How can I add a shape to an existing group?

Aspose.Diagram Product Family
1

How can I add a shape to an existing group ?

2

@zkormos
Please ungroup the group shape first, then add shape to the shape array, and group this array.
Please try this sample code:

        Page page = diagram.Pages[0];
        Shape groupShape = page.Shapes.GetShape(4);
        //Ungroup shapes
        page.Shapes.UnGroup(groupShape);

        //Add to shape list
        Shape[] shapes = new Shape[3];
        for (int _shapeId = 1; _shapeId <= 3; _shapeId++)
        {
            shapes[_shapeId - 1] = page.Shapes.GetShape(_shapeId);
        }
        //Grouping shapes
        page.Shapes.Group(shapes);
3

Unfortunatelly, this solution does not work. In the code bellow, the group2 will contain only the Shape-3

List shapes = new List();
for (int i = 1; i <= 3; i++)
{
long shapeId = page.DrawRectangle(1, i, 1, 1);
Shape shape = page.Shapes.GetShape(shapeId);
shape.Text.Value.Add(new Txt($“Shape-{i}”));
shapes.Add(shape);
}

Aspose.Diagram.Shape[] ss = new Aspose.Diagram.Shape[2]
{
shapes[0],
shapes[1]
};
Shape group1 = page.Shapes.Group(ss);
page.Shapes.UnGroup(group1);

Shape group2 = page.Shapes.Group(shapes.ToArray());

4

@zkormos
Thanks for the sample code.
Please add these lines after ungrouping the shapes.

        Shape group1 = page.Shapes.Group(ss);
        page.Shapes.UnGroup(group1);
       //Add these lines
        var list = new List<Shape>();
        foreach (Shape shape in diagram.Pages[0].Shapes)
        {
            //Add the shapes you want to group
            list.Add(shape);
        }
        Shape group2 = page.Shapes.Group(list.ToArray());
       //end
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