Complete Examples

Creating an Invoice Document

public void GenerateInvoice()
{
    // Create document
    using (CDocument document = new CDocument())
    {
        // Create A4 page
        CPage page = document.CreatePage(595, 842);
        
        // Create page container
        CDiv container = page.CreateDiv();
        container.SetPadding(40);
        
        // Create title style
        CStyle titleStyle = document.CreateStyle();
        titleStyle.SetFontSize(24);
        titleStyle.SetFontWeight(CFontWeight.Bold);
        titleStyle.SetMarginBottom(20);
        titleStyle.SetTextAlignment(CTextAlignment.Center);
        
        // Add title
        CText title = container.CreateText("Sales Invoice");
        title.AddStyle(titleStyle);
        
        // Add invoice information
        CDiv infoSection = container.CreateDiv();
        infoSection.SetMarginBottom(20);
        
        CParagraph invoiceNo = infoSection.CreateParagraph("Invoice No: INV-2024-001");
        invoiceNo.SetFontSize(12);
        
        CParagraph date = infoSection.CreateParagraph("Date: 2024-01-15");
        date.SetFontSize(12);
        
        // Create product table
        CTable table = container.CreateTable(4);
        table.UseAllAvailableWidth();
        table.SetMarginBottom(20);
        
        // Table header
        table.StartNewHeaderRow();
        table.CreateHeaderCell().CreateText("Product Name");
        table.CreateHeaderCell().CreateText("Quantity");
        table.CreateHeaderCell().CreateText("Unit Price");
        table.CreateHeaderCell().CreateText("Amount");
        
        // Table data
        string[] products = { "Product A", "Product B", "Product C" };
        int[] quantities = { 2, 5, 3 };
        decimal[] prices = { 100m, 50m, 75m };
        
        for (int i = 0; i < products.Length; i++)
        {
            table.StartNewRow();
            table.CreateCell().CreateText(products[i]);
            table.CreateCell().CreateText(quantities[i].ToString());
            table.CreateCell().CreateText($"${prices[i]}");
            table.CreateCell().CreateText($"${quantities[i] * prices[i]}");
        }
        
        // Calculate total
        decimal total = 0;
        for (int i = 0; i < products.Length; i++)
        {
            total += quantities[i] * prices[i];
        }
        
        // Table footer - Total
        table.StartNewFooterRow();
        CCell totalLabelCell = table.CreateFooterCell(colspan: 3);
        totalLabelCell.CreateText("Total");
        totalLabelCell.SetTextAlignment(CTextAlignment.Right);
        totalLabelCell.SetFontWeight(CFontWeight.Bold);
        
        CCell totalAmountCell = table.CreateFooterCell();
        totalAmountCell.CreateText($"${total}");
        totalAmountCell.SetFontWeight(CFontWeight.Bold);
        
        // Add notes
        CParagraph notes = container.CreateParagraph("Note: Payment due within 30 days.");
        notes.SetFontSize(10);
        notes.SetFontColor(new CColor(100, 100, 100, 255));
        
        // Save document
        document.SaveToFile("invoice.pdf");
    }
}

Creating a Report Document

public void GenerateReport()
{
    using (CDocument document = new CDocument())
    {
        CPage page = document.CreatePage(595, 842);
        CDiv container = page.CreateDiv();
        container.SetPadding(50);
        
        // Title
        CText title = container.CreateText("Annual Report");
        title.SetFontSize(28);
        title.SetFontWeight(CFontWeight.Bold);
        title.SetTextAlignment(CTextAlignment.Center);
        
        // Add section
        AddSection(container, "1. Overview", 
            "This report outlines the company's major achievements and development direction over the past year...");
        
        // Add chart
        CDiv chartSection = container.CreateDiv();
        chartSection.SetMarginTop(20);
        chartSection.SetMarginBottom(20);
        
        CText chartTitle = chartSection.CreateText("2. Sales Data");
        chartTitle.SetFontSize(18);
        chartTitle.SetFontWeight(CFontWeight.Bold);
        
        CImage chart = chartSection.CreateImage("path/to/chart.png");
        chart.SetWidth(400);
        chart.SetHeight(300);
        chart.SetHorizontalAlignment(CHorizontalAlignment.Center);
        
        // Add key metrics list
        CText metricsTitle = container.CreateText("3. Key Metrics");
        metricsTitle.SetFontSize(18);
        metricsTitle.SetFontWeight(CFontWeight.Bold);
        
        CList metricsList = container.CreateList();
        metricsList.SetListSymbol(CListSymbolType.Disc);
        metricsList.CreateListItem("Annual revenue growth: 25%");
        metricsList.CreateListItem("Customer satisfaction: 92%");
        metricsList.CreateListItem("Market share increase: 3%");
        
        document.SaveToFile("report.pdf");
    }
}

private void AddSection(CDiv container, string heading, string content)
{
    CParagraph headingPara = container.CreateParagraph(heading);
    headingPara.SetFontSize(18);
    headingPara.SetFontWeight(CFontWeight.Bold);
    headingPara.SetMarginTop(20);
    headingPara.SetMarginBottom(10);
    
    CParagraph contentPara = container.CreateParagraph(content);
    contentPara.SetFontSize(12);
    contentPara.SetTextAlignment(CTextAlignment.Justify);
    contentPara.SetMultipliedLeading(1.5f);
}