TCM_SETITEMSIZE  _BGBLH 

The TCM_SETITEMSIZE message sets the width and height of tabs in a fixed-width or owner-drawn tab control. You can send this message explicitly or by using the TabCtrl_SetItemSize781.R. macro.

TCM_SETITEMSIZE

wParam = 0;                   // not used; must be zero

lParam = MAKELPARAM(cx, cy);  // new width and height, in pixels

Parameters

cx and cy

New width and height, in pixels.

Return Values

Returns the old width and height. The width is in the low-order word of the return value, and the height is in the high-order word.

See Also