System.Data.SQLite
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Overview
Comment:Initial support for loading/saving options in the design-time components.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | designOptions
Files: files | file ages | folders
SHA1: b26261e0900273bb0c8e3fdd3dfb38cf723a8bd8
User & Date: mistachkin 2014-08-01 03:12:37
Context
2014-08-01
03:30
Revise method names introduced in the previous check-in. Call the SQLiteOptions class from all the appropriate places. check-in: 015eca543d user: mistachkin tags: designOptions
03:12
Initial support for loading/saving options in the design-time components. check-in: b26261e090 user: mistachkin tags: designOptions
2014-07-31
22:36
Update Entity Framework in externals to the 6.1.1 release. check-in: d41090f6e0 user: mistachkin tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to SQLite.Designer/Editors/ViewDesignerDoc.cs. 

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      try
      {
        _typeQB = SQLiteDataAdapterToolboxItem._vsdesigner.GetType("Microsoft.VSDesigner.Data.Design.QueryBuilderControl");

        if (_typeQB != null)
        {
          _queryDesigner = Activator.CreateInstance(_typeQB) as UserControl;

          _typeQB.InvokeMember("Provider", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.SetProperty | System.Reflection.BindingFlags.NonPublic, null, _queryDesigner, new object[] { "System.Data.SQLite" });
          _typeQB.InvokeMember("ConnectionString", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.SetProperty | System.Reflection.BindingFlags.NonPublic, null, _queryDesigner, new object[] { _connection.ConnectionSupport.ConnectionString });
          _typeQB.InvokeMember("EnableMorphing", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.SetProperty | System.Reflection.BindingFlags.NonPublic, null, _queryDesigner, new object[] { false });
          Controls.Add(_queryDesigner);
          _queryDesigner.Dock = DockStyle.Fill;
          _queryDesigner.Visible = true;
        }








>








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      try
      {
        _typeQB = SQLiteDataAdapterToolboxItem._vsdesigner.GetType("Microsoft.VSDesigner.Data.Design.QueryBuilderControl");

        if (_typeQB != null)
        {
          _queryDesigner = Activator.CreateInstance(_typeQB) as UserControl;
          // TODO: Fix me.
          _typeQB.InvokeMember("Provider", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.SetProperty | System.Reflection.BindingFlags.NonPublic, null, _queryDesigner, new object[] { "System.Data.SQLite" });
          _typeQB.InvokeMember("ConnectionString", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.SetProperty | System.Reflection.BindingFlags.NonPublic, null, _queryDesigner, new object[] { _connection.ConnectionSupport.ConnectionString });
          _typeQB.InvokeMember("EnableMorphing", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.SetProperty | System.Reflection.BindingFlags.NonPublic, null, _queryDesigner, new object[] { false });
          Controls.Add(_queryDesigner);
          _queryDesigner.Dock = DockStyle.Fill;
          _queryDesigner.Visible = true;
        }

Changes to SQLite.Designer/SQLite.Designer.2005.csproj. 

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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />

    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>








>








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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />
    <Compile Include="SQLiteOptions.cs" />
    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>

Changes to SQLite.Designer/SQLite.Designer.2008.csproj. 

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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />

    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>








>








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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />
    <Compile Include="SQLiteOptions.cs" />
    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>

Changes to SQLite.Designer/SQLite.Designer.2010.csproj. 

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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />

    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>








>








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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />
    <Compile Include="SQLiteOptions.cs" />
    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>

Changes to SQLite.Designer/SQLite.Designer.2012.csproj. 

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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />

    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>








>








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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />
    <Compile Include="SQLiteOptions.cs" />
    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>

Changes to SQLite.Designer/SQLite.Designer.2013.csproj. 

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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />

    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>








>








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    </Compile>
    <Compile Include="SQLiteDataAdapterToolboxItem.cs" />
    <Compile Include="SQLiteDataConnectionSupport.cs" />
    <Compile Include="SQLiteDataObjectIdentifierResolver.cs" />
    <Compile Include="SQLiteDataObjectSupport.cs" />
    <Compile Include="SQLiteDataSourceInformation.cs" />
    <Compile Include="SQLiteDataViewSupport.cs" />
    <Compile Include="SQLiteOptions.cs" />
    <Compile Include="SQLitePackage.cs" />
    <Compile Include="SQLiteProviderObjectFactory.cs" />
    <Compile Include="TableNameDialog.cs">
      <SubType>Form</SubType>
    </Compile>
    <Compile Include="TableNameDialog.Designer.cs">
      <DependentUpon>TableNameDialog.cs</DependentUpon>

Changes to SQLite.Designer/SQLiteConnectionProperties.cs. 

