VCEANCB_GetTriggerStatus

The VCEANCB_GetTriggerStatus function query trigger for status.

VCEANCB_Error VCEANCB_GetTriggerStatus (
  HANDLE hVCEANCB, // Handle to card
  DWORD* pdwCurStatus, // Current status
  DWORD* pdwWasRising, // Was state changed to rising
  DWORD* pdwWasFalling, // Was state changed to falling
);

Parameter:

hVCEANCB

[in] Handle to FrameLink card.

pdwCurStatus

[out] Current state of trigger
0 - Trigger released (No signal, Logic 0)
1 - Trigger pushed (Signal, Logic 1)

pdwWasRising

[out] Was state of trigger changed from Logic 0 to Logic 1 (pushed) since last function call

pdwWasFalling

[out] Was state of trigger chnaged from Logic 1 to Logic 0 (released) since last function call

Return values:

If function succeeds, the return value is VCEANCB_Err_Success.

If function fails, the return value can be one of the following values.

VCEANCB_Err_badArgument

hVCEANCB handle or any of pointers are bad.

See also: