@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The MsgWaitForMultipleObjectsEx API !!!!C# Signature: [DllImport("user32.dll")] static extern uint MsgWaitForMultipleObjectsEx(uint nCount, IntPtr [] pHandles, uint dwMilliseconds, uint dwWakeMask, uint dwFlags); !!!!VB Signature: Private Declare Function MsgWaitForMultipleObjects Lib "User32.dll" ( _ ByVal nCount As Integer, _ ByVal pHandles() As IntPtr, _ ByVal bWaitAll As Integer, _ ByVal dwMilliseconds As Integer, _ ByVal dwWakeMask As Integer) As Integer !!!!User-Defined Types: None. !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!Sample Code: Private Const QS_ALLEVENTS As Integer = 1215 Private Const WAIT_OBJECT_0 As Integer = 0 Private Const WAIT_FAILED As Integer = -1 Dim arrHandles(0) As IntPtr Dim bAddref As Boolean Try readyEvent.SafeWaitHandle.DangerousAddRef(bAddref) arrHandles(0) = readyEvent.SafeWaitHandle.DangerousGetHandle() Select Case MsgWaitForMultipleObjects(1, arrHandles, 1, waitInterval, QS_ALLEVENTS) Case WAIT_OBJECT_0 retcode = True Case WAIT_FAILED Dim errorCode As Integer = System.Runtime.InteropServices.Marshal.GetLastWin32Error Dim errMsg As String = New System.ComponentModel.Win32Exception(errorCode).Message Throw New Exception(errMsg) Case Else Return False End Select Catch ex As Exception Trace.TraceError("TaskInvoker.Execute - {0}", ex.Message) Throw Finally readyEvent.SafeWaitHandle.DangerousRelease() End Try !!!!Alternative Managed API: Do you know one? Please contribute it! Documentation: MsgWaitForMultipleObjectsEx@msdn on MSDN
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