GetTriggerInfo

Description

Returns the array of long values containing the information releated to triggering.


Syntax

[VB]
Value=objActiveDcam.GetTriggerInfo()

[C/C++]
HRESULT GetTriggerInfo( VARIANT* pInfo );


Data Types [VB]

Return value: Variant (Array)


Parameters [C/C++]

pInfo [out,retval]

Pointer to the SAFEARRAY containing the following long values in the listed order:

- presense of the trigger feature (1 - available, 0 - unavailable)

- supported Trigger Modes (most significant bit 0 indicates presence of mode 0, bit 1 - mode 1 etc.)

- presense of the trigger polarity control (1 - polarity control is available, 0 - unavailable)

- number of hardware trigger sources (see TriggerSource)

- presence of the software trigger (1 - available, 0 - unavailable)

- presence of the TriggerDelay control (1 - available, 0 - unavailable)

Return Values

S_OK

Success

E_FAIL

Failure.

Example

This VB example retrieves the available trigger modes and initializes a corresponding combo box:

Private Sub Form_Load()
TriggerInfo = ActiveDcam1.GetTriggerInfo
Modes=TriggerInfo(1)
k=1
For i = 0 To 15
if Modes And k then
Combo1.AddItem ("Mode " + cstr(i))
endif
k=k*2
Next
Combo1.ListIndex = 0
End Sub

Private Sub Combo1_Click()
ActiveDcam1.TriggerMode = Combo1.ListIndex
End Sub


Remarks

Use this method to implement custom trigger-related controls.