Available in LEADTOOLS Medical Imaging toolkits. |
L_DispContainerSetPostPaintCallBack
#include "l_bitmap.h"
L_LTIVW_API L_INT EXT_FUNCTION L_DispContainerSetPostPaintCallBack(hCellWnd, pfnCallBack, pUserData)
HWND hCellWnd; |
/* handle to the cell window */ |
DISPCONTAINERPOSTPAINTCALLBACK pfnCallBack; |
/* callback function */ |
LPVOID pUserData; |
/* pointer to more parameters for the callback */ |
Sets a callback function that is called after painting the cell or sub-cell.
Parameter |
Description |
hCellWnd |
A handle to the window that represents the Medical Viewer Cell. |
pfnCallBack |
Callback function that is called after painting the cell. |
|
The callback function must adhere to the function prototype described in DISPCONTAINERPOSTPAINTCALLBACK. |
pUserData |
Void pointer that you can use to pass one or more additional parameters that the callback function needs. |
|
To use this feature, assign a value to a variable or create a structure that contains as many fields as you need. Then, in this parameter, pass the address of the variable or structure, casting it to L_VOID *. The callback function, which receives the address in its own pUserData parameter, can cast it to a pointer of the appropriate data type to access your variable or structure. |
|
If the additional parameters are not needed, you can pass NULL in this parameter. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
This function sets the post-paint callback. To get the post-paint callback, use L_DispContainerGetPostPaintCallBack.
Required DLLs and Libraries
LTIVW |
See Also
Example
For an example, refer to L_DispContainerFreezeSubCell.