FocusControl

Description

Returns or sets the focus control mode. The values from -1 to 2 correspond to the following modes:

-1 - Off

The focus control is disabled

0 - Manual

The focus level is controlled by the value of the Focus property

1 - Auto

The camera controls the focus level by itself continuously

2 - One push

The camera sets the optimal focus level by itself and returns to the manual mode

Syntax

[VB]
objActiveDcam.FocusControl [= Value]

[C/C++]
HRESULT get_FocusControl( short *pFocusControl );
HRESULT put_FocusControl( short FocusControl );


Data Type [VB]

Integer

Parameters [C/C++]

pFocusControl [out, retval]

Pointer to the current focus control mode

FocusControl [in]

The focus control mode to be set

Return Values

S_OK

Success

E_FAIL

The focus control is not available for the selected camera

Example

The following VB example demonstrates the use of a checkbox to switch between the manual and automatic focus control.

Private Sub Check1_Click()
If Check1.Value = 1 Then
ActiveDcam1.FocusControl = 1
Else
ActiveDcam1.FocusControl = 0
End If
End Sub

Remarks

The property is available only if the currently selected camera supports automatic focus control.