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  {
    public SQLiteConnectionProperties()
      : this(null)
    {
    }

    public SQLiteConnectionProperties(string connectionString)

      : base("System.Data.SQLite", connectionString)
    {
    }

    public override string[] GetBasicProperties()
    {
      return new string[] { "data source" };








>








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  {
    public SQLiteConnectionProperties()
      : this(null)
    {
    }

    public SQLiteConnectionProperties(string connectionString)
          // TODO: Fix me.
      : base("System.Data.SQLite", connectionString)
    {
    }

    public override string[] GetBasicProperties()
    {
      return new string[] { "data source" };

Changes to SQLite.Designer/SQLiteConnectionStringEditor.cs. 

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        string connectionName;

        for (int n = 0; n < items; n++)
        {
          connectionString = (string)_managerType.InvokeMember("GetConnectionString", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.Public, null, manager, new object[] { n });
          connectionName = (string)_managerType.InvokeMember("GetConnectionName", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.Public, null, manager, new object[] { n });
          dataProvider = (string)_managerType.InvokeMember("GetProvider", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.Public, null, manager, new object[] { n });

          if (String.Compare(dataProvider, "System.Data.SQLite", StringComparison.OrdinalIgnoreCase) == 0)
          {
            node = selector.AddNode(connectionName, connectionString, null);
            
            if (String.Compare(connectionString, connection.ConnectionString, StringComparison.OrdinalIgnoreCase) == 0)
              selector.SelectedNode = node;
          }
        }
        selector.AddNode("<New Connection...>", this, null);
      }
    }
  }
}








>














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        string connectionName;

        for (int n = 0; n < items; n++)
        {
          connectionString = (string)_managerType.InvokeMember("GetConnectionString", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.Public, null, manager, new object[] { n });
          connectionName = (string)_managerType.InvokeMember("GetConnectionName", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.Public, null, manager, new object[] { n });
          dataProvider = (string)_managerType.InvokeMember("GetProvider", BindingFlags.Instance | BindingFlags.InvokeMethod | BindingFlags.Public, null, manager, new object[] { n });
          // TODO: Fix me.
          if (String.Compare(dataProvider, "System.Data.SQLite", StringComparison.OrdinalIgnoreCase) == 0)
          {
            node = selector.AddNode(connectionName, connectionString, null);
            
            if (String.Compare(connectionString, connection.ConnectionString, StringComparison.OrdinalIgnoreCase) == 0)
              selector.SelectedNode = node;
          }
        }
        selector.AddNode("<New Connection...>", this, null);
      }
    }
  }
}

Changes to SQLite.Designer/SQLiteDataAdapterToolboxItem.cs. 

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    /// <summary>
    /// Creates the necessary components associated with this data adapter instance
    /// </summary>
    /// <param name="host">The designer host</param>
    /// <returns>The components created by this toolbox item</returns>
    protected override IComponent[] CreateComponentsCore(IDesignerHost host)
    {

      DbProviderFactory fact = DbProviderFactories.GetFactory("System.Data.SQLite");

      DbDataAdapter dataAdapter = fact.CreateDataAdapter();
      IContainer container = host.Container;
      
      using (DbCommand adapterCommand = fact.CreateCommand())
      {








>








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    /// <summary>
    /// Creates the necessary components associated with this data adapter instance
    /// </summary>
    /// <param name="host">The designer host</param>
    /// <returns>The components created by this toolbox item</returns>
    protected override IComponent[] CreateComponentsCore(IDesignerHost host)
    {
          // TODO: Fix me.
      DbProviderFactory fact = DbProviderFactories.GetFactory("System.Data.SQLite");

      DbDataAdapter dataAdapter = fact.CreateDataAdapter();
      IContainer container = host.Container;
      
      using (DbCommand adapterCommand = fact.CreateCommand())
      {

Changes to SQLite.Designer/SQLiteDataConnectionSupport.cs. 

