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Header_OrderToIndex macro

Retrieves an index value for an item based on its order in the header control. You can use this macro or send the HDM_ORDERTOINDEX message explicitly.

Syntax


int Header_OrderToIndex(
  HWND hwndHD,
  int iOrder
);

Parameters

hwndHD

Type: HWND

A handle to a header control.

iOrder

Type: int

The order that the item appears within the header control, from left to right. The index value of the item in the far left column would be 0, the next item to the right would be 1, and so on.

Return value

Returns an int that specifies the index of the item. If iOrder is invalid (negative or too large), the return equals iOrder.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Commctrl.h

 

 

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