Recent questions tagged WPF

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wpf - How do I change RichTextBox paragraph spacing?

I am using a RichTextBox in WPF, and am trying to set the default paragraph spacing to 0 (so that ... programmatically if possible. Any ideas? See Question&Answers more detail:os...

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

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776 views

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wpf - What is the best way to simulate a Click with MouseUp & MouseDown events or otherwise?

In WPF most controls have MouseUp and MouseDown events (and the mouse-button-specific variations) but not a simple ... comment to the answer). See Question&Answers more detail:os...

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

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790 views

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wpf - How to set Grid row and column positions programmatically

I have two Grids inside a Stackpanel. The first grid is named as GridX. Initially, inside the grid, there is a ... it. I appreciate your 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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634 views

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wpf - When Clearing an ObservableCollection, There are No Items in e.OldItems

I have something here that is really catching me off guard. I have an ObservableCollection of T that is filled with items. I ... , 18, 19 }; } } See Question&Answers more detail:os...

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

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643 views

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wpf - How can I determine if my TextBlock text is being trimmed?

The following textblock wraps and trims as expected. The elipsis "..." is displayed when the text is trimmed. < ... is being trimmed or not? See Question&Answers more detail:os...

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

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868 views

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wpf - ComboBox with empty item?

Suppose we have a DataSource bind to a collection from Database. There is no null item of course. How to ... Optimally in XAML. Any proposals? 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 set DataGrid's row Background, based on a property value using data bindings

In my XAML code, I want to set the Background color of each row, based on a value of the object ... property change this rows backgroundcolor? See Question&Answers more detail:os...

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

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