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_SetItemSize macro.
- Must be zero.
If the width is set to a value less than the image width set by ImageList_Create, the width of the tab is set to the lowest value that is greater than the image width.
|Minimum supported client
||Windows Vista [desktop apps only]
|Minimum supported server
||Windows Server 2003 [desktop apps only]