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Retrieves the number of tabs in the tab control. You can send this message explicitly or by using the TabCtrl_GetItemCount macro.
Parameters
-
wParam
- Must be zero.
-
lParam
- Must be zero.
Return value
Returns the number of items if successful, or zero otherwise.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|