ITcPlcLibraryManager::FreezePlaceholder

Freezes the EffectiveResolution of a placeholder (or, if empty or null, of all placeholders).

Signature

HRESULT FreezePlaceholder([in, defaultvalue(L"")] BSTR bstrPlaceholderName);

Name	Type	Description
bstrPlaceholderName	BSTR	[in, defaultvalue("")] Name of the placeholder (empty/null = all).

Name	Type	Description
(HRESULT)	HRESULT	`S_OK` if successful, otherwise an error code.

DanglingAdapterException: Adapter not connected.
AutomationException(…, E_FAIL): No EffectiveResolution available (Error_PlaceholderNotResoluted_CannotFreeze) or placeholder not found.