L_DispContainerSetRegionCallBack
#include "l_bitmap.h"
L_LTIVW_API L_INT EXT_FUNCTION L_DispContainerSetRegionCallBack(hCon, pfnCallBack, pUserData)
HDISPCONTAINER hCon; |
/* handle to the container */ |
DISPCONTAINERREGIONCALLBACK pfnCallBack; |
/* callback function */ |
L_VOID * pUserData; |
/* pointer to more parameters for the callback */ |
Sets a callback function that is called every time the user creates, changes or removes a region from one of the bitmaps displayed in a cell. This function is available only in the Medical Imaging Suite toolkit.
Parameter |
Description |
hCon |
Handle to the Container. |
pfnCallBack |
Callback function that is called every time the user creates, changes or removes a region from one of the bitmaps displayed in a cell. |
|
The callback function must adhere to the function prototype described in DISPCONTAINERREGIONCALLBACK. |
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 region callback. To get the region callback use L_DispContainerGetRegionCallBack
Required DLLs and Libraries
LTIVW |
See Also
Example
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