Edit SOLIDWORKS macro feature definition

Edit definition allows to modify the parameters of an existing feature. Edit definition is called when Edit Feature command is clicked form the feature manager tree.

Use ISwMacroFeature.Parameters property to read and write the parameters of this macro feature. Set the value to null to revert changes and rollback the feature.

using System.Runtime.InteropServices;
using Xarial.XCad.Features.CustomFeature.Delegates;
using Xarial.XCad.Features.CustomFeature.Structures;
using Xarial.XCad.SolidWorks;
using Xarial.XCad.SolidWorks.Documents;
using Xarial.XCad.SolidWorks.Features.CustomFeature;

namespace Xarial.XCad.Documentation
{
    public class EditMacroFeatureDefinitionParameters
    {
        //add properties
    }

    [ComVisible(true)]
    public class EditMacroFeatureDefinition : SwMacroFeatureDefinition<EditMacroFeatureDefinitionParameters>
    {
        public override CustomFeatureRebuildResult OnRebuild(ISwApplication app, ISwDocument model, 
            ISwMacroFeature<EditMacroFeatureDefinitionParameters> feature, out AlignDimensionDelegate<EditMacroFeatureDefinitionParameters> alignDim)
        {
            alignDim = null;
            return new CustomFeatureRebuildResult() { Result = true };
        }

        public override bool OnEditDefinition(ISwApplication app, ISwDocument model, ISwMacroFeature<EditMacroFeatureDefinitionParameters> feature)
        {
            using (var editor = feature.Edit())
            {
                if (ShowPage(feature.Parameters, out EditMacroFeatureDefinitionParameters newParams))
                {
                    feature.Parameters = newParams;
                    return true;
                }
                else
                {
                    editor.Cancel = true;
                    return false;
                }
            }
        }

        private bool ShowPage(EditMacroFeatureDefinitionParameters parameters, out EditMacroFeatureDefinitionParameters newParameters)
        {
            //Show property page or any other user interface

            newParameters = null;
            return true;
        }
    }
}