/// <summary>
/// Called from the base class constructor.
/// Various types of addons can be initialized in various ways
/// so Initialize must be overidden in all the Addon derived classes.
/// </summary>
protected override void LoadAddonType()
{
// Determine which of the subtypes must be loaded.
// By convention, all navigation addons must expose a object
// that is derived from NavBaseCtl, and this member is the addon panel.
// This object must be initialized.
foreach (System.Type type in this.AddonAssembly.GetTypes())
{
if (type.IsSubclassOf(typeof(PreviewBaseCtl)) &&
type.FullName == this.AddonTypeName)
{
// Call the panel contructor, via .NET Reflection since we don't
// now exactly its type...
addonPanel = Activator.CreateInstance(type) as PreviewBaseCtl;
// Job done. Addon initialized, so exit.
return;
}
}
// If we're here, the specified addon is not a valid preview addon.
string exception =
$"Failed to load the addon: \"{Name}\".\n\n" +
$"The associated assembly: \"{AssemblyFileName}\" does not seem to be a valid preview addon,\n" +
$"because it does not contain any subclasses of \"{typeof(PreviewBaseCtl)}\".\n\n";
throw new ApplicationException(exception);
}
/// <summary>
/// Called from the base class constructor.
/// Various types of addons can be initialized in various ways
/// so Initialize must be overidden in all the Addon derived classes.
/// </summary>
protected override void LoadAddonType()
{
// Determine which of the subtypes must be loaded.
// By convention, all navigation addons must expose a object
// that is derived from NavBaseCtl, and this member is the addon panel.
// This object must be initialized.
foreach (System.Type type in this.AddonAssembly.GetTypes())
{
if (type.IsSubclassOf(typeof(PreviewBaseCtl)) &&
type.FullName == this.AddonTypeName)
{
// Call the panel contructor, via .NET Reflection since we don't
// now exactly its type...
addonPanel = Activator.CreateInstance(type) as PreviewBaseCtl;
// Job done. Addon initialized, so exit.
return;
}
}
// If we're here, the specified addon is not a valid navigation addon.
string exception =
string.Format("An error occured while loading the addon: \"{0}\".\n\n" +
"The associated assembly: \"{1}\" does not represent a valid property addon,\n" +
"because it does not contain any subclasses of \"{2}\".\n\n" +
"The addon might not be properly registered as an OPMedia Property Addon.",
this.Name, this.AssemblyFileName, typeof(PreviewBaseCtl).ToString());
throw new ApplicationException(exception);
}