References ▼
#include "l_bitmap.h"
L_LTIVW_API L_INT EXT_FUNCTION L_DispContainerGetRegionCallBack(hCellWnd, ppfnCallBack, ppUserData)
Gets the current action callback function along with the user data, which were set using L_DispContainerSetRegionCallBack.
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 pre-paint callback function set using L_DispContainerSetPrePaintCallBack.
Void pointer to be updated with the value of user defined data associated with the tag 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. |
Required DLLs and Libraries
This function will make the cell set the region handle for all the frame if the user create or updated a region on one of the frames.
L_INT EXT_CALLBACK RegionCallBack(HWND hCellWnd,HRGN hRgn,L_INT nCellIndex,L_INT nSubCellIndex,L_UINT uOperation,L_VOID * pUserData){UNREFERENCED_PARAMETER(hRgn);UNREFERENCED_PARAMETER(nCellIndex);UNREFERENCED_PARAMETER(uOperation);UNREFERENCED_PARAMETER(pUserData);L_INT nCount;HBITMAPLIST hBitmapList;L_HRGN hSubCellRgn;L_INT nI;L_INT nRet = L_DispContainerGetCellBitmapList(hCellWnd, &hBitmapList, 0);if (nRet != SUCCESS)return nRet;L_GetBitmapListCount(hBitmapList, (L_UINT *)&nCount);L_DispContainerGetCellRegionHandle(hCellWnd, nSubCellIndex, &hSubCellRgn, 0);for (nI = 0; nI < nCount; nI++){if (nSubCellIndex == nI)continue;L_DispContainerSetCellRegionHandle(hCellWnd, nI, hSubCellRgn, L_RGN_SET, 0);}DeleteRgn(hSubCellRgn);return SUCCESS;}L_INT DispContainerRegionHandleExample(HDISPCONTAINER hCon){DISPCONTAINERREGIONCALLBACK oldCallBack;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_DispContainerGetRegionCallBack(hCellWnd, &oldCallBack, NULL);L_DispContainerSetRegionCallBack(hCellWnd, RegionCallBack, hCon);return SUCCESS;}