a few tutorials which enable this by setting the window style to ... WindowStyle.None)); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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873 views

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wpf - Code to check if a cell of a DataGrid is currently edited

Is there a simple possibility to check if the DataGrid is currently in EditMode (Without to subscribe to BeginningEdit and CellEditEnding) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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769 views

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wpf - How can I define how many spaces a TAB jumps in a XAML TextBox?

When the user presses a tab in this textbox, the cursor jumps an equivalent of 8 spaces. How can I change it ... Text="{Binding OutlineText}"/> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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785 views

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wpf - Align bottoms of text in controls

The following snippet: <Window x:Class="Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/ ... a better situation. Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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737 views

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wpf - Pass command parameter from the xaml

I try to do something like this: <DataGrid Name="myGrid" ItemSource="{Binding Path=MyCollection}"> <DataGrid ... }" CommandParameter="1"> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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800 views

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wpf - What is the advantage of setting DataContext in code instead of XAML?

There seem to be two main ways to define DataContext in WPF: either in code like this: App.xaml.cs (taken from ... XAML, anyone know what it is? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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wpf - ObservableCollection dependency property does not update when item in collection is deleted

I have a attached property of type ObservableCollection on a control. If I add or remove items from the ... this within the dependency property See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - How can I get a BitmapImage from a Resource?

My assembly includes an image with BuildAction==Resource. I want to obtain a BitmapImage from this embedded resource. ... to use pack URIs. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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737 views

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wpf controls - WPF datagrid pasting

I'm having trouble pasting from a csv into the wpf datagrid - I have followed the suggestions here http://blogs. ... ][columnDataIndex]); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - TextBlock TextWrapping not wrapping inside StackPanel

I have a StackPanel, but the following line : <TextBlock Grid.Row="1" Grid.Column="0" Text="{Binding Notes}" ... it. Where am I going wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wpf - How to Close a DialogWIndow after login and display main window?

I have a login window and a main window. Now, I want to close the login window after a successful login and ... want to display the main window. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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994 views

1 answer

wpf - lazy loading in TabControls (MVVM)

I have an TabControl which displays a collection of my ViewModels. The mapping between ViewModel and View is ... approach 2 in MVVM. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

wpf - Getting a ComponentResourceKey to Work?

I am building a WPF app with several assemblies, and I want to share a resource dictionary among them. That ... working? Thanks for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

wpf - INotifyPropertyChanged or INotifyCollectionChanged with DataTable?

Hi i am having some troube with DataTables. So What i need is to detect whenever i change any cell in ... nothing happens. Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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