Set TEXTBOX as a multi-line text input box in WPF

Little scum · Posted on 1/12/2016 11:29:49 AM

Although you can use ricktextbox to achieve multi-line text input, but richtextbox is more complicated, and it is too troublesome to face simple multi-line text input, but WPF's textbox can still achieve multi-line text input like textarea by setting attributes.ASP.NET

The following is the source of a reprint.

This example shows how to use the Extensible Application Markup Language (XAML) to define a TextBox control that will automatically scale to accommodate multiple lines of text.

Example
Setting the TextWrapping property to Wrap causes the entered text to swap to a new line when it reaches the edge of the TextBox control, automatically expanding the TextBox control to make room for the new line, if necessary.

Setting the AcceptsReturn property to true causes a new line to be inserted when the Return key is pressed, and the TextBox is automatically expanded again to make room for the new row if necessary.

The VerticalScrollBarVisibility property adds a scrollbar to the TextBox so that the contents of the TextBox can be scrolled when the TextBox exceeds the size of the frame or window that contains it.

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This TextBox will allow the user to enter multiple lines of text. When the RETURN key is pressed,
or when typed text reaches the edge of the text box, a new line is automatically inserted.
</TextBox>

[WPF] Set TEXTBOX as a multi-line text input box in WPF

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