How to read .rtf file in C#

This method allows you to load the content of an RTF file directly into the RichTextBox control.

How to read .rtf file in C#?

Open Visual Studio, then click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "ReadRtfFile" and then click OK

Drag and drop the RichTextBox, Button controls from the Visual Toolbox onto your form designer, then design your form as shown below.

Add a click event handler to the Open button to allow opening an RTF file, then display its content in the RichTextBox control as shown below.

//Open file dialog, allows you to select a rtf file
private void btnOpen_Click(object sender, EventArgs e)
{
    using (OpenFileDialog ofd = new OpenFileDialog() { Filter = "Rich Text Format|*.rtf", ValidateNames = true, Multiselect = false })
    {
        if (ofd.ShowDialog() == DialogResult.OK)
            richTextBox.LoadFile(ofd.FileName); // Load the RTF file into the RichTextBox
    }
}

Opens a dialog allowing users to browse and select an RTF file. The Filter ensures only .rtf files are displayed, then you can load the selected file into the RichTextBox using the RichTextBox.LoadFile method.

This example demonstrates how to use an OpenFileDialog to allow users to select an RTF file and then load it into a RichTextBox.

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