LVM_ARRANGE Overview Group

The LVM_ARRANGE message arranges items in icon view. You can send this message explicitly or by using the ListView_Arrange macro.

LVM_ARRANGE 

wParam = (WPARAM) (int) code; 

lParam = 0;

Parameters

code

Specifies the alignment, which can be one of the following values:

Value	Meaning
LVA_ALIGNLEFT	Aligns items along the left edge of the window.
LVA_ALIGNTOP	Aligns items along the top edge of the window.
LVA_DEFAULT	Aligns items according to the list view control’s current alignment styles (the default value).
LVA_SNAPTOGRID	Snaps all icons to the nearest grid position.

Returns TRUE if successful or FALSE otherwise.