Al_getbufferdonehandlermsg – Measurement Computing ADLIB WIN User Manual

Page 131

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Chapter 40 Buffer Handler Functions

27-11

27.10 AL_GetBufferDoneHandlerMsg

Prototype

C\C++

ERRNUM

AL_GetBufferDoneHandlerMsg(LHLD

lhld, LPWORD lpwordHwnd,

LPWORD lpwordMsg);


Visual Basic for Windows

Function

AL_GetBufferDoneHandlerMsg(ByVal

lhld As Long,

lpwordHwnd As Integer,

lpwordMsg As Integer) As Long


LHLD lhld

handle of the LDSD

LPWORD

lpwordHwnddestination address for the window handle

LPWORD

lpwordMsgdestination address for the window message ID


The AL_GetBufferDoneHandlerMsg function returns the current buffer done message handler window
handle and message ID of the LDSD.

Parameter

Description

lhld

Identifies the instance of the logical device subsystem.


lpwordHwnd

Points to the destination address for window handle.


lpwordMsg

Points to the destination address for posting message ID.


Returns:
On success ERRNUM is set to 1, lpwordHwnd is set to the LDSD done buffer window identifier and
lpwordMsg points to the message ID number. Otherwise ERRNUM contains the last error code that
occurred during the call.

Related Functions:
AL_SetBufferDoneHandlerMsg

Supported Logical Device Subsystems:
Pci55xx Series: ADC0, DAC0, DAC1

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