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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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rlmeter.h
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1997-10-05
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/**************************************************************************
*
* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
* PURPOSE.
*
* Copyright (C) 1992 - 1997 Microsoft Corporation. All Rights Reserved.
*
**************************************************************************/
/****************************************************************************
*
* rlmeter.h: Audio recording level meter
*
* Vidcap32 Source code
*
***************************************************************************/
/*
* interface definition for rlmeter window class.
*
* This window class acts as a 'VU Meter' showing the current and peak
* volume. Set the volume via the WMRL_SETLEVEL message (lParam is new level).
* The peak level will be tracked by the control by means of a 2-second timer.
*/
// call (if first instance) to register class
BOOL RLMeter_Register(HINSTANCE hInstance);
//create a window of this class
#define RLMETERCLASS "VCRLMeter"
//send this message to set the current level (wParam not used, lParam == level)
#define WMRL_SETLEVEL (WM_USER+1)