System.Data.SQLite

Check-in [e2413cdd97]
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Overview
Comment:Permit the default ADO.NET provider name used by the design-time components to be overridden via the environment.
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SHA1: e2413cdd97eabb69c3ff2bd643216f2e9e444892
User & Date: mistachkin 2014-08-01 17:13:30.839
Context
2014-08-01
18:19
Initially, disable the provider_Changed event in the connection properties user-interface. check-in: 2154db970d user: mistachkin tags: designOptions
17:13
Permit the default ADO.NET provider name used by the design-time components to be overridden via the environment. check-in: e2413cdd97 user: mistachkin tags: designOptions
04:32
Make sure the EF6 provider name is only available for .NET 4.0 and later. check-in: 1e2ed0931a user: mistachkin tags: designOptions
Changes
Unified Diff Ignore Whitespace Patch
Changes to SQLite.Designer/SQLiteOptions.cs.
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        /// 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 key.
        /// </summary>
        private static readonly string DefaultProviderName = "System.Data.SQLite";









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        /// 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 name of the environment variable that will be checked
        /// prior to setting the initial default value for the configured
        /// ADO.NET provider name, thus allowing the default value to be
        /// overridden via the environment.
        /// </summary>
        private static readonly string ProviderNameEnvVarName =
            "ProviderName_SQLiteDesigner";

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

        /// <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 key.
        /// </summary>
        private static readonly string DefaultProviderName = "System.Data.SQLite";
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            lock (syncRoot)
            {
                if (options != null)
                    options.Clear();
                else
                    options = new Dictionary<string, string>();








                options[ProviderNameKey] = DefaultProviderName;
            }
        }
        #endregion

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

        #region Public Static Methods








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            lock (syncRoot)
            {
                if (options != null)
                    options.Clear();
                else
                    options = new Dictionary<string, string>();

                string key = ProviderNameKey;
                string value = Environment.GetEnvironmentVariable(
                    ProviderNameEnvVarName);

                if (IsValidValue(key, value))
                    options[key] = value;
                else
                    options[key] = DefaultProviderName;
            }
        }
        #endregion

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

        #region Public Static Methods
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