Recent questions tagged wpf

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In my application, I play a video file using the MediaElement control, and I need to have fast forward and ... (in appropriate speed ratio). 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 - Get all cells in datagrid

Is there a way to get an iteratable collection of all the cells in a DataGrid regardless of whether they are selected or not 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 - Using a datatemplate for the TabItems in a tabControl

If I have a class called: GuiObject, and that class has a list of GuiObjects called: "GuiObjects". Now say my ... Anyone know how to do this? 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 - TreeViewItem With Stretch

I want to create a WPF TreeView that contains TreeViewItems that stretch to fill the available space. I modified ... </TreeViewItem> </TreeView> 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 - Semi-transparent custom layout panel

I have built a semi-transparent custom layout panel in WPF by setting the Opacity value of the panel to 0.5. Everything ... { Opacity = 0.5 }; 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 - Alias or Reference in ResourceDictionary

I'm looking for a way to essentially give an item in a ResourceDictionary multiple keys. Is there a way to do this? ... there's a built-in way. 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 - WindowStyle None and touch input

In Windows 10, when using touch device like Surface, touching an input control like a TextBox in a not maximized ... the button is visible). 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 - Handle all Hyperlinks MouseEnter event in a loaded loose Flowdocument

I'm new to WPF, working on my first project. I've been stuck in this problem for a week so I'm trying ... question, thanks A LOT 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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wpf - The name 'InitializeComponent' does not exist in the current context : strange behaviour

I have created very small WPF application and facing one problem. I have below classes. Employee.cs using System; ... it is... Regards, Hemant 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 controls - unselect row in wpf datagrid

I have <DataGrid Name="grid" MouseDoubleClick="Attributes_MouseDoubleClick" > I need to unselect a row whenever a ... approach this? 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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wpf - In Visual Studio 2012 where does ClickOnce "Publish" expect to find the .Net 4 client profile?

The Publish feature stopped working once I installed Visual Studio 2012. Publish cannot find the prerequisite Microsoft ... my WPF application? 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 - Cannot find Region in RegionManager (using PRISM)

I'm writing an application in Prism. I have a user control and contains two <ContentControl> controls. These both ... t get added. Any clues? 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 - TextBox Cursor is NOT blinking

I have a WPF datagrid (4.0) with a custom column (derived from DataGridTextColumn). In GenerateEditingElement I ... working nicely Any ideas? 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 - RelativeSource in DataTemplate works with TabControl but not with TabItem

I am having a TabControl and within it a TabItem having a ContentControl. This ContentControl is applied a ... TabItem is not working?? 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 - ListBox is virtual by default?

I have a WPF ListBox with some user cards inside. When one of those user cards is created (in the ideal ... </ListBox.ItemTemplate> </ListBox> 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 - When does the ui detach from commands?

I'm really scratching my head with this one. I have a mainwindow which opens a dialog. After the ... viewmodel might already bee disposed. 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 - Can non-web applications use OpenID?

How can I make my desktop application into an OpenID relying party? 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 - Change background color of disabled listbox in windows classic theme

I am developing a WPF application that must run using Windows Classic theme. The application creates a dialog box ... for Classic theme??? 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 - Using uniformgrid to arrange buttons in a square

Im writing this childrens game (memory) and have a list of tiles (List) which i bind to an items control inside ... "/> </UniformGrid> </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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wpf - DataGridTextColumn Header DataTemplate

This may (hopefully) have a trivial or very simple answer. Suppose I want customized headings for my DataGrid. I ... Text" to the DataTemplate? 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 convert DataGrid to dataTable

I want to copy all the datagrid records into datatable without using any loop. For Ex: Dim dt as New DataTable dt = ... is WPF with vb.net 4.0 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 - comparing two dynamic values in DataTrigger

I want to compare two dynamic values User_id and user_id for equality and setting one property Cursor. Also, when ... "Hand"/> </DataTrigger> 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 - Property Metadata is already registered for “Timeline” property

I am having a WPF application which is called by a client software. It works fine for the 1st time.When I ... a different thread owns it. } 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 a literal curly brace "{" in XAML?

I need put in } and { in a XAML ConvertParameter without it being interpreted: ConverterParameter = "{0}/{1}" ... ... not work. How to do this? 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 - Show enum in a comboBox

<Grid xmlns:local="clr-namespace:SortedEnumInComboBox" xmlns:sys="clr-namespace:System;assembly=mscorlib" xmlns:scm=" ... a converter or what? 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 - View containing another relative view

I want to build a view, which will contain an injected view into a region (both will have their own ViewModels). ... using MVVM in a right way? 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 do I convert X y position within a TextBox to a text index?

I'm using a DragEventArgs for a Drop Event and have the x, y Drop Insert position within a TextBox. How do ... inormation! Thank you very much! See Question&Answers more detail:os...

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

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1.5k views

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wpf - Sorting ObservableCollection<T>

I have Two separate observable Collection where T is a user defined class. These collections are binded to List ... Thanks in advance. Cheers! See Question&Answers more detail:os...

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

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