GetLevels

Description

Returns the array containing the current levels for the Window/Level operation.


Syntax

[VB]
value = objActiveGige.GetLevels 

[C/C++]
HRESULT SetROI( VARIANT* pLevels );


Data Types [VB]

Return value: Variant (Array)

Parameters [C/C++]

pLevels [out,retval]

Pointer to the SAFEARRAY containing the current levels for the Window/Level operation:

ROI [0] - current minR level

ROI [1] - current maxR level

ROI [2] - current minG level

ROI [3] - current maxG level

ROI [4] - current minB level

ROI [5] - current maxB level

Return Values

S_OK

Success

E_FAIL

Failure.

Example

The following VB example displays the currently selected levels for a monochrome image:

Levels=ActiveGige1.GetLevels
MsgBox "Min: ", Levels[0], "Max: ", Levels[1]


Remarks

For more information on the Window/Level parameters see SetLevels.