HDM_LAYOUT

The HDM_LAYOUT message retrieves the size and position of a header control within a given rectangle. This message is used to determine the appropriate dimensions for a new header control that is to occupy the given rectangle. You can send this message explicitly or by using the Header_Layout macro.

HDM_LAYOUT

wParam = 0;

lParam = (LPARAM) (HD_LAYOUT FAR*) playout;

Parameters

playout

Pointer to an HD_LAYOUT structure. The prc member specifies the coordinates of a rectangle, and the pwpos member receives the size and position for the header control within the rectangle.

Return Values

If the operation succeeds, the return value is TRUE.

If the operation fails, the return value is FALSE.

See Also

HD_LAYOUT, Header_Layout

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