BOOL IMsoComponentManager.FRegisterComponent(
IMsoComponent component,
MSOCRINFO *pcrinfo,
UIntPtr *pdwComponentID)
{
if (pcrinfo == null || pdwComponentID == null ||
pcrinfo->cbSize < sizeof(MSOCRINFO))
{
return(BOOL.FALSE);
}
// Construct Hashtable entry for this component
ComponentHashtableEntry entry = new ComponentHashtableEntry
{
component = component,
componentInfo = *pcrinfo
};
_cookieCounter += 1;
OleComponents.Add(_cookieCounter, entry);
// Return the cookie
*pdwComponentID = _cookieCounter;
Debug.WriteLineIf(CompModSwitches.MSOComponentManager.TraceInfo, $"ComponentManager: Component registered. ID: {_cookieCounter}");
return(BOOL.TRUE);
}
BOOL IMsoComponentManager.FUpdateComponentRegistration(
UIntPtr dwComponentID,
MSOCRINFO *pcrinfo)
{
// Update the registration info
if (pcrinfo == null ||
!OleComponents.TryGetValue(dwComponentID, out ComponentHashtableEntry entry))
{
return(BOOL.FALSE);
}
entry.componentInfo = *pcrinfo;
OleComponents[dwComponentID] = entry;
return(BOOL.TRUE);
}
BOOL IMsoComponentManager.FGetActiveComponent(
msogac dwgac,
void **ppic,
MSOCRINFO *pcrinfo,
uint dwReserved)
{
IMsoComponent component = dwgac switch
{
msogac.Active => _activeComponent,
msogac.Tracking => _trackingComponent,
msogac.TrackingOrActive => _trackingComponent ?? _activeComponent,
_ => null
};
if (component == null)
{
return(BOOL.FALSE);
}
if (pcrinfo != null)
{
if (pcrinfo->cbSize < sizeof(MSOCRINFO))
{
return(BOOL.FALSE);
}
foreach (ComponentHashtableEntry entry in OleComponents.Values)
{
if (entry.component == component)
{
*pcrinfo = entry.componentInfo;
break;
}
}
}
if (ppic != null)
{
// This will addref the interface
*ppic = (void *)Marshal.GetComInterfaceForObject <IMsoComponent, IMsoComponent>(component);
}
return(BOOL.TRUE);
}
}
