References ▼
#include "l_bitmap.h"
L_LTIVW_API L_INT EXT_FUNCTION L_DispContainerGetActiveSubCellChangedCallBack (hCellWnd, ppfnCallBack, ppUserData)
Gets a callback function that is called every time the user changes the active sub-cell.
A handle to the window that represents the Medical Viewer Cell.
Pointer to a pointer to a callback function to be updated with the last active sub-cell changed callback function set using L_DispContainerGetActiveSubCellChangedCallBack.
Void pointer to be updated with the value of user defined data associated with the status callback. If you are not interested in the user-defined data, pass NULL for this parameter.
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
This function gets the active sub-cell changed callback. To set the active sub-cell changed callback use L_DispContainerSetActiveSubCellChangedCallBack.
Required DLLs and Libraries
This example will link the active sub-cell of the first cell to the second cell and vice versa.
L_INT EXT_FUNCTION ActiveSubCellChangedCallBack(HWND hCellWnd,L_INT nCellIndex,L_INT nSubCellIndex,L_INT nPreviousSubCellIndex,L_VOID * pUserData){UNREFERENCED_PARAMETER(nPreviousSubCellIndex);HDISPCONTAINER hCon = (HDISPCONTAINER)pUserData;UNREFERENCED_PARAMETER(pUserData);DISPSTACKACTIONPROPS ActionProperties;DISPCELLPROPERTIES CellProp;CellProp.uStructSize = sizeof(DISPCELLPROPERTIES);CellProp.uMask = DCCELLPF_ROWS | DCCELLPF_COLS;L_INT nIndex = (nCellIndex == 1) ? 0 : 1;hCellWnd = L_DispContainerGetCellWindowHandle(hCon, nIndex, 0);ActionProperties.DispContainerActionProps.uStructSize = sizeof(DISPSTACKACTIONPROPS);L_DispContainerGetActionProperties(hCellWnd, CONTAINER_ACTION_STACK, 0, &ActionProperties, 0);L_DispContainerGetCellProperties(hCellWnd, &CellProp, 0);ActionProperties.nActiveSubCell = nSubCellIndex % (CellProp.uNumCols * CellProp.uNumRows);ActionProperties.nScrollValue = nSubCellIndex - ActionProperties.nActiveSubCell;L_DispContainerSetActionProperties(hCellWnd, CONTAINER_ACTION_STACK, 0, &ActionProperties, CONTAINER_ACTION_CELLLEVEL);return SUCCESS;}L_INT DispContainerActiveSubCellChangedExample(HDISPCONTAINER hCon){DISPCONTAINERACTIVESUBCELLCHANGED oldCallBack;L_VOID * pOldUserData;if (L_DispContainerGetCellCount(hCon, 0) == 0){MessageBox(NULL, TEXT("you must at least have one cell added to the viewer"), TEXT("No Cell attached"), MB_OK);return FAILURE;}HWND hCellWnd = L_DispContainerGetCellWindowHandle(hCon, 0, 0);L_DispContainerGetActiveSubCellChangedCallBack(hCellWnd, &oldCallBack, &pOldUserData);L_DispContainerSetActiveSubCellChangedCallBack(hCellWnd, ActiveSubCellChangedCallBack, hCon);return SUCCESS;}