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THORLABS DCU22 Series User Manual

THORLABS DCU22 Series
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319SDK (Software development Kit)
© 2010 Thorlabs
7.5.2
is_EnableDDOverlay
USB 2.0
-
Syntax
INT is_EnableDDOverlay (HIDS hCam)
Description
This function is obsolete and should not be used anymore. We recommend to use the
is_DirectRenderer() function instead (see also Obsolete Functions ).
In DirectDraw BackBuffer mode, is_EnableDDOverlay() enables live overlay mode. The overlay
cannot be displayed directly, but needs to be visualised before by calling is_ShowDDOverlay() .
The overlay uses black as the so-called key colour, so that overlay graphics may not contain any
black colour.
Input Parameters
hCam
Camera handle
Return Values
IS_SUCCESS
Function executed successfully
IS_NO_SUCCESS
General error message
Related Functions
is_SetDisplayMode()
is_DisableDDOverlay()
is_ShowDDOverlay()
is_HideDDOverlay()
is_GetDDOvlSurface()
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THORLABS DCU22 Series Specifications

General IconGeneral
BrandTHORLABS
ModelDCU22 Series
CategorySecurity Camera
LanguageEnglish

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