CBM ISLISTSHOWING

This message determines if the list box control is showing.

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

rc (BOOL) - returns

Showing indicator.

TRUE: The list box control is showing.

FALSE: The list box control is not showing.

Remarks

The combo box control window procedure responds to this message by indicating if the list box control is showing.

Default Processing

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