private BaseForumControl CreateDynamicForumControl(SharePointForumControls childControl)
{
BaseForumControl control = null;
try
{
string controlTypeName = string.Format("{0}.{1}", ForumConstants.Control_Namespace, childControl.ToString());
Type controlType = Type.GetType(controlTypeName);
control = Activator.CreateInstance(controlType) as BaseForumControl;
control.WebPartParent = this;
}
catch (ArgumentNullException nullEx)
{
AddError(nullEx);
}
return(control);
}
/// <summary>
/// Notifies server controls that use composition-based implementation to create any child
/// controls they contain in preparation for posting back or rendering.
/// This will read in a QueryString called "control" and instantiate a server
/// control with the same name then add that to the Web Parts controls.
///
/// If no QueryString called "control" is found or invalid, we fall back to the
/// basic <see cref="ViewForums"/> which just displays the default forum(s).
/// </summary>
protected override void CreateChildControls()
{
using (Identity.ImpersonateAppPool())
{
SharePointForumControls childControl;
try
{
childControl = (SharePointForumControls)Enum.Parse(typeof(SharePointForumControls), Page.Request.QueryString["control"], true);
}
catch
{
childControl = SharePointForumControls.ViewForums;
}
BaseForumControl control = CreateDynamicForumControl(childControl);
if (control != null)
{
Controls.Add(control);
}
}
}
