EquationNode.RemoveChild

RemoveChild(EquationNode)

Removes the specified node from the current node’s children.

public void RemoveChild(EquationNode node)
ParameterTypeDescription
nodeEquationNodeNode to be deleted.

Examples

namespace AsposeCellsExamples
{
    using Aspose.Cells;
    using Aspose.Cells.Drawing.Equations;
    using System;

    public class EquationNodeMethodRemoveChildWithEquationNodeDemo
    {
        public static void Run()
        {
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];

            try
            {
                // Create a parent equation node
                EquationNode parentNode = EquationNode.CreateNode(EquationNodeType.Function, workbook, null);

                // Add two child nodes
                EquationNode child1 = parentNode.AddChild(EquationNodeType.Base);
                EquationNode child2 = parentNode.AddChild(EquationNodeType.Limit);

                // Verify children exist
                Console.WriteLine($"Parent has {(parentNode.GetChild(0) != null ? "first" : "no first")} child");
                Console.WriteLine($"Parent has {(parentNode.GetChild(1) != null ? "second" : "no second")} child");

                // Remove the second child node by reference
                parentNode.RemoveChild(child2);

                Console.WriteLine("Second child node removed successfully");

                // Verify removal
                Console.WriteLine($"Parent now has {(parentNode.GetChild(0) != null ? "first" : "no first")} child");
                Console.WriteLine($"Parent now has {(parentNode.GetChild(1) != null ? "second" : "no second")} child");

                workbook.Save("EquationNodeRemoveChildDemo.xlsx");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error: {ex.Message}");
            }
        }
    }
}

See Also

RemoveChild(int)

Removes the node at the specified index from the current node’s children.

public void RemoveChild(int index)
ParameterTypeDescription
indexInt32Index of the node

Examples

namespace AsposeCellsExamples
{
    using Aspose.Cells;
    using Aspose.Cells.Drawing.Equations;
    using System;

    public class EquationNodeMethodRemoveChildWithInt32Demo
    {
        public static void Run()
        {
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];

            // Create a parent equation node
            EquationNode parentNode = EquationNode.CreateNode(EquationNodeType.Function, workbook, null);
            
            // Add child nodes
            EquationNode child1 = parentNode.AddChild(EquationNodeType.Base);
            EquationNode child2 = parentNode.AddChild(EquationNodeType.Limit);
            EquationNode child3 = parentNode.AddChild(EquationNodeType.Matrix);

            try
            {
                // Remove child at index 1 (second child)
                parentNode.RemoveChild(1);
                
                Console.WriteLine("Child at index 1 removed successfully");
                
                // Verify removal by checking remaining children
                EquationNode remainingChild = parentNode.GetChild(0);
                Console.WriteLine($"First remaining child type: {remainingChild.EquationType}");
                
                // Attempt to get removed child (should throw)
                try
                {
                    var removedChild = parentNode.GetChild(1);
                }
                catch (Exception ex)
                {
                    Console.WriteLine($"Expected error when accessing removed child: {ex.Message}");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"Error executing RemoveChild method: {ex.Message}");
            }
            
            workbook.Save("EquationNodeRemoveChildWithInt32Demo.xlsx");
        }
    }
}

See Also