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#define INCL_WINENTRYFIELDS
 
EM_QUERYFIRSTCHAR
mp1 = 0L;   /* not used, must be zero */
mp2 = 0L;   /* not used, must be zero */
 
An application sends an EM_QUERYFIRSTCHAR message to determine the index of
the character displayed in the first position of the edit control.
 
This message does not use any parameters.
 
Return Value
 
The return value is the zero-based offset to the first character visible at
the left edge of an entry-field control.
 
See Also
 
EM_SETFIRSTCHAR
 
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