void UpdateDialogControls()
{
updateInProgress = true;
checkBoxAutomatic.Checked = printArea.autoPrintArea;
checkBoxFixSizeToPaper.Checked = printArea.restrictToPageSize;
if (printArea.pageWidth > 0 && printArea.pageHeight > 0) {
paperSizeControl.PaperSize = new System.Drawing.Printing.PaperSize("", printArea.pageWidth, printArea.pageHeight);
paperSizeControl.Landscape = printArea.pageLandscape;
paperSizeControl.MarginSize = printArea.pageMargins;
}
updateInProgress = false;
}