This boolean function specifies whether the driver is opened.
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Language
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Description
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C/C++
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BOOL IsRapidUsbOpened ( HANDLE hUSB )
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Delphi
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function IsRapidUsbOpened ( hUSB : THandle ) : BOOL; stdcall
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VB
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Function IsRapidUsbOpened ( ByVal hUSB As Long ) As Bool
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Parameters:
hUSB - the handle returned by a successful call to OpenRapidUsb
Return Value :
TRUE if the driver was already opened by OpenRapidUsb(), or FALSE if it was not.
Comments:
Use immediately after OpenRapidUsb() call to check if the driver was successfully opened or not.
See also: OpenRapidUsb CloseRapidUSB
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