WPF text Wrap vs WrapWithOverflow

word-wrapwpf

What's the "conceptual" difference between TextWrapping="Wrap" and TextWrapping="WrapWithOverflow" (e.g. for a TextBox)?
In the MSDN page about the class TextBox there is nothing …
Thank you.

Best Answer

Some examples:

This is the original, unwrapped version:

No wrapping

This is NoWrap.

NoWrap

This is Wrap. The words Remove and Sample have been wrapped at the ve and le, respectively, even though there is no line break opportunity.

Wrap

This is WrapWithOverflow. The ve and le are not visible (they overflow the available block width) because there is no line break opportunity. The All, in both cases, has been wrapped because the space character is a line break opportunity.

WrapWithOverflow

Edit:

As suggested in the comments, here's some examples of how Wrap treats spaces. When Width is 100, Wrap and WrapWithOverflow are identical. Wrap treats the space between wider and example as a line-break opportunity, so example is put on a new line to preserve the entire, continuous word.

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A StaticResource will be resolved and assigned to the property during the loading of the XAML which occurs before the application is actually run. It will only be assigned once and any changes to resource dictionary ignored.

A DynamicResource assigns an Expression object to the property during loading but does not actually lookup the resource until runtime when the Expression object is asked for the value. This defers looking up the resource until it is needed at runtime. A good example would be a forward reference to a resource defined later on in the XAML. Another example is a resource that will not even exist until runtime. It will update the target if the source resource dictionary is changed.

WPF button textwrap style

To expand Eric's answer with an example:-

<Button Name="btnName" Width="50" Height="40">
   <TextBlock Text="Some long text" TextWrapping="Wrap" TextAlignment="Center"/>
</Button>

Best Answer

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