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Assembly Manipulation and C# / VB.NET Code Injection

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26 Apr 2013MIT5 min read 921.5K   25K   486  
Reflexil is an assembly editor and runs as a plug-in for Reflector or JustDecompile. Reflexil is able to manipulate IL code and save the modified assemblies to disk. Reflexil also supports "on-the-fly" C#/VB.NET code injection.
/*
    Reflexil .NET assembly editor.
    Copyright (C) 2007 Sebastien LEBRETON

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#region " Imports "
using System;
using System.Windows.Forms;
using Mono.Cecil;
using Reflexil.Forms;
#endregion

namespace Reflexil.Editors
{
    public partial class ParameterGridControl : BaseParameterGridControl
    {

        #region " Methods "
        public ParameterGridControl()
        {
            InitializeComponent();
        }

        protected override void GridContextMenuStrip_Opened(object sender, EventArgs e)
        {
            MenCreate.Enabled = (!ReadOnly) && (MethodDefinition != null);
            MenEdit.Enabled = (!ReadOnly) && (FirstSelectedItem != null);
            MenDelete.Enabled = (!ReadOnly) && (SelectedItems.Length > 0);
            MenDeleteAll.Enabled = (!ReadOnly) && (MethodDefinition != null);
        }

        protected override void MenCreate_Click(object sender, EventArgs e)
        {
            using (CreateParameterForm createForm = new CreateParameterForm())
            {
                if (createForm.ShowDialog(MethodDefinition, FirstSelectedItem) == DialogResult.OK)
                {
                    RaiseGridUpdated();
                }
            }
        }

        protected override void MenEdit_Click(object sender, EventArgs e)
        {
            using (EditParameterForm editForm = new EditParameterForm())
            {
                if (editForm.ShowDialog(MethodDefinition, FirstSelectedItem) == DialogResult.OK)
                {
                    RaiseGridUpdated();
                }
            }
        }

        protected override void MenDelete_Click(object sender, EventArgs e)
        {
            foreach (ParameterDefinition var in SelectedItems)
            {
                MethodDefinition.Parameters.Remove(var);
            }
            RaiseGridUpdated();
        }

        protected override void MenDeleteAll_Click(object sender, EventArgs e)
        {
            MethodDefinition.Parameters.Clear();
            RaiseGridUpdated();
        }

        protected override void DoDragDrop(object sender, System.Windows.Forms.DataGridViewRow sourceRow, System.Windows.Forms.DataGridViewRow targetRow, System.Windows.Forms.DragEventArgs e)
        {
            ParameterDefinition sourceExc = sourceRow.DataBoundItem as ParameterDefinition;
            ParameterDefinition targetExc = targetRow.DataBoundItem as ParameterDefinition;

            if (sourceExc != targetExc)
            {
                MethodDefinition.Parameters.Remove(sourceExc);
                MethodDefinition.Parameters.Insert(targetRow.Index, sourceExc);
                RaiseGridUpdated();
            }
        }

        public override void Bind(MethodDefinition mdef)
        {
            base.Bind(mdef);
            if (mdef != null)
            {
                BindingSource.DataSource = mdef.Parameters;
            }
            else
            {
                BindingSource.DataSource = null;
            }
        }
        #endregion

    }

    #region " VS Designer generic support "
    public class BaseParameterGridControl : Reflexil.Editors.GridControl<ParameterDefinition>
    {
    }
    #endregion
}

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License

This article, along with any associated source code and files, is licensed under The MIT License


Written By
Software Developer (Senior) Microsoft
United States United States
Sebastien Lebreton is a Software Engineer at Microsoft.

He is particularly interested in optimization, reverse engineering and distributed objects technologies.

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