Protection

Protection — Aspose.Slides FOSS for .NET API Reference

Protection in Aspose.Slides FOSS for .NET is managed through shape lock classes that control which editing operations are restricted on individual shapes.

Package: Aspose.Slides.Foss (net9.0)

using Aspose.Slides.Foss;

ConnectorLock

Accessed via Connector.ConnectorLock. Controls editing restrictions on connector shapes.

public class ConnectorLock : BaseShapeLock, IConnectorLock

PictureFrameLock

Accessed via PictureFrame.PictureFrameLock. Controls editing restrictions on picture frames.

public class PictureFrameLock : BaseShapeLock, IPictureFrameLock

Properties

Property	Type	Access	Description
`GroupingLocked`	`bool`	Read	Prevent grouping.
`SelectLocked`	`bool`	Read	Prevent selection.
`RotationLocked`	`bool`	Read	Prevent rotation.
`AspectRatioLocked`	`bool`	Read	Lock aspect ratio.
`PositionLocked`	`bool`	Read	Prevent repositioning.
`SizeLocked`	`bool`	Read	Prevent resizing.
`EditPointsLocked`	`bool`	Read	Prevent editing geometry points.
`AdjustHandlesLocked`	`bool`	Read	Prevent adjusting handles.
`ArrowheadsLocked`	`bool`	Read	Prevent changing arrowheads.
`ShapeTypeLocked`	`bool`	Read	Prevent changing shape type.
`CropLocked`	`bool`	Read	Prevent cropping.
`NoLocks`	`bool`	Read	Whether no locks are active.

GraphicalObjectLock

Accessed via Table.GraphicalObjectLock and other graphical objects.

public class GraphicalObjectLock : BaseShapeLock, IGraphicalObjectLock

Usage Examples

Check Shape Locks

using Aspose.Slides.Foss;

using var prs = new Presentation("deck.pptx");
foreach (var shape in prs.Slides[0].Shapes)
{
    if (shape is IPictureFrame pf && pf.PictureFrameLock != null)
    {
        Console.WriteLine($"'{shape.Name}' aspect locked: {pf.PictureFrameLock.AspectRatioLocked}");
    }
}