📄 openevent.htm
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<td width="100%" height="16">OpenEvent</td>
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<td width="102%" colspan="3">VB声明</td>
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<td width="102%" colspan="3">Declare Function OpenEvent Lib "kernel32" Alias
"OpenEventA" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal
lpName As String) As Long</td>
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<td width="102%" colspan="3">说明</td>
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<td width="102%" colspan="3">为一个现有的命名事件对象创建一个新句柄</td>
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<td width="102%" colspan="3">返回值</td>
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<td width="102%" colspan="3">Long，如执行成功，返回对象的句柄；零表示失败。会设置<a
href="GetLastError.htm">GetLastError</a></td>
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<td width="102%" colspan="3">参数表</td>
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<td width="25%">参数</td>
<td width="77%" colspan="2">类型及说明</td>
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<td width="25%" rowspan="4">dwDesiredAccess</td>
<td width="77%" colspan="2">Long，下述常数之一：</td>
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<td width="37%">EVENT_ALL_ACCESS</td>
<td width="38%">要求对事件对象进行完全访问</td>
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<td width="37%">EVENT_MODIFY_STATE</td>
<td width="38%">允许<a href="SetEvent.htm">SetEvent</a> 和 <a href="ResetEvent.htm">ResetEvent</a>函数</td>
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<td width="37%">SYNCHRONIZE</td>
<td width="38%">允许事件对象的使用同步</td>
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<td width="25%">bInheritHandle</td>
<td width="77%" colspan="2">Long，如希望子进程能够继承句柄，则为TRUE</td>
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<td width="25%">lpName</td>
<td width="77%" colspan="2">String，指定要打开的对象的名字</td>
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<td width="102%" colspan="3">注解</td>
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<td width="102%" colspan="3">一旦不再需要，注意一定要用<a
href="CloseHandle.htm">CloseHandle</a>关闭事件句柄。如对象的所有句柄都已关闭，那么对象也会删除</td>
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