phoneGetDisplay
The
phoneGetDisplay function returns the current contents of the specified phone display.
LONG phoneGetDisplay(
HPHONE hPhone,
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LPVARSTRING lpDisplay
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);
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Parameters
hPhone
A handle to the open phone device.
lpDisplay
A pointer to the memory location where the display content is to be stored, of
type
VARSTRING.
Return Values
Returns zero if the request is successful or a negative error number if an
error has occurred. Possible return values are:
PHONEERR_INVALPHONEHANDLE, PHONEERR_RESOURCEUNAVAIL, PHONEERR_INVALPOINTER,
PHONEERR_OPERATIONFAILED, PHONEERR_INVALPHONESTATE, PHONEERR_STRUCTURETOOSMALL,
PHONEERR_OPERATIONUNAVAIL, PHONEERR_UNINITIALIZED, PHONEERR_NOMEM.
Remarks
The
lpDisplay memory area should be at least (
dwDisplayNumRows *
dwDisplayNumColumns) elements in size to receive all of the display information.
dwDisplayNumRows and
dwDisplayNumColumns are available in the
PHONECAPS structure returned by
phoneGetDevCaps.
See Also
PHONECAPS,
phoneGetDevCaps,
VARSTRING
- Software for developers
-
Delphi Components
.Net Components
Software for Android Developers
- More information resources
-
MegaDetailed.Net
Unix Manual Pages
Delphi Examples
