C# – Rich Text box Properties problem

crichtextboxwpf

<RichTextBox AcceptsTab="True" ForceCursor="True" IsDocumentEnabled="True" TextChanged="ContentChanged" Name="TextContent"/>

In C# file i am not able to get Text property of Rich Textbox.
I am trying to get this like;

TextContent.Text= "hello"

But it is giving compile time error.

'System.Windows.Controls.RichTextBox' does not contain a definition for 'Text' and no extension method 'Text' accepting a first argument of type 'System.Windows.Controls.RichTextBox' could be found (are you missing a using directive or an assembly reference?)

Please suggest me.

Best Answer

Generally, you need to work with Blocks property. But, if you are using FlowDocument for representing RichTextBox content, then you can access text with Document property.

For example, writing content:

XAML:

<RichTextBox Name="rtb">
</RichTextBox>

Code:

FlowDocument contentForStoring =
    new FlowDocument(new Paragraph(new Run("Hello, Stack Overflow!")));
rtb.Document = contentForStoring;

To read content you simply access Document property:

FlowDocument yourStoredContent = rtb.Document;

If you need just to take text, you have more simple way - TextRange class. Next code will retrieve all text content:

TextRange storedTextContent =
    new TextRange(rtb.Document.ContentStart, rtb.Document.ContentEnd);
string yourText = storedTextContent.Text;
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