Recent questions tagged Wpf

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wpf - Cannot delete file used by some other process

I am displaying some image in my wpf app using following code: <Image Source="{Binding Path=TemplateImagePath, Mode= ... How can I delete 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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908 views

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wpf - TextBox and default Button binding does update too late

I've got a simple WPF dialog with these two controls: <TextBox Text="{Binding MyText}"/> <Button Command="{ ... the button. So what 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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564 views

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wpf - Why can't I style a DataGridTextColumn?

I tried to create a Style for DataGridTextColumn with the following code <Style TargetType="{x:Type DataGridTextColumn}"> . ... how do I fix 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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665 views

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wpf - How to add validation to view model properties or how to implement INotifyDataErrorInfo

I have a data collection of type ObservableCollection (say instance as myClassTypes). After some user operation, this ... wrong I am doing ? See Question&Answers more detail:os...

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

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953 views

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wpf - Enumerating .NET assembly resources at runtime

I have a resource assembly with image files in it that are built using Resource or Content build action. This ... the question is still open. See Question&Answers more detail:os...

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

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760 views

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wpf - Template Binding in Control template

I have the following control template. I wish to set the source property for the image control in the control ... how to tackle this situation. 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 - Change theme at runtime

I have a WPF application with a theme (ShinyRed.xaml) and I want to have a button that when clicked changes the ... > How might I do 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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wpf - How to set MouseOver event/trigger for border in XAML?

I want the border to turn green when the mouse is over it and then to return to blue when the mouse is ... a trigger or events for MouseOver? See Question&Answers more detail:os...

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

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765 views

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wpf - How can I turn binding errors into runtime exceptions?

Just as there is "treat warning as errors" set in our projects to catch early possible problems, I would love to ... done? And if yes, how? See Question&Answers more detail:os...

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

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813 views

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wpf - Binding [VisualStateManager] view state to a MVVM viewmodel?

How do you bind the VisualStateManager state of a control to a property in you viewmodel? Can it be done? See Question&Answers more detail:os...

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

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767 views

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wpf - VirtualizingStackPanel + MVVM + multiple selection

I have implemented a selection pattern similar to the one described in this post using a ViewModel to ... using a VirtualizingStackPanel)? See Question&Answers more detail:os...

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

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865 views

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wpf - XAML Combine styles going beyond BasedOn?

Is there any way to combine mutliple styles in XAML to make a new style that has all of the desired settings? ... has heard of such a thing?? 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

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wpf - How to reference image resources in XAML?

I put an Image control on a Window and I would like to display an image that is stored in a project resource ... I might go about doing 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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782 views

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wpf - How to get StackPanel's children to fill maximum space downward?

I simply want flowing text on the left, and a help box on the right. The help box should extend all the ... /DockPanel> </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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890 views

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wpf - Binding as a Resource

Can I define a Binding as a Resource and then reuse it with different Controls properties? Example: Binding: ... Binding in different contexts? See Question&Answers more detail:os...

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

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693 views

1 answer

wpf - TextBox TextTrimming

I would like to apply a TextTrimming option on a TextBox (Not a TextBlock). The compiler tells me that the ... will be trim again. 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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613 views

1 answer

wpf - Implement INotifyPropertyChanged on generated Entity Framework classes

I have an SQL DB and am implementing a WPF UI to update it. If I use EF5 to generate the classes from ... an easy way to achieve this? 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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861 views

1 answer

wpf - Restart application using C#

How can I restart my WPF application using C#? See Question&Answers more detail:os...

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

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778 views

1 answer

wpf - Setting a style's TargetType property to a base class

I was just poking around a bit in WPF and wanted all elements on my Window to share the same margin. I found ... would have been a good idea? See Question&Answers more detail:os...

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

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556 views

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wpf custom button best approach

I want to create a custom Button inside WPF. Of course, the button will be an UserControl and it will contain many ... . What do you guys think? 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 controls - How to show row-number in first column of WPF Datagrid

While searching I found that, row number can be set to RowHeader easily: void datagrid_LoadingRow(object sender, ... I achieve this? 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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638 views

1 answer

wpf - Create contextmenus for datagrid rows

I have a datagrid that potentially can have many rows. As the user right clicks one of the rows, I need to ... determine the correct row, 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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850 views

1 answer

wpf - What is the code behind for datagridtemplatecolumn, and how to use it?

I have a DataGrid in WPF. And I am trying to add Buttons to certain cells of the grid, after it is ... Any help will be highly appreciated. See Question&Answers more detail:os...

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

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749 views

1 answer

wpf - WrapPanel as ItemPanel for ItemsControl

Still fooling around with WPF and learning as I go. Trying now to build a dynamic grouping of controls (mostly ... 's would really do 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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874 views

1 answer

wpf - Executing a command on Checkbox.Checked or Unchecked

I have a checkbox control on a window. I'd like to execute a command that will call a method in the ... a checkbox. Has anyone done 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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779 views

1 answer

wpf - Progress bar with dynamic text & text color update

I've a progressbar whose text changes dynamically. I want to update the appearance of it such that as ... white background should remain black. See Question&Answers more detail:os...

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

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815 views

1 answer

wpf - Different views / data template based on member variable

I have a view model called ViewModelClass which contains a boolean. I have another view model which contains ... with some code please? See Question&Answers more detail:os...

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

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607 views

1 answer

wpf - How to bind a TextBlock to a resource containing formatted text?

I have a TextBlock in my WPF window. <TextBlock> Some <Bold>formatted</Bold> text. </TextBlock> When it is ... task possible and if so how? See Question&Answers more detail:os...

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

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