Generate PowerPoint presentations in .NET

using NetCorePpt;
using NetCorePpt.CoreInterfaces;
using NetCorePpt.CoreEnums;

var pres = new PptxGen();
var slide = pres.addSlide();

var qtrs = new List<List<string>> {
    new List<string> { "Q1", "Q2", "Q3", "Q4" } };

var data = new List<OptsChartData> {
    new OptsChartData { name = "2025", labels = qtrs,
        values = new List<double?> { 42, 55, 38, 61 } },
    new OptsChartData { name = "2026", labels = qtrs,
        values = new List<double?> { 48, 60, 44, 70 } }
};

slide.addChart(ChartType.bar, data, new ChartOpts {
    x = 1.0, y = 2.0, w = 8.0, h = 4.5,
    showValue = true,
    chartColors = new List<string> { "6D28D9", "14B8A6" }
});

await pres.exportToFile("chart.pptx");

var head = new TableCellProps {
    bold = true, fill = "6D28D9", color = "FFFFFF"
};

var rows = new List<List<TableCell>> {
    new List<TableCell> {
        new TableCell { text = "Product", options = head },
        new TableCell { text = "Units",   options = head },
        new TableCell { text = "Revenue", options = head }
    },
    new List<TableCell> { "Widget A", "1,240", "$31,000" },
    new List<TableCell> { "Widget B", "980",   "$24,500" }
};

slide.addTable(rows, new TableProps {
    x = 1.0, y = 2.0, w = 8.0, rowH = 0.45,
    fill = "F8FAFC", fontSize = 14, color = "334155",
    border = new BorderProps("E2E8F0", null, 1)
});

await pres.exportToFile("table.pptx");