wpf Archives - Page 7 of 8

INotifyPropertyChanged vs. DependencyProperty in ViewModel

When implementing the ViewModel in a Model-View-ViewModel architecture WPF application there seem to be two major choices how to make it databindable. I ...

May 10, 2022
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Automatic vertical scroll bar in WPF TextBlock?

I have a TextBlock in WPF. I write many lines to it, far exceeding its vertical height. I expected a vertical scroll bar ...

May 10, 2022
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How do I get a TextBox to only accept numeric input in WPF?

I’m looking to accept digits and the decimal point, but no sign. I’ve looked at samples using the NumericUpDown control for Windows Forms, ...

May 9, 2022
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Is there a MessageBox equivalent in WPF?

Is there a standard message box in WPF, like WinForms’ System.Windows.Forms.MessageBox.Show(), or should I use the WinForms message box? 9 Answers 9

May 9, 2022
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Difference between SelectedItem, SelectedValue and SelectedValuePath

What is the difference betweeen the following: SelectedItem SelectedValue SelectedValuePath All these dependency properties are defined in Selector class. I often confuse SelectedItem ...

May 9, 2022
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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 way ...

May 8, 2022
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Multiline for WPF TextBox

I am developing an app for sending some feedback. Basically I’m trying to make a TextBox for comments, but I’m used to the ...

May 8, 2022
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The calling thread cannot access this object because a different thread owns it

My code is as below public CountryStandards() { InitializeComponent(); try { FillPageControls(); } catch (Exception ex) { MessageBox.Show(ex.Message, "Country Standards", MessageBoxButton.OK, MessageBoxImage.Error); } ...

May 8, 2022
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How to bind inverse boolean properties in WPF?

What I have is an object that has an IsReadOnly property. If this property is true, I would like to set the IsEnabled ...

May 7, 2022
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Storing WPF Image Resources

For a WPF application which will need 10 – 20 small icons and images for illustrative purposes, is storing these in the assembly ...

May 6, 2022
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