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  internal sealed class SQLiteDataConnectionSupport : AdoDotNetConnectionSupport
  {
    private SQLiteDataViewSupport _dataViewSupport;
    private SQLiteDataObjectSupport _dataObjectSupport;
    private SQLiteDataObjectIdentifierResolver _dataObjectIdentifierResolver;

    public SQLiteDataConnectionSupport()

      : base("System.Data.SQLite")
    {
    }

    protected override DataSourceInformation CreateDataSourceInformation()
    {
      return new SQLiteDataSourceInformation(Site as DataConnection);








>








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  internal sealed class SQLiteDataConnectionSupport : AdoDotNetConnectionSupport
  {
    private SQLiteDataViewSupport _dataViewSupport;
    private SQLiteDataObjectSupport _dataObjectSupport;
    private SQLiteDataObjectIdentifierResolver _dataObjectIdentifierResolver;

    public SQLiteDataConnectionSupport()
          // TODO: Fix me.
      : base("System.Data.SQLite")
    {
    }

    protected override DataSourceInformation CreateDataSourceInformation()
    {
      return new SQLiteDataSourceInformation(Site as DataConnection);

Added SQLite.Designer/SQLiteOptions.cs. 

















































































































































































































































































































































































































































































































































































































































































































































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/********************************************************
 * ADO.NET 2.0 Data Provider for SQLite Version 3.X
 * Written by Joe Mistachkin (joe@mistachkin.com)
 *
 * Released to the public domain, use at your own risk!
 ********************************************************/

using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using Microsoft.VisualStudio.Shell;

namespace SQLite.Designer
{
    /// <summary>
    /// This class keeps track of the options configured on a per-solution file
    /// basis pertaining to the System.Data.SQLite design-time components.
    /// </summary>
    [Guid("5cf5656c-ccbe-4162-8780-0cbee936b90c")]
    internal static class SQLiteOptions
    {
        #region Private Constants
        /// <summary>
        /// This is the name of the setting containing the configured ADO.NET
        /// provider name.
        /// </summary>
        private static readonly string ProviderNameKey = "ProviderName";

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This is the legacy provider name used by the System.Data.SQLite
        /// design-time components.  It is also the default value for the
        /// associated option.
        /// </summary>
        private static readonly string DefaultProviderName = "System.Data.SQLite";

        /// <summary>
        /// This is the provider name used when Entity Framework 6.x support is
        /// required for use with the System.Data.SQLite design-time components.
        /// </summary>
        private static readonly string Ef6ProviderName = "System.Data.SQLite.EF6";
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Private Static Data
        /// <summary>
        /// This is used to synchronize access to the static dictionary of
        /// options (just below).
        /// </summary>
        private static readonly object syncRoot = new object();

        /// <summary>
        /// This dictionary contains the key/value pairs representing the
        /// per-solution options configured for the current solution.
        /// </summary>
        private static Dictionary<string, string> options;
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Private Static Methods
        /// <summary>
        /// This method initializes (or resets) the per-solution configuration
        /// options.
        /// </summary>
        /// <param name="reset">
        /// Non-zero to reset the options if they are already initialized.
        /// When this method is called from the <see cref="SQLitePackage" />
        /// constructor, this value should always be true.
        /// </param>
        private static void Initialize(
            bool reset
            )
        {
            lock (syncRoot)
            {
                if (options != null)
                    options.Clear();
                else
                    options = new Dictionary<string, string>();

                options[ProviderNameKey] = DefaultProviderName;
            }
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Public Static Methods
        #region Hard-Coded Default Value Handling
        /// <summary>
        /// This method determines if the specified key/value pair represents
        /// the default value for that option.
        /// </summary>
        /// <param name="key">
        /// The name ("key") of the configuration option.
        /// </param>
        /// <param name="value">
        /// The value of the configuration option.
        /// </param>
        /// <returns>
        /// Non-zero if the key/value pair represents its default value.
        /// </returns>
        public static bool IsDefaultValue(
            string key,
            string value
            )
        {
            if (String.Equals(
                    key, ProviderNameKey, StringComparison.Ordinal) &&
                String.Equals(
                    value, DefaultProviderName, StringComparison.Ordinal))
            {
                return true;
            }

            return false;
        }

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This method determines if the specified key/value pair is valid
        /// and supported by this class.
        /// </summary>
        /// <param name="key">
        /// The name ("key") of the configuration option.
        /// </param>
        /// <param name="value">
        /// The value of the configuration option.
        /// </param>
        /// <returns>
        /// Non-zero if the key/value pair represents a valid option key and
        /// value supported by this class.
        /// </returns>
        public static bool IsValidValue(
            string key,
            string value
            )
        {
            if (String.Equals(
                    key, ProviderNameKey, StringComparison.Ordinal) &&
                (String.Equals(
                    value, DefaultProviderName, StringComparison.Ordinal) ||
                String.Equals(
                    value, Ef6ProviderName, StringComparison.Ordinal)))
            {
                return true;
            }

