Gets the bounding rectangle of the dropdown window for a toolbar item with style BTNS_DROPDOWN.
- wParam [in]
The zero-based index of the toolbar control item for which to retrieve the bounding rectangle.
- lParam [in, out]
- A pointer to a RECT structure to receive the bounding rectangle information. The message sender is responsible for allocating this structure. The coordinates returned in the RECT structure are expressed as client coordinates.
Always returns nonzero.
The item must have the BTNS_DROPDOWN style.
Minimum supported client
|Windows Vista [desktop apps only]|
Minimum supported server
|Windows Server 2003 [desktop apps only]|