EM QUERYFIRSTCHAR

This message returns the zero-based offset of the first character visible at the left edge of an entry-field control.

Syntax

param1
ULONG ulReserved;  /* Reserved value, should be 0. */

param2
ULONG ulReserved;  /* Reserved value, should be 0. */

Parameters

ulReserved (ULONG) - input

Reserved value, should be 0.

ulReserved (ULONG) - input

Reserved value, should be 0.

Returns

sOffset (SHORT) - return

Zero-based offset.

Remarks

The entry field control window procedure responds to this message by returning the zero-based offset into the text that corresponds to the first character displayed in the entry field control.

Default Processing

The default window procedure does not expect to receive this message and therefore takes no action on it, other than to set sOffset to the default value of 0.