Form Fields Rotation.cs

private void getFormFieldsToolStripMenuItem_Click(object sender, EventArgs e)
{
	
	PDFXEdit.IPXC_Document SrcDoc = pxcInst.OpenDocumentFromFile("D:\\TestFile.pdf", null);
	PDFXEdit.IPXC_Document DestDoc = pxcInst.OpenDocumentFromFile("D:\\TestFile1.pdf", null);
	PDFXEdit.IPXC_PagesOverlayInfo poi = pxcInst.CreatePagesOverlayInfo();
	//Getting source page
	PDFXEdit.IPXC_Page srcPage = SrcDoc.Pages[0];
	//Getting source page matrix
	PDFXEdit.PXC_Matrix srcPageMatrix = srcPage.GetMatrix(PDFXEdit.PXC_BoxType.PBox_PageBox);
	//Getting source page Page Box without rotation
	PDFXEdit.PXC_Rect srcRect = srcPage.get_Box(PDFXEdit.PXC_BoxType.PBox_PageBox);
	//Getting visual source Page Box by transforming it through matrix
	TransformRect(srcPageMatrix, ref srcRect);
	//Getting destination page
	PDFXEdit.IPXC_Page destPage = DestDoc.Pages[0];
	//Getting destination page matrix
	PDFXEdit.PXC_Matrix destPageMatrix = destPage.GetMatrix(PDFXEdit.PXC_BoxType.PBox_PageBox);
	//Getting destination page Page Box without rotation
	PDFXEdit.PXC_Rect destRect = destPage.get_Box(PDFXEdit.PXC_BoxType.PBox_PageBox);
	//Getting visual destination Page Box by transforming it through matrix
	TransformRect(destPageMatrix, ref destRect);
	//Forming resulting rectangle by indenting from the visual destination rectangle borders
	destRect.bottom += 100;
	destRect.top -= 100;
	destRect.left += 100;
	destRect.right -= 100;
	//We'll insert the visual src page into visual dest page indented rectangle including page rotations and clipping
	PDFXEdit.PXC_Matrix pageToRectMatrix = RectToRectMatrix(srcRect, destRect);
	//For that we invert and multiply matrix
	destPageMatrix = Invert(destPageMatrix);
	pageToRectMatrix = Multiply(pageToRectMatrix, destPageMatrix);
	//Inserting new data into the pages overlay info meaning we insert 0 source page into 0 destination page using the constructed matrix
	poi.InsertNew2(0, 0, ref pageToRectMatrix);
	//Applying overlays for the destination document
	DestDoc.Pages.OverlayPages(SrcDoc, poi);
	//Saving the document
	DestDoc.WriteToFile("D:\\TestFile_res.pdf");
}