Recent questions tagged WPF

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wpf - Double Click a ListBox item to open a browser

I have a ListBox in my wpf window that binds to an ObervableCollection. I want to open the browser if ... using the ListBox? Yours Sebastian See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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831 views

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wpf - Path drawing and data binding

I am looking for a way to be able to use the wpf Path element to draw a path that will represent a route on ... how to even start.. Any hints? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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730 views

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wpf - Selecting a ListBoxItem when its inner ComboBox is focused

I have a DataTemplate that will be a templated ListBoxItem, this DataTemplate has a ComboBox in it which ... StaticResource myDataTemplate}" /> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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994 views

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wpf - String format using MultiBinding?

I'm trying to display a string in XAML using Label control. Following is my XAML code : <Label Height="28" ... > </TextBlock.Text> </TextBlock> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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941 views

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wpf - DataGrid row virtualization display issue

We currently have a DataGrid that is bound to a DataTable. It also has a template column with a CheckBox in it ... what we may be doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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983 views

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wpf - The name ViewModel does not exist in the namespace "clr-namespace:Project.ViewModels"

Now that's a real strange error. I am working on a WPF application and following MVVM. In my ... MyProject.ViewModels.MainPageViewModel exists. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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782 views

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wpf - How can I tell my DataTemplate to bind to a property in the PARENT ViewModel?

I've got the following MainView.xaml file that works well as a MVVM menu switcher. I've got these pairs: Page1View ... /> </DockPanel> </Window> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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886 views

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wpf - Styling a GroupBox

I'm trying to create a GroupBox design like this. I have looked at the GroupBox.HeaderTemplate but I'm having ... what it looks like right now. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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980 views

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wpf - DataGrid's selected row color when inactive

How can I style WPF DataGrid to change the color of selected row when DataGrid lost its focus? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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849 views

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wpf - Wavy underlines in a FlowDocument

In WPF, is there an easy way to add wavy underlines (like spelling errors in Word) to FlowDocument elements? There's ... be no way to style it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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685 views

1 answer

wpf - How to get rid of whitespace between Runs in TextBlock?

I have following XAML: <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="10" FontFamily="Arial" ... display 12+11 ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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908 views

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wpf - How does CommandManager.RequerySuggested work?

The MSDN only states that Occurs when the CommandManager detects conditions that might change the ability of a command ... pressed and so on) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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825 views

1 answer

wpf - HorizontalAlignment=Stretch, MaxWidth, and Left aligned at the same time?

This seems like it should be easy but I'm stumped. In WPF, I'd like a TextBox that stretches to the width of it ... > </Page> What's the trick? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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892 views

1 answer

wpf - ListView.GridViewColumn (*) width

I am using ListView control instead of DataGrid in my WPF application. I want to give * width to my ... this will highly appreciated. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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621 views

1 answer

wpf - Why dependency properties?

Why did Microsoft go the route of making dependency properties and dependency objects instead of using reflection and maybe attributes? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

wpf - Align items in a stack panel?

I was wondering if I can have 2 controls in a horizontal-oriented StackPanel so that the right item should be ... with StackPanel, not Grid etc. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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773 views

1 answer

wpf - Animated (Smooth) scrolling on ScrollViewer

I have a ScrollViewer in my WPF App, and I want it to have smooth/animated scrolling effect just like ... same properties/features I want? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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702 views

1 answer

wpf - What is the different between 'Auto' and '*' when setting width/height for a grid column?

I cannot distinguish the different between 'Auto' and '*' when setting width/height for a grid column. Please help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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728 views

1 answer

wpf - Trigger Filter on CollectionViewSource

I am working on a WPF desktop application using the MVVM pattern. I am trying to filter some items ... FilterText TextBox changes? Many thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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931 views

1 answer

wpf - Is there a way to chain multiple value converters in XAML?

I've got a situation in which I need to show an integer value, bound to a property on my data context, after ... please let me know. :) Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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851 views

1 answer

wpf - ListBox vs. ListView - how to choose for data binding

I'm considering either a ListBox or a ListView for a WPF application. It seems either supports data binding and ... control to use and when? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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861 views

1 answer

wpf - How do I space out the child elements of a StackPanel?

Given a StackPanel: <StackPanel> <TextBox Height="30">Apple</TextBox> <TextBox Height="80">Banana</TextBox> ... each of the individual children? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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814 views

1 answer

wpf - How to generate msi/exe installer file in visual studio 2017 for a project of over 24 GB files?

I have a WPF project which has a resource (videos) with over 24 GB, I have set the configuration to Copy ... 700Kb of exe file. Please suggest. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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754 views

1 answer

wpf - List/Combo Box Background And Selected Colours Under .net 4.5

I have an application that's been running happily on windows 7 and below targeting the .net 4 framework ... Style> </ListBox.ItemContainerStyle> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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764 views

1 answer

wpf - Can you use a Binding ValidationRule within 1 line in xaml?

I don't know the correct wording to describe what I'm trying to do here... so I'll just show it. This xaml ... up the design view of my window? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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787 views

1 answer

wpf - How to access a control from a ContextMenu menuitem via the visual tree?

This seems to be a pretty popular topic, but... I have the following XAML: <internal:MyCommandObject x:Name=" ... need to get this to work? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

wpf - Force redraw before long running operations

When you have a button, and do something like: Private Function Button_OnClick Button.Enabled = False [LONG OPERATION] ... also had no effect. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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821 views

1 answer

wpf - DataGridTemplateColumn : Items collection must be empty before using ItemsSource.

Why is the error code : <dg:DataGrid Name="dataGrid" AutoGenerateColumns="False" HeadersVisibility="Column" ... add button to datagrid See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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