Device can open changed

Description

Functions to set notifications that are triggered when a device is removed from the list.

Functions
void	LstSetCallbackDeviceCanOpenChanged (TpCallbackDeviceList_t pCallback, void *pData)
	Set a callback function which is called when the device can open property changes. More...
void	LstSetEventDeviceCanOpenChanged (int fdEvent)
	Set an event file descriptor which is set when the device can open property changes. More...
void	LstSetEventDeviceCanOpenChanged (HANDLE hEvent)
	Set an event object handle which is set when the device can open property changes. More...
void	LstSetMessageDeviceCanOpenChanged (HWND hWnd)
	Set a window handle to which a WM_LIBTIEPIE_LST_DEVICEREMOVED message is sent when the device can open property changes. More...

Function Documentation

void LstSetCallbackDeviceCanOpenChanged	(	TpCallbackDeviceList_t	pCallback,
		void *	pData
	)

Set a callback function which is called when the device can open property changes.

Parameters

[in]	pCallback	A pointer to the callback function. Use NULL to disable.
[in]	pData	Optional user data.

Status values

LIBRARY_NOT_INITIALIZED	The library is not initialized, see LibInit().
LIBTIEPIESTATUS_SUCCESS

Since

0.6

void LstSetEventDeviceCanOpenChanged

(

int

fdEvent

)

Set an event file descriptor which is set when the device can open property changes.

Parameters

[in]

fdEvent

an event file descriptor. Use <0 to disable.

Note

This function is only available on GNU/Linux.

Status values

LIBRARY_NOT_INITIALIZED	The library is not initialized, see LibInit().
LIBTIEPIESTATUS_SUCCESS

Since

0.6

void LstSetEventDeviceCanOpenChanged

(

HANDLE

hEvent

)

Set an event object handle which is set when the device can open property changes.

Parameters

[in]

hEvent

A handle to the event object. Use NULL to disable.

Note

This function is only available on Windows.

Status values

LIBRARY_NOT_INITIALIZED	The library is not initialized, see LibInit().
LIBTIEPIESTATUS_SUCCESS

Since

0.6

void LstSetMessageDeviceCanOpenChanged

(

HWND

hWnd

)

Set a window handle to which a WM_LIBTIEPIE_LST_DEVICEREMOVED message is sent when the device can open property changes.

The parameters of the message contain the following:

• wParam contains the device type.
• lParam contains the serial number of the changed device.

Parameters

[in]

hWnd

A handle to the window whose window procedure is to receive the message. Use NULL to disable.

Note

This function is only available on Windows.

Status values

LIBRARY_NOT_INITIALIZED	The library is not initialized, see LibInit().
LIBTIEPIESTATUS_SUCCESS

Since

0.6