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Private Shared Function GetOverlappedResult(ByVal hFile As IntPtr, <[In]()> ByRef lpOverlapped As System.Threading.NativeOverlapped, ByRef lpNumberOfBytesTransferred As UInteger, ByVal bWait As Boolean) As Boolean
End Function
User-Defined Types:
None.
Notes:
None.
Tips & Tricks:
Warning! GetOverlappedResult writes to the address of the buffer specified in the ORIGINAL OPERATION (ie/ ReadFile or WriteFile). .NET may move the address of the buffer before GetOverlappedResult returns, resulting in a buffer overflow. Use AllocHGlobal and FreeHGlobal or otherwise ensure the buffer is pinned between the two calls.
Sample Code:
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Alternative Managed API:
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The GetOverlappedResult API
10/21/2011 2:56:38 PM - -60.29.18.98
ByVal is a VB keyword that specifies a variable to be passed as a parameter BY VALUE. In other words, if the function or sub changes the value of the internal variable, it does not change the value of the external variable that was passed to it.
4/25/2007 3:19:55 AM - josep1er@cmich.edu-141.209.229.179
An IntPtr is a pointer to a memory location (unmanaged) that adapts to the platform it is running on (64-bit, etc.) UNLIKE a standard int/Integer. You should always use this type for unmanaged calls that require it, even though an int will appear to work on your development machine.
1/13/2008 4:00:13 AM - Damon Carr-72.43.165.29
ByRef is a VB keyword that specifies a variable to be passed as a parameter BY REFERENCE. In other words, the pointer to the variable is passed and any change to its value made within the function or sub will change its value outside the function/sub.
4/25/2007 3:19:29 AM - anonymous
ByRef is a VB keyword that specifies a variable to be passed as a parameter BY REFERENCE. In other words, the pointer to the variable is passed and any change to its value made within the function or sub will change its value outside the function/sub.
4/25/2007 3:19:29 AM - anonymous
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10/23/2022 7:47:26 PM - gBqsPxAZ-51.137.182.20
ByVal is a VB keyword that specifies a variable to be passed as a parameter BY VALUE. In other words, if the function or sub changes the value of the internal variable, it does not change the value of the external variable that was passed to it.
4/25/2007 3:19:55 AM - josep1er@cmich.edu-141.209.229.179
The GetOverlappedResult API
10/21/2011 2:56:38 PM - -60.29.18.98
The ReadFile API
12/18/2021 8:46:36 AM - 78.138.23.195
The GetOverlappedResult API
10/21/2011 2:56:38 PM - -60.29.18.98
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