#include "l_bitmap.h"
L_LTIVW_API L_INT EXT_FUNCTION L_DispContainerGetAnnotationCreatedCallBack(hCellWnd, ppfnCallBack, ppUserData)
Gets the current annotation-created callback function along with the user data, which were set using L_DispContainerSetAnnotationCreatedCallBack.
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 annotation-created callback function set using L_DispContainerSetAnnotationCreatedCallBack.
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. |
This function gets the annotation-created callback. To set the annotation-created callback, use L_DispContainerSetAnnotationCreatedCallBack
Required DLLs and Libraries
This example converts the annotation object (rectangle, ellipse and hilite) into a region once the user draws them
L_INT EXT_CALLBACK AnnotationCreatedCallBack(L_INT nCellIndex,
L_INT nSubCellIndex,
L_UINT uAnnotationType,
L_VOID * pUserData)
{
HDISPCONTAINER hCon = (HDISPCONTAINER)pUserData;
HWND hCellWnd = L_DispContainerGetCellWindowHandle(hCon, nCellIndex, 0);
switch(uAnnotationType)
{
case ANNOBJECT_RECT:
case ANNOBJECT_ELLIPSE:
case ANNOBJECT_HILITE:
L_DispContainerAnnToRgn(hCellWnd, nSubCellIndex, L_RGN_OR, TRUE, 0);
break;
}
return SUCCESS;
}
L_INT DispContainerAnnotationCreatedCallbacksExample(HDISPCONTAINER hCon)
{
DISPCONTAINERANNOTATIONCREATEDCALLBACK 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_DispContainerGetAnnotationCreatedCallBack(hCellWnd, &oldCallBack, &pOldUserData);
L_DispContainerSetAnnotationCreatedCallBack(hCellWnd, AnnotationCreatedCallBack, hCon);
return SUCCESS;
}