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is_UnlockDDOverlayMem

uEye Camera Manual Version 3.80

is_UnlockDDOverlayMem

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USB 2.0

GigE

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Syntax

INT is_UnlockDDOverlayMem (HIDS hCam)

Description

Achtung

This function is obsolete and should not be used anymore. We recommend to use the is_DirectRenderer() function instead (see also Obsolete Functions).

Using is_UnlockDDOverlayMem(), you can unlock the overlay buffer in DirectDraw BackBuffer mode. This results in an overlay buffer refresh on the screen, provided that the overlay display was enabled using is_ShowDDOverlay().

Input Parameters

hCam

Camera handle

Return Values

IS_SUCCESS

Function executed successfully

IS_NO_SUCCESS

General error message

Recommended Alternative

is_DirectRenderer()

Related Functions

is_LockDDOverlayMem()
is_UnlockDDOverlayMem()
is_LockDDMem()
is_UnlockDDMem()
is_LockSeqBuf()
is_UnlockSeqBuf()
is_UpdateDisplay()

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