Recent questions tagged wpf

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wpf controls - Change a Label's behavior to support toggling by click in WPF

Is there any way that I change a Label's behavior to support toggling by click in WPF? i.e. that's ... and "False" by clicking? Regards. See Question&Answers more detail:os...

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

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762 views

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wpf - Is there a way to use a style setter for properties of properties?

Edit: In the original question i made some wrong assumptions about how setters work so i modified it to ... event which works quite well) See Question&Answers more detail:os...

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

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751 views

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wpf - Purpose of using FrameworkElementFactory

In one of the application I am working I have found this code - public class MatrixCellTemplate : ... > </DataGridTemplateColumn.CellTemplate> See Question&Answers more detail:os...

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

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737 views

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wpf - How to group consecutive similar items of a collection?

Consider the following collection. True False False False True True False False I want to display it in a ... procedural code as possible? See Question&Answers more detail:os...

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

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841 views

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wpf - Binding to a single element inside a CompositeCollection

I am trying to produce a list of servers for browsing on a network such that it produces a tree view ... though. It seems awfully fundamental. See Question&Answers more detail:os...

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

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1.2k views

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wpf - How can I make my Grid Columns always be the same width?

If I set the Column's width to *, they're the same width initially but if an item is larger than the ... it's only the single-value converter) See Question&Answers more detail:os...

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

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827 views

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wpf - what is notifycollectionchangedaction reset value

I have an observable collection...SelectableDataContext<T>..And in the generic class ... in INotifyCollectionChangedAction. See Question&Answers more detail:os...

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

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987 views

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wpf - DataTrigger vs databinding with converter performance wise

I have a large number of styles defined for my grid (cell colors based on state, etc.). Right now I use ... scenes so I can't be sure. See Question&Answers more detail:os...

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

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716 views

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wpf - Weird problem where Button does not get re-enabled unless the mouse is clicked

My app is written using the MVVM pattern in WPF, and all of my Buttons use Command bindings to execute ... RelayCommand class does just that." See Question&Answers more detail:os...

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

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690 views

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wpf - Detect broken bindings in XAML already at compile time

It is a simple and frequent, I think, scenario - you bind in XAML a dependency property to property in ... bindings already at compile time? See Question&Answers more detail:os...

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

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1.2k views

1 answer

wpf - RelativeSource and Popup

The problem is that RelativeSource does not work in the following case. I use silverlight 5. //From MainPage ... source binding not 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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918 views

1 answer

wpf - Scroll ListViewItem to be at the top of a ListView

In WPF, I know I can use ListView.ScrollIntoView to scroll a particular item into view, but it will always do ... out what the last shown item. See Question&Answers more detail:os...

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

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1.0k views

1 answer

wpf - How to change x,y origin of canvas to bottom left and flip the y coordinates?

I have a bunch of data points that I would like to two-way bind to points on a canvas. The points assume ... I would like to stay in XAML) See Question&Answers more detail:os...

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

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1.4k views

1 answer

wpf - Change Background color of MenuItem on MouseOver

I want to change the default background color of a MenuItem at mouseOver. Here is my xaml code: Style : < ... color YELLOW on mouse over? See Question&Answers more detail:os...

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

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963 views

1 answer

wpf - How to disable ScrollViewer in ListBox?

I have a ListBox. It has internal ScrollViewer, so I can scroll ListBox content with mouse wheel. It works fine until ... so I can't 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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821 views

1 answer

wpf - Fill Grid width inside a listbox

I have a grid as the datatemplate for items in a listbox and it's not filling the whole width of the control. ... </Style> Did I miss something? See Question&Answers more detail:os...

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

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841 views

1 answer

wpf - Move items in a canvas using MVVM

I want the user to be able to move items freely in a canvas. My app is using Caliburn.Micro. My ... cursor's position from the viewmodel. See Question&Answers more detail:os...

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

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799 views

1 answer

wpf - Binding two commands to one button?

I have a tab control contains two tabs, one shows me the messages of a running process and the other ... / and Inotify property changes here See Question&Answers more detail:os...

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

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963 views

1 answer

wpf - Change style of last item in ListBox

I have listbox control which has list of colors. Here is code and Image: <ListBox Name="FillSelections" ... last item only like this: See Question&Answers more detail:os...

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

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616 views

1 answer

wpf - Set the binding value directly

Is it possible to set the value behind a two-way binding directly, without knowing the bound property? I have an ... it and change its value? See Question&Answers more detail:os...

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

0 votes

986 views

1 answer

wpf - Use style trigger to set property of a nested object

I have a small polygon written on the large canvas. I want to highlight a polygon when mouse is moving over the ... does not see the "polygon". See Question&Answers more detail:os...

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

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1.4k views

1 answer

wpf - Binding from context menu item to parent control

I have a control, on that control is a command called SaveToClipboardCommand. I want to bind a context menu item ... do even possible? 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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871 views

1 answer

wpf - Pack URI to image embedded in a resx file

How do I construct a pack URI to an image that is in a resource file? I have an assembly called MyAssembly. ... (the image contains text)). See Question&Answers more detail:os...

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

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637 views

1 answer

wpf - Why is CompositeCollection not Freezable?

I am writing an application using the MVVM pattern. I am providing data to my view by setting my view's DataContext ... I'd like to hear 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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682 views

1 answer

wpf controls - How to set the location of a WPF window?

I have a List View in which I have defined a custom cell as a user control. In the custom cell I given ... it just comes above the hyperlink. See Question&Answers more detail:os...

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

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1.2k views

1 answer

wpf - Blinking TextBlock

Hi iam trying to make an Wpf TextBlock to blink. I want like when im clicking on an button then the ... event to blink. Thanks for help See Question&Answers more detail:os...

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

0 votes

794 views

1 answer

wpf - Change ListViewItem background colour on mouse over

I need some help here. I can't understand why none of the solutions I found work for my case. Let's consider a ... of what I'm trying to do? See Question&Answers more detail:os...

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

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659 views

1 answer

wpf - Why do tab controls reuse View instances when changing tab

I have a WPF project following an MVVM pattern. I have one control that contains a tab control. The tab control ... > </TabControl> </Grid> See Question&Answers more detail:os...

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

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