/// <summary>
/// Imports pages of <paramref name="sourceDocument"/> into the current <see cref="PdfDocument"/>.
/// </summary>
/// <seealso cref="PDFium.FPDF_ImportPages(Types.FPDF_DOCUMENT, Types.FPDF_DOCUMENT, int, int[])"/>
public bool Insert(int index, PdfDocument sourceDocument, params int[] srcPageIndices)
{
bool result;
if (index <= _pages.Count)
{
result = Pdfium.FPDF_ImportPages(_doc.Handle, sourceDocument.Handle, index, srcPageIndices);
if (result)
{
_pages.InsertRange(index, Enumerable.Repeat <PdfPage>(null, srcPageIndices.Length));
for (int i = index; i < _pages.Count; i++)
{
if (_pages[i] != null)
{
_pages[i].Index = i;
}
}
}
}
else
{
throw new ArgumentOutOfRangeException(nameof(index));
}
return(result);
}
