GammaControl
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Description

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

-1 - Off  
   The gamma control is disabled  
0 - Manual  
The gamma level is controlled by the value of the Gamma property  
1 - Auto  
The camera controls the gamma level by itself continuously  
2 - One push  
The camera sets the optimal gamma level by itself and returns to the manual mode  


Syntax


[VB]
objActiveDcam.GammaControl [= Value]


[C/C++]
HRESULT get_GammaControl( short *pGammaControl );
HRESULT put_GammaControl( short GammaControl );



Data Type
[VB]

Integer

Parameters
[C/C++]

pGammaControl [out, retval]  
Pointer to the current gamma control mode  
GammaControl [in]  
The gamma control mode to be set  

Return Values


S_OK  
Success  
E_FAIL  
The gamma 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 gamma control.

Private Sub
 Check1_Click()
If
 Check1.Value = 1 
Then

ActiveDcam1.GammaControl = 1
Else

ActiveDcam1.GammaControl = 0
End If

End Sub

 

Remarks


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