#include "ltwrappr.h"
virtual L_INT LImageViewerCell::AnnotationCallBack(hCellWnd, uMessage, nX, nY, nCellIndex, nSubCellIndex)
This callback function is called every time the user clicks on an annotation object.
A handle to the window that represents the Medical Viewer Cell.
Value that represents the message from the mouse. Possible values are:WM_LBUTTONDOWNWM_LBUTTONUPWM_MBUTTONDOWNWM_MBUTTONUPWM_MOUSEMOVEWM_RBUTTONDOWNWM_RBUTTONUP
A Value that represents the X position of the cursor.
A Value that represents the Y position of the cursor.
Index of the cell that contains the sub-cell that annotation object
Index of the sub-cell that contains that annotation object.
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
In order to use this callback function, it must first be set by calling LImageViewerCell::EnableAnnotationCreatedCallBack function.
Required DLLs and Libraries
This example will convert the rectangle, ellipse or hilite annotation into region once the user clicks on them.
#ifdef LImageViewerChildclass LImageViewerChild :public LImageViewerCell{virtual L_INT AnnotationCallBack(HWND hCellWnd,L_UINT uMessage,L_INT nX,L_INT nY,L_INT nCellIndex,L_INT nSubCellIndex);};#endifL_INT LImageViewerChild ::AnnotationCallBack(HWND hCellWnd,L_UINT uMessage,L_INT nX,L_INT nY,L_INT nCellIndex,L_INT nSubCellIndex){UNREFERENCED_PARAMETER(hCellWnd);UNREFERENCED_PARAMETER(nCellIndex);UNREFERENCED_PARAMETER(nX);UNREFERENCED_PARAMETER(nY);UNREFERENCED_PARAMETER(uMessage);DISPCONTAINERANNATTRIBS AnnAttrib;AnnAttrib.uStructSize = sizeof(DISPCONTAINERANNATTRIBS);GetSelectedAnnotationAttributes(nSubCellIndex, &AnnAttrib, 0);switch(AnnAttrib.uType){case ANNOBJECT_RECT:case ANNOBJECT_ELLIPSE:case ANNOBJECT_HILITE:AnnToRgn(nSubCellIndex, L_RGN_OR, TRUE, 0);break;}return SUCCESS;}L_INT LImageViewer_AnnotationCallbacksExample(LImageViewerCell& ImageViewerCell){ImageViewerCell.EnableAnnotationCallBack(TRUE);return SUCCESS;}