ExposureMode

Description

Returns or sets the operation mode of the exposure (shutter). Can be one of the following values:

"Off"

Disables the exposure and lets the shutter open

"Timed"

Exposure time is set using ExposureTimeRaw, ExposureTimeAbs or ExposureAuto

"TriggerWidth

The camera uses the width of the current Frame or Line trigger signal pulse to control the exposure time.

"TriggerControlled"

The camera uses one or more trigger signals to control the exposure time independently from the Frame or Line triggers. See TriggerSelector for more details

Syntax

[VB]
objActiveGige.ExposureMode [= Value]

[C/C++]
HRESULT get_ExposureMode( bstr *pValue );
HRESULT put_ExposureMode( bstr Value );


Data Type [VB]

String

Parameters [C/C++]

pValue [out, retval]

Pointer to the string specifying the exposure operational mode

Value [in]

The exposure operational mode to be set

Return Values

S_OK

Success

E_NOINTERFACE

The feature is not available for the selected camera

E_INVALIDARG

The value is not part of the enumerated set

E_FAIL

Failure to set the feature value

Example

The following VB example demonstrates the use of a combo box to switch between exposure operational modes.

Private Sub Form_Load()
Lst = ActiveGige1.GetEnumList("ExposureMode")
For i = 0 To UBound(Lst)
Combo1.AddItem (Lst(i))
Next
Combo1.ListIndex = ActiveGige1.ExposureMode
End Sub

Private Sub Combo1_Click()
ActiveGige1.ExposureMode = Combo1.Text
End Sub

Remarks

The property is available only if the currently selected camera supports the ExposureMode feature per GenICam standard.