private void DoJumpToPageNumber(int offset)
{
try
{
int page_number = Int32.Parse(JumpToPageNumber.Text) + offset;
PDFDocument pdf_document = GetPDFDocument();
ASSERT.Test(pdf_document != null);
if (pdf_document != null)
{
// cycle around when jumping to page #N:
int modulo = Math.Max(1, pdf_document.PageCount);
page_number = (page_number - 1) + 2 * modulo; // guaranteed to end up with a positive number here...
page_number %= modulo;
page_number++; // and make it 1-based again after the MODULO math.
pdf_renderer_control.MoveSelectedPageAbsolute(page_number);
JumpToPageNumber.Text = "" + page_number;
JumpToPageNumberMax.Text = $" of {pdf_document.PageCountAsString}";
JumpToPageNumber.SelectAll();
}
}
catch (Exception ex)
{
Logging.Error(ex, "Error jumping to manual page number '{0}'.", JumpToPageNumber.Text);
}
}
void DoJumpToPageNumber(int offset)
{
try
{
int page_number = Int32.Parse(JumpToPageNumber.Text) + offset;
if (page_number < 1)
{
page_number = pdf_renderer_control_stats.pdf_document.PDFRenderer.PageCount;
}
if (page_number > pdf_renderer_control_stats.pdf_document.PDFRenderer.PageCount)
{
page_number = 1;
}
pdf_renderer_control.MoveSelectedPageAbsolute(page_number);
JumpToPageNumber.Text = "" + page_number;
JumpToPageNumber.SelectAll();
}
catch (Exception ex)
{
Logging.Error(ex, "Error jumping to manual page number '{0}'.", JumpToPageNumber.Text);
}
}
