关于CComboBox控件的下拉列表句柄的获取

BOOL GetComboBoxInfo(
   PCOMBOBOXINFO pcbi
) const;


Syntax

typedef struct tagCOMBOBOXINFO {
    DWORD cbSize;
    RECT rcItem;
    RECT rcButton;
    DWORD stateButton;
    HWND hwndCombo;
    HWND hwndItem;
    HWND hwndList;
} COMBOBOXINFO, *PCOMBOBOXINFO, *LPCOMBOBOXINFO;
Members

cbSize
The size, in bytes, of the structure. The calling application must set this to sizeof(COMBOBOXINFO). 
rcItem
A RECT structure that specifies the coordinates of the edit box. 
rcButton
A RECT structure that specifies the coordinates of the button that contains the drop-down arrow. 
stateButton
The combo box button state. This parameter can be one of the following values. 
0
The button exists and is not pressed.
STATE_SYSTEM_INVISIBLE
There is no button.
STATE_SYSTEM_PRESSED
The button is pressed.
hwndCombo
A handle to the combo box. 
hwndItem
A handle to the edit box. 
hwndList
A handle to the drop-down list.