/// <summary>
/// Called when ribbon tab panel opened.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Ribbon_RibbonTabPanelOpened(object sender, EventArgs e)
{
ZoomFactor = richTextBox.ZoomFactor;
isSetZoomFactor = true;
isRibbonTabPanelOpened = true;
inputPane.TryHide();
SetReadOnlyForRichTextBox(false);
}
