private void textBox_TextChanged(object sender, TextChangedEventArgs e)
{
if (suppressUpdate)
{
return;
}
CustomRangeStart rangeStart = this.radRichTextBox.Document.EnumerateChildrenOfType <CustomRangeStart>().FirstOrDefault();
if (rangeStart != null)
{
CustomRangeEnd rangeEnd = (CustomRangeEnd)rangeStart.End;
DocumentPosition start = new DocumentPosition(this.radRichTextBox.Document);
start.MoveToInline(rangeStart);
DocumentPosition end = new DocumentPosition(this.radRichTextBox.Document);
end.MoveToInline(rangeEnd);
DocumentSelection selection = this.radRichTextBox.Document.Selection;// new DocumentSelection(this.radRichTextBox.Document);
selection.SetSelectionStart(start);
selection.AddSelectionEnd(end);
this.radRichTextBox.Insert(this.textBox.Text);
}
}
private void UpdateTextBoxText()
{
string textInRange;
CustomRangeStart rangeStart = this.radRichTextBox.Document.EnumerateChildrenOfType <CustomRangeStart>().FirstOrDefault();
if (rangeStart != null)
{
CustomRangeEnd rangeEnd = (CustomRangeEnd)rangeStart.End;
DocumentPosition start = new DocumentPosition(this.radRichTextBox.Document);
start.MoveToInline(rangeStart);
DocumentPosition end = new DocumentPosition(this.radRichTextBox.Document);
end.MoveToInline(rangeEnd);
DocumentSelection selection = new DocumentSelection(this.radRichTextBox.Document);
selection.SetSelectionStart(start);
selection.AddSelectionEnd(end);
string text = selection.GetSelectedText();
textInRange = text;
}
else
{
textInRange = string.Empty;
}
this.suppressUpdate = true;
this.textBox.Text = textInRange;
this.suppressUpdate = false;
}
protected override void CopyContentFromOverride(DocumentElement fromElement)
{
CustomRangeEnd other = (CustomRangeEnd)fromElement;
// Copy your custom properties from other to this here.
}