/// <summary>
/// Loads the type specified in the type string.
/// </summary>
/// <param name="relativeAssembly">An assembly to load the type from.</param>
/// <param name="typeName">The name of the type to load.</param>
/// <param name="throwOnError">Flag set to <c>true</c> to throw an exception if the type cannot be loaded.</param>
/// <param name="ignoreCase"><c>true</c> to ignore the case of the type name; otherwise, <c>false</c></param>
/// <returns>The type loaded or <c>null</c> if it could not be loaded.</returns>
/// <remarks>
/// <para>
/// If the type name is fully qualified, i.e. if contains an assembly name in
/// the type name, the type will be loaded from the system using
/// <see cref="Type.GetType(string,bool)"/>.
/// </para>
/// <para>
/// If the type name is not fully qualified it will be loaded from the specified
/// assembly. If the type is not found in the assembly then all the loaded assemblies
/// will be searched for the type.
/// </para>
/// </remarks>
public static Type GetTypeFromString(Assembly relativeAssembly, string typeName, bool throwOnError, bool ignoreCase)
{
// Check if the type name specifies the assembly name
if (typeName.IndexOf(',') == -1)
{
//LogLog.Trace("SystemInfo: Loading type ["+typeName+"] from assembly ["+relativeAssembly.FullName+"]");
#if NETCF
return(relativeAssembly.GetType(typeName, throwOnError));
#else
// Attempt to lookup the type from the relativeAssembly
Type type = relativeAssembly.GetType(typeName, false, ignoreCase);
if (type != null)
{
// Found type in relative assembly
//LogLog.Trace("SystemInfo: Loaded type ["+typeName+"] from assembly ["+relativeAssembly.FullName+"]");
return(type);
}
Assembly[] loadedAssemblies = null;
try
{
loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies();
}
catch (System.Security.SecurityException ex)
{
// Insufficient permissions to get the list of loaded assemblies
LogLog.Warn("Insufficient permissions to get the list of loaded assemblies: " + ex.Message);
}
if (loadedAssemblies != null)
{
// Search the loaded assemblies for the type
foreach (Assembly assembly in loadedAssemblies)
{
type = assembly.GetType(typeName, false, ignoreCase);
if (type != null)
{
// Found type in loaded assembly
LogLog.Trace("SystemInfo: Loaded type [" + typeName + "] from assembly [" + assembly.FullName + "] by searching loaded assemblies.");
return(type);
}
}
}
// Didn't find the type
if (throwOnError)
{
throw new TypeLoadException("Could not load type [" + typeName + "]. Tried assembly [" + relativeAssembly.FullName + "] and all loaded assemblies");
}
return(null);
#endif
}
else
{
// Includes explicit assembly name
//LogLog.Trace("SystemInfo: Loading type ["+typeName+"] from global Type");
#if NETCF
return(Type.GetType(typeName, throwOnError));
#else
return(Type.GetType(typeName, throwOnError, ignoreCase));
#endif
}
}