LM QUERYITEMCOUNT

This message returns a count of the number of items in the list box 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

sItemCount (SHORT) - returns: Item count.

Remarks

The list box control window procedure responds to this message by setting sItemCount to the number of items in the list.

Default Processing

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