emWin - SEGGER Microcontroller

360 CHAPTER The Window Manager (WM)
Return value
Handle of the window’s previous sibling; 0 if none exists.
Additional information
A window’s previous sibling is the previous child window that was created relative to
the same parent. If the Z-positions of the windows have not been changed, it will be
the window directly below of the one specified.
WM_GetStayOnTop()
Description
Returns the current value of the stay on top flag.
Prototype
int WM_GetStayOnTop(WM_HWIN hWin);
Parameter Description
hWin Window handle.
Return value
0: stay on top flag not set
1: stay on top flag set
WM_GetUserData()
Description
Retrieves the data set with WM_SetUserData().
Prototype
int WM_GetUserData(WM_HWIN hWin, void * pDest, int SizeOfBuffer);
Parameter Description
hWin Window handle.
pDest Pointer to buffer.
SizeOfBuffer SIze of buffer.
Return value
Number of bytes retrieved.
Additional information
The maximum number of bytes returned by this function is the number of Extra-
Bytes specified when creating the window.
WM_GetWindowOrgX(), WM_GetWindowOrgY()
Description
Returns the X- or Y-position (respectively) of the origin of the specified window in
desktop coordinates.
Prototypes
int WM_GetWindowOrgX(WM_HWIN hWin);
int WM_GetWindowOrgY(WM_HWIN hWin);
Parameter Description
hWin Window handle.
UM03001 User & Reference Guide for emWin V5.18 © 1997 - 2012 SEGGER Microcontroller GmbH & Co. KG