CBN_DROPDOWN
This notification message is sent when the list box of a combo box is about to be made visible. The parent window of the combo box receives this notification message through the WM_COMMAND message.
CBN_DROPDOWN idComboBox = (int)LOWORD(wParam);
hwndComboBox = (HWND) lParam;
Parameters
- idComboBox
Identifier of the combo box. - hwndComboBox
Handle to the combo box.
Remarks
This notification message can occur only for a combo box with the CBS_DROPDOWN or CBS_DROPDOWNLIST style.
Requirements
| Runs On | Versions | Defined in | Include | Link to |
|---|---|---|---|---|
| Windows CE OS | 1.0 and later | Winuser.h |
Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
See Also
Last updated on Tuesday, July 13, 2004
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