OLE Object

This article demonstrates embedding a file as an OLE object and updating its data using Aspose.Slides for Node.js via Java.

Add an OLE Object

Embed a PDF file into a presentation.

function addOleObject() {
    let presentation = new aspose.slides.Presentation();
    try {
        let slide = presentation.getSlides().get_Item(0);

        let pdfStream = fs.readFileSync("doc.pdf");
        let pdfData = java.newArray("byte", Array.from(pdfStream));
        let dataInfo = new aspose.slides.OleEmbeddedDataInfo(pdfData, "pdf");
        let oleFrame = slide.getShapes().addOleObjectFrame(20, 20, 50, 50, dataInfo);

        presentation.save("ole_object.pptx", aspose.slides.SaveFormat.Pptx);
    } finally {
        presentation.dispose();
    }
}

Access an OLE Object

Retrieve the first OLE object frame on a slide.

function accessOleObject() {
    let presentation = new aspose.slides.Presentation("ole_object.pptx");
    try {
        let slide = presentation.getSlides().get_Item(0);

        let firstOleFrame = null;
        for (let i = 0; i < slide.getShapes().size(); i++) {
            let shape = slide.getShapes().get_Item(i);
            if (java.instanceOf(shape, "com.aspose.slides.IOleObjectFrame")) {
                firstOleFrame = shape;
                break;
            }
        }
    } finally {
        presentation.dispose();
    }
}

Remove an OLE Object

Delete an embedded OLE object from the slide.

function removeOleObject() {
    let presentation = new aspose.slides.Presentation("ole_object.pptx");
    try {
        let slide = presentation.getSlides().get_Item(0);

        // Assuming the first shape is the OLE object frame.
        let oleFrame = slide.getShapes().get_Item(0);
        
        slide.getShapes().remove(oleFrame);

        presentation.save("ole_object_removed.pptx", aspose.slides.SaveFormat.Pptx);
    } finally {
        presentation.dispose();
    }
}

Update OLE Object Data

Replace the data embedded in an existing OLE object.

function updateOleObject() {
    let presentation = new aspose.slides.Presentation("ole_object.pptx");
    try {
        let slide = presentation.getSlides().get_Item(0);

        // Assuming the first shape is the OLE object frame.
        let oleFrame = slide.getShapes().get_Item(0);

        let dataStream = fs.readFileSync("picture.png");
        let newData = java.newArray("byte", Array.from(dataStream));
        let dataInfo = new aspose.slides.OleEmbeddedDataInfo(newData, "png");
        oleFrame.setEmbeddedData(dataInfo);

        presentation.save("ole_object_updated.pptx", aspose.slides.SaveFormat.Pptx);
    } finally {
        presentation.dispose();
    }
}