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This code is used to wait for card removal. The smart card reader driver's XXX_IOControl (Device Manager) function either returns immediately with STATUS_SUCCESS, which indicates that no card is in the reader, or it blocks until the card is removed.
Parameters
- dwOpenData
[in] Handle returned from a call to the smart card reader driver's XXX_Open (Device Manager) function. - dwCode
[in] Specifies this code. - pBufIn
Ignored. - dwLenIn
Ignored. - pBufOut
Ignored. - dwLenOut
Ignored. - pdwActualOut
Ignored.
Return Values
One of the following status values.
| Status | Description |
|---|---|
| STATUS_SUCCESS | There is no smart card in the card reader. |
| STATUS_CANCELLED | The card reader was closed or the IOCTL_SMARTCARD_CANCEL_BLOCKING code was issued. |
| STATUS_DEVICE_BUSY | Event tracking is already active. |
| STATUS_INVALID_DEVICE_STATE | The card reader cannot accept the request. |
Remarks
Smart card reader drivers return Windows NT status values, rather than Win32 error values, as the return values from the driver's callback function.
Requirements
OS Versions: Windows CE 3.0 and later.
Header: Winsmcrd.h.
See Also
XXX_IOControl (Device Manager) | XXX_Open (Device Manager)
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