Creates a split button control with specified styles and attaches it to the current CSplitButton object.
virtual BOOL Create(
        DWORD dwStyle, 
        const RECT& rect, 
        CWnd* pParentWnd, 
        UINT nID
);
Parameters
| Parameter | Description | 
|---|---|
| [in] dwStyle | A bitwise combination (OR) of styles to be applied to the control. For more information, see Button Styles. | 
| [in] rect | A reference to a RECT structure that contains the position and size of the control. | 
| [in] pParentWnd | A non-null pointer to a CWnd object that is the parent window of the control. | 
| [in] nID | The ID of the control. | 
Return Value
true if this method is successful; otherwise, false.
Requirements
Header: afxcmn.h
This method is supported in Windows Vista and later.
Additional requirements for this method are described in Build Requirements for Windows Vista Common Controls.