1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3 4<head> 5<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 6<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 8.0.2.0 for Windows"> 7<META http-equiv="Content-Style-Type" content="text/css"> 8<title>WM_IsExistAllowedChannel</title> 9<LINK rel="stylesheet" href="../../css/nitro.css" type="text/css"> 10</head> 11 12<body> 13 14<h1 align="left">WM_IsExistAllowedChannel <img src="../../image/NTR.gif"><img src="../../image/TWL.gif"></H1> 15<h2>Syntax</h2> 16<dl> 17 <dd><PRE><CODE>#include <nitro/wm.h> 18 19BOOL WM_IsExistAllowedChannel( void ); 20</CODE></PRE></dd> 21</dl> 22 23<h2>Arguments</h2> 24<p>None.</p> 25 26<h2>Return Values</h2> 27<p> 28Returns TRUE if at least one wireless channel exists that can be used.<br />Returns FALSE if use is prohibited for all wireless channels. 29</p> 30 31<H2>Description</H2> 32<P> 33Checks whether a channel exists that can be used for wireless communications.<br />This function can be executed even before initialization, and regardless of the WM state. 34</P> 35 36<h2>Note</h2> 37<p> 38If this function returns FALSE, that means there are no usable channels and <font color="red">wireless communications are not possible.</font>Be aware that FALSE can sometimes be returned when a unit is being used in a special environment where wireless communications are prohibited. 39</p> 40 41<h2>See Also</h2> 42<p><CODE><A href="WM_GetAllowedChannel.html">WM_GetAllowedChannel</A></CODE></p> 43 44<H2>Revision History</H2> 45<P> 462004/12/21 Initial version. 47</P> 48<hr><p>CONFIDENTIAL</p></body> 49</html> 50