private static void editFraction(RichTextEditor editor)
{
RichTextBox richTextBox = editor.RichTextBox;
TextPointer insertionPosition = richTextBox.Selection.End;
Image image = Helper.GetImageAncestor(insertionPosition);
FractionDialog dlg = new FractionDialog();
if (image != null)
{
dlg.FractionPart = editor.GetQuestionContentPart(image.Tag as string) as QuestionFractionPart;
}
if (dlg.ShowDialog().Value)
{
PictureCommands.InsertMathPicture(editor, dlg.FractionImage, dlg.FractionPart.PlaceHolder);
if (image != null)
{
foreach (var temp in editor.Parts)
{
if (temp.PlaceHolder == (image.Tag as string))
{
editor.Parts.Remove(temp);
break;
}
}
}
editor.Parts.Add(dlg.FractionPart);
}
}
private static void insertFraction(RichTextEditor editor)
{
FractionDialog dlg = new FractionDialog();
if (dlg.ShowDialog().Value)
{
PictureCommands.InsertMathPicture(editor, dlg.FractionImage, dlg.FractionPart.PlaceHolder);
editor.Parts.Add(dlg.FractionPart);
}
}