RegisterWaitChainCOMCallback function (wct.h)

Article
02/22/2024

Syntax

void RegisterWaitChainCOMCallback(
  [in] PCOGETCALLSTATE       CallStateCallback,
  [in] PCOGETACTIVATIONSTATE ActivationStateCallback
);

Parameters

[in] CallStateCallback

The address of the CoGetCallState function.

[in] ActivationStateCallback

The address of the CoGetActivationState function.

Return value

None

Remarks

If a thread is blocked on a COM call, WCT can retrieve COM ownership information using these callback functions. If this function is callback multiple times, only the last addresses retrieved are used.

Examples

For an example, see Using WCT.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Target Platform	Windows
Header	wct.h
Library	Advapi32.lib
DLL	Advapi32.dll

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