GetRateList

Description

Returns the array of floating point values containing the frame rates available for the current video mode.


Syntax

[VB]
Value=objActiveDcam.GetRateList()

[C/C++]
HRESULT GetRateList( VARIANT* pList );


Data Types [VB]

Return value: Variant (SAFEARRAY)


Parameters [C/C++]

pList [out,retval]

Pointer to the SAFEARRAY containing available frame rates

Return Values

S_OK

Success

E_FAIL

Failure.

Example

This VB example initializes a combo box with the available frame rates and uses it to select a specific rate:

Private Sub Form_Load()
RateLst = ActiveDcam1.GetRateList
For i = 0 To UBound(RateLst)
Combo1.AddItem (RateLst(i))
Next
Combo1.ListIndex = 0
ActiveDcam1.Acquire = True
End Sub

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

Remarks

DCAM compliant cameras support the following predefined frame rates: 1.875 fps, 3.75 fps, 7.5 fps, 15 fps, 30 fps, 60 fps. Additional frame rates can be provided by the camera manufacturer. See Rate for more details.