HDM_SETORDERARRAY message

Sets the left-to-right order of header items. You can send this message explicitly or use the Header_SetOrderArray macro.

Parameters

wParam

The size of the buffer at lParam, in elements. This value must equal the value returned by HDM_GETITEMCOUNT.

lParam

A pointer to an array that specifies the order in which items should be displayed, from left to right. For example, if the contents of the array are {2,0,1}, the control displays item 2, item 0, and item 1, from left to right.

Return value

Returns nonzero if successful, or zero otherwise.

Requirements

Requirement Value
Minimum supported client
Windows Vista [desktop apps only]
Minimum supported server
Windows Server 2003 [desktop apps only]
Header
Commctrl.h