/// <summary>
/// Insert the given text into this RichTextBox at the current CaretPosition, and replacing any already-selected text.
/// </summary>
/// <param name="richTextBox">The RichTextBox to insert the new text into</param>
/// <param name="sTextToInsert">The text to insert into this RichTextBox</param>
public static void InsertText(this System.Windows.Controls.RichTextBox richTextBox, string sTextToInsert)
{
if (!String.IsNullOrEmpty(sTextToInsert))
{
richTextBox.BeginChange();
if (richTextBox.Selection.Text != string.Empty)
{
richTextBox.Selection.Text = string.Empty;
}
TextPointer tp = richTextBox.CaretPosition.GetPositionAtOffset(0, LogicalDirection.Forward);
richTextBox.CaretPosition.InsertTextInRun(sTextToInsert);
richTextBox.CaretPosition = tp;
richTextBox.EndChange();
Keyboard.Focus(richTextBox);
}
}
public void BeginChange()
{
_rtb.BeginChange();
}