            return false;
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Core Option Handling
        /// <summary>
        /// This method returns the current list of option keys supported by
        /// the System.Data.SQLite design-time components.
        /// </summary>
        /// <returns>
        /// An <see cref="IEnumerable{T}" /> of strings containing the list of
        /// option keys supported by the System.Data.SQLite design-time
        /// components -OR- null in the event of any failure.
        /// </returns>
        public static IEnumerable<string> GetOptionKeys(
            bool reset
            )
        {
            lock (syncRoot) /* TRANSACTIONAL */
            {
                Initialize(reset);

                return (options != null) ?
                    new List<string>(options.Keys) : null;
            }
        }

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This method determines if the specified option key is supported by
        /// this class.
        /// </summary>
        /// <param name="key">
        /// The name ("key") of the configuration option.
        /// </param>
        /// <returns>
        /// Non-zero if the specified option key is supported by this class.
        /// </returns>
        public static bool HaveOptionKey(
            string key
            )
        {
            lock (syncRoot)
            {
                if ((key == null) || (options == null))
                    return false;

                return options.ContainsKey(key);
            }
        }

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This method attempts to query and return the current value of the
        /// specified option key.
        /// </summary>
        /// <param name="key">
        /// The name ("key") of the configuration option.
        /// </param>
        /// <param name="value">
        /// Upon success, the current value for the configuration option;
        /// otherwise, null.
        /// </param>
        /// <returns>
        /// Non-zero for success; otherwise, zero.
        /// </returns>
        public static bool GetOptionValue(
            string key,
            out string value
            )
        {
            lock (syncRoot)
            {
                value = null;

                if ((key == null) || (options == null))
                    return false;

                if (options.TryGetValue(key, out value))
                    return true;

                return false;
            }
        }

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This method attempts to set the value of the specified option key.
        /// </summary>
        /// <param name="key">
        /// The name ("key") of the configuration option.
        /// </param>
        /// <param name="value">
        /// The new value for the configuration option.
        /// </param>
        /// <returns>
        /// Non-zero for success; otherwise, zero.
        /// </returns>
        public static bool SetOptionValue(
            string key,
            string value
            )
        {
            lock (syncRoot)
            {
                if ((key == null) || (options == null))
                    return false;

                options[key] = value;
                return true;
            }
        }
        #endregion

        ///////////////////////////////////////////////////////////////////////

        #region Stream Handling
        /// <summary>
        /// This method attempts to read an option value from the specified
        /// stream.  The stream must be readable.  After this method returns,
        /// the stream may no longer be usable.
        /// </summary>
        /// <param name="stream">
        /// The stream to read the option value from.
        /// </param>
        /// <param name="value">
        /// Upon success, the read value for the configuration option;
        /// otherwise, null.
        /// </param>
        /// <returns>
        /// Non-zero for success; otherwise, zero.
        /// </returns>
        public static bool ReadValue(
            Stream stream,
            out string value
            )
        {
            value = null;

            if ((stream == null) || !stream.CanRead)
                return false;

            try
            {
                using (StreamReader streamReader = new StreamReader(stream))
                {
                    value = streamReader.ReadToEnd();
                    return true;
                }
            }
            catch (Exception)
            {
                // do nothing.
            }

            return false;
        }

        ///////////////////////////////////////////////////////////////////////

        /// <summary>
        /// This method attempts to write an option value to the specified
        /// stream.  The stream must be writable.  After this method returns,
        /// the stream may no longer be usable.
        /// </summary>
        /// <param name="stream">
        /// The stream to write the option value to.
        /// </param>
        /// <param name="value">
        /// The option value to be written.  This value may be null.
        /// </param>
        /// <returns>
        /// Non-zero for success; otherwise, zero.
        /// </returns>
        public static bool WriteValue(
            Stream stream,
            string value
            )
        {
            if ((stream == null) || !stream.CanWrite)
                return false;

            try
            {
                using (StreamWriter streamWriter = new StreamWriter(stream))
                {
                    streamWriter.Write(value);
                    return true;
                }
            }
            catch (Exception)
            {
                // do nothing.
            }

            return false;
        }
        #endregion
        #endregion
    }
}

Changes to SQLite.Designer/SQLitePackage.cs. 

