ChangeAnnotationScale.cs

private void changeAnnotationScaleToolStripMenuItem_Click(object sender, EventArgs e)
{
	PDFXEdit.IPXC_Annotation annot = pdfCtl.Doc.CoreDoc.Pages[0].GetAnnot(0);
	PDFXEdit.IPXC_AnnotData_Poly PData = (PDFXEdit.IPXC_AnnotData_Poly)annot.Data;
	PDFXEdit.IPXC_MeasureRL measure = (PDFXEdit.IPXC_MeasureRL)PData.Measure;
	//We'll set the scale from 33mm to 11m
	measure.Ratio = "33 mm = 11 m";
	PDFXEdit.IPXC_NumberFormatArray nfa = measure.GetX();
	PDFXEdit.IPXC_NumberFormatItem nfi = nfa.CreateNewItem();
	nfi.FractionType = PDFXEdit.PXC_MeasureFractionType.MFT_AsDecimal;
	nfi.Units = "m";
	//pt 2 unit = 254.0 / 720.0;	// pt to mm
	nfi.Coefficient = 11.0 * (254.0 / 720.0) / 33;
	nfi.Precision = 100;
	nfi.ThousandSep = " ";
	nfi.DecimalSep = ",";
	nfi.NoReduceFraction = false;
	nfi.UnitsPrefix = " ";
	nfi.UnitsSuffix = " ";
	nfa.Clear();
	nfa.Insert(nfi, 0);
	
	int nID = pdfCtl.Inst.Str2ID("op.annot.setData", false);
	PDFXEdit.IOperation Op = pdfCtl.Inst.CreateOp(nID);
	PDFXEdit.ICabNode input = Op.Params.Root["Input"];
	input.Add().v = annot;
	PDFXEdit.ICabNode options = Op.Params.Root["Options"];
	options["NewData"].v = PData;
	Op.Do();
}