Lock Shapes in PowerPoint PPT in C#

readme.md

Read the complete article on how to lock and unlock shapes in PowerPoint PPT using C#: https://blog.aspose.com/2022/02/11/lock-shapes-in-ppt-in-csharp/

lock-ppt-shapes.cs

// Load presentation
using (Presentation presentation = new Presentation("presentation.pptx"))
{
    // IShape object for holding temporary shapes
    IShape shape;

    // Traverse through all the slides in the presentation
    for (int slideCount = 0; slideCount < presentation.Slides.Count; slideCount++)
    {
        var slide = presentation.Slides[slideCount];

        // Travese through all the shapes in the slides
        for (int count = 0; count < slide.Shapes.Count; count++)
        {
            shape = slide.Shapes[count];

            // If shape is auto shape
            if (shape is IAutoShape)
            {
                // Type cast to auto shape and get auto shape lock
                IAutoShape Ashp = shape as IAutoShape;
                IAutoShapeLock AutoShapeLock = Ashp.ShapeLock;

                // Apply shape locks
                AutoShapeLock.PositionLocked = true;
                AutoShapeLock.SelectLocked = true;
                AutoShapeLock.SizeLocked = true;
            }

            // If shape is group shape
            else if (shape is IGroupShape)
            {
                // Type cast to group shape and get group shape lock
                IGroupShape Group = shape as IGroupShape;
                IGroupShapeLock groupShapeLock = Group.ShapeLock;

                // Apply shape locks
                groupShapeLock.GroupingLocked = true;
                groupShapeLock.PositionLocked = true;
                groupShapeLock.SelectLocked = true;
                groupShapeLock.SizeLocked = true;
            }

            // If shape is a connector
            else if (shape is IConnector)
            {
                // Type cast to connector shape and get connector shape lock
                IConnector Conn = shape as IConnector;
                IConnectorLock ConnLock = Conn.ShapeLock;

                // Apply shape locks
                ConnLock.PositionMove = true;
                ConnLock.SelectLocked = true;
                ConnLock.SizeLocked = true;
            }

            // If shape is picture frame
            else if (shape is IPictureFrame)
            {
                // Type cast to pitcture frame shape and get picture frame shape lock
                IPictureFrame Pic = shape as IPictureFrame;
                IPictureFrameLock PicLock = Pic.ShapeLock;

                // Apply shape locks
                PicLock.PositionLocked = true;
                PicLock.SelectLocked = true;
                PicLock.SizeLocked = true;
            }
        }
    }

    // Save presentation
    presentation.Save("locked-ppt.pptx", SaveFormat.Pptx);
}

unlock-ppt-shapes.cs

// Load presentation
using (Presentation presentation = new Presentation("locked-ppt.ppt"))
{
    // IShape object for holding temporary shapes
    IShape shape;

    // Traverse through all the slides in the presentation
    for (int slideCount = 0; slideCount < presentation.Slides.Count; slideCount++)
    {
        var slide = presentation.Slides[slideCount];

        // Travese through all the shapes in the slides
        for (int count = 0; count < slide.Shapes.Count; count++)
        {
            shape = slide.Shapes[count];

            // If shape is auto shape
            if (shape is IAutoShape)
            {
                // Type cast to auto shape and get auto shape lock
                IAutoShape Ashp = shape as IAutoShape;
                IAutoShapeLock AutoShapeLock = Ashp.ShapeLock;

                // Unlock shape
                AutoShapeLock.PositionLocked = false;
                AutoShapeLock.SelectLocked = false;
                AutoShapeLock.SizeLocked = false;
            }

            // If shape is group shape
            else if (shape is IGroupShape)
            {
                // Type cast to group shape and get group shape lock
                IGroupShape Group = shape as IGroupShape;
                IGroupShapeLock groupShapeLock = Group.ShapeLock;

                // Unlock shape
                groupShapeLock.GroupingLocked = false;
                groupShapeLock.PositionLocked = false;
                groupShapeLock.SelectLocked = false;
                groupShapeLock.SizeLocked = false;
            }

            // If shape is a connector
            else if (shape is IConnector)
            {
                // Type cast to connector shape and get connector shape lock
                IConnector Conn = shape as IConnector;
                IConnectorLock ConnLock = Conn.ShapeLock;

                // Unlock shape
                ConnLock.PositionMove = false;
                ConnLock.SelectLocked = false;
                ConnLock.SizeLocked = false;
            }

            // If shape is picture frame
            else if (shape is IPictureFrame)
            {
                // Type cast to pitcture frame shape and get picture frame shape lock
                IPictureFrame Pic = shape as IPictureFrame;
                IPictureFrameLock PicLock = Pic.ShapeLock;

                // Unlock shape
                PicLock.PositionLocked = false;
                PicLock.SelectLocked = false;
                PicLock.SizeLocked = false;
            }
        }
    }

    // Save presentation
    presentation.Save("unlocked-ppt.ppt", SaveFormat.Ppt);
}