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CreateUpDownControl info  Overview  Group

The CreateUpDownControl function creates an up-down control.

HWND CreateUpDownControl(

    DWORD dwStyle,

    int x,

    int y,

    int cx,

    int cy,

    HWND hParent,

    int nID,


    HWND hBuddy,

    int nUpper,

    int nLower,

    int nPos




Window styles for the control. This parameter should include the WS_CHILD, WS_BORDER, and WS_VISIBLE styles, and it may include any of the window styles specific to the up-down control.
Horizontal coordinate, in client coordinates, of the upper-left corner of the control.
Vertical coordinate, in client coordinates, of the upper-left corner of the control.
Width, in pixels, of the up-down control.
Height, in pixels, of the up-down control.
Handle to the parent window of the up-down control
Identifier for the up-down control.
Handle to the module instance of the application creating the up-down control.
Handle to the window associated with the up-down control. If this parameter is NULL, the control has no buddy window.
Upper limit (range) of the up-down control.
Lower limit (range) of the up-down control.
Position of the control.

Return Values

If the function succeeds, the return value is the window handle to the up-down control.

If the function fails, the return value is NULL. To get extended error information, call GetLastError.


Windows 95: The system can support a maximum of 16,364 window handles.

file: /Techref/os/win/api/win32/func/src/f11_12.htm, 4KB, , updated: 2000/4/7 12:19, local time: 2022/5/26 00:34,

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