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/********************************************************
 * ADO.NET 2.0 Data Provider for SQLite Version 3.X
 * Written by Robert Simpson (robert@blackcastlesoft.com)
 * 
 * Released to the public domain, use at your own risk!
 ********************************************************/

namespace SQLite.Designer
{
  using System;


  using Microsoft.VisualStudio.Shell;
  using System.Runtime.InteropServices;
  using System.ComponentModel.Design;
  using Microsoft.VisualStudio.Shell.Interop;

  /// <summary>
  /// Ideally we'd be a package provider, but the VS Express Editions don't support us, so this class
................................................................................
  /// exists so that in the future we can perhaps work with the Express Editions.
  /// </summary>
  [Guid("DCBE6C8D-0E57-4099-A183-98FF74C64D9C")]
  internal sealed class SQLitePackage : Package
  {
    public SQLitePackage()
    {












    }

    protected override void Initialize()
    {
      IServiceContainer sc = (IServiceContainer)this;
      sc.AddService(typeof(SQLiteProviderObjectFactory), new ServiceCreatorCallback(CreateService), true);

      ToolboxInitialized += new EventHandler(SQLitePackage_ToolboxInitialized);
      ToolboxUpgraded += new EventHandler(SQLitePackage_ToolboxUpgraded);
      base.Initialize();
    }






































    void SQLitePackage_ToolboxUpgraded(object sender, EventArgs e)
    {
      IVsToolbox vstbx = GetService(typeof(SVsToolbox)) as IVsToolbox;

      vstbx.RemoveTab("SQLite");





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/********************************************************
 * ADO.NET 2.0 Data Provider for SQLite Version 3.X
 * Written by Robert Simpson (robert@blackcastlesoft.com)
 *
 * Released to the public domain, use at your own risk!
 ********************************************************/

namespace SQLite.Designer
{
  using System;
  using System.Collections.Generic;
  using System.IO;
  using Microsoft.VisualStudio.Shell;
  using System.Runtime.InteropServices;
  using System.ComponentModel.Design;
  using Microsoft.VisualStudio.Shell.Interop;

  /// <summary>
  /// Ideally we'd be a package provider, but the VS Express Editions don't support us, so this class
................................................................................
  /// exists so that in the future we can perhaps work with the Express Editions.
  /// </summary>
  [Guid("DCBE6C8D-0E57-4099-A183-98FF74C64D9C")]
  internal sealed class SQLitePackage : Package
  {
    public SQLitePackage()
    {
        IEnumerable<string> keys = SQLiteOptions.GetOptionKeys(true);

        if (keys != null)
        {
            foreach (string key in keys)
            {
                if (key == null)
                    continue;

                AddOptionKey(key);
            }
        }
    }

    protected override void Initialize()
    {
      IServiceContainer sc = (IServiceContainer)this;
      sc.AddService(typeof(SQLiteProviderObjectFactory), new ServiceCreatorCallback(CreateService), true);

      ToolboxInitialized += new EventHandler(SQLitePackage_ToolboxInitialized);
      ToolboxUpgraded += new EventHandler(SQLitePackage_ToolboxUpgraded);
      base.Initialize();
    }

    protected override void OnLoadOptions(string key, Stream stream)
    {
        if (SQLiteOptions.HaveOptionKey(key))
        {
            string value;

            if (SQLiteOptions.ReadValue(stream, out value) &&
                SQLiteOptions.IsValidValue(key, value))
            {
                SQLiteOptions.SetOptionValue(key, value);
            }

            return;
        }

        base.OnLoadOptions(key, stream);
    }

    protected override void OnSaveOptions(string key, Stream stream)
    {
        if (SQLiteOptions.HaveOptionKey(key))
        {
            string value;

            if (SQLiteOptions.GetOptionValue(key, out value) &&
                SQLiteOptions.IsValidValue(key, value) &&
                !SQLiteOptions.IsDefaultValue(key, value))
            {
                SQLiteOptions.WriteValue(stream, value);
            }

            return;
        }

        base.OnSaveOptions(key, stream);
    }

    void SQLitePackage_ToolboxUpgraded(object sender, EventArgs e)
    {
      IVsToolbox vstbx = GetService(typeof(SVsToolbox)) as IVsToolbox;

      vstbx.RemoveTab("SQLite");

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