LVM_GETGROUPSTATE message

Gets the state for a specified group. Send this message explicitly or by using the ListView_GetGroupState macro.

Parameters

wParam [in]

Specifies the group by iGroupId (see LVGROUP structure).

lParam [in]

Specifies the state values to retrieve. This is a combination of the flags listed for the state member of LVGROUP.

Return value

Returns the combination of state values that are set. For example, if lParam is LVGS_COLLAPSED and the value returned is zero, the LVGS_COLLAPSED state is not set. Zero is returned if the group is not found.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	Commctrl.h