LM QUERYITEMTEXTLENGTH

This message returns the length of the text of the specified list box item.

Syntax

param1
    SHORT sItemIndex; /* Item index. */

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

Parameters

sItemIndex (SHORT) - input

Item index.

ulReserved (ULONG) - input

Reserved value, should be 0.

Returns

sTextLength (SHORT) - returns

Length of item text.

The length of the text string, excluding the null termination character.

LIT_ERROR: Error occurred. For example, the item specified by its index does not exist.

Other: Length of item text.

Remarks

The list box control window procedure responds to this message by setting sTextLength to the length in characters of the text of the item specified by sItemIndex.

Default Processing

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