GetGestureExtraArgs function (winuser.h)

Retrieves additional information about a gesture from its GESTUREINFO handle.

Syntax

BOOL GetGestureExtraArgs(
  [in]  HGESTUREINFO hGestureInfo,
  [in]  UINT         cbExtraArgs,
  [out] PBYTE        pExtraArgs
);

[in] hGestureInfo

The handle to the gesture information that is passed in the lParam of a WM_GESTURE message.

[in] cbExtraArgs

A count of the bytes of data stored in the extra arguments.

[out] pExtraArgs

A pointer to the extra argument information.

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, use the GetLastError function.

This function is reserved for future use and should only be used for testing. Windows 7 gestures do not use extra arguments.

Requirement	Value
Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Target Platform	Windows
Header	winuser.h (include Windows.h)
Library	User32.lib
DLL	User32.dll