internal void LoadHandler(HandlerInfo hi)
{
// create handler assembly object
HandlerAssembly ha = new HandlerAssembly();
// laod the assembly and get handler pieces
ha.Load(hi.Location, hi.Assembly, hi.Param);
// check if we don't have it already
if (!_loadedAssemblies.ContainsKey(ha.Handler.ID))
{
// add it to our collection
_loadedAssemblies[ha.Handler.ID] = ha;
// is it our default?
if (ha.IsDefault)
{
_defaultHandlerAssembly = ha;
}
else
{
// add toolstrip button
AddToolbarButton(ha.Handler.ID, ha.ToolstrupImage, ha.Tooltip);
}
// hook session events
HookEvents(ha.Handler);
// alloc collection to store sessions opened for this handler
_sessions[ha.Handler.ID] = new List <int>(5);
}
else
{
ha.Unload();
}
}
internal void UnloadHandler(Guid hid)
{
// can't unload default handler
if (_loadedAssemblies.ContainsKey(hid) && !_defaultHandlerAssembly.Handler.ID.Equals(hid))
{
HandlerAssembly ha = _loadedAssemblies[hid];
// first, close all sessions for this handler. closing session will modify the sessions list
// as it will delete items from it. so, I'l copy it first
int[] sessions = _sessions[hid].ToArray();
foreach (int sid in sessions)
{
CloseSession(hid, sid);
}
_sessions.Remove(hid);
// remove button
RemoveToolbarButton(hid);
// unhook session events
UnHookEvents(ha.Handler);
// remove from our map
_loadedAssemblies.Remove(hid);
}
}
internal void ReloadHandler(Guid hid)
{
if (_loadedAssemblies.ContainsKey(hid) && !_defaultHandlerAssembly.Handler.ID.Equals(hid))
{
HandlerAssembly ha = _loadedAssemblies[hid];
// unload
UnloadHandler(hid);
// reload
LoadHandler(new HandlerInfo(hid, "", ha.Assembly, ha.LoadParam, true));
}
}