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LImageViewerCell::EnableProbeToolCallBack

Summary

Enables or disables the LImageViewerCell::ProbeToolCallBack function.

Syntax

#include "ltwrappr.h"

L_BOOL LImageViewerCell::EnableProbeToolCallBack(bEnable);

Parameters

L_BOOL bEnable

Flag that indicates whether to enable or disable the LImageViewerCell::ProbeToolCallBack function. Possible values are:

Value	Meaning
TRUE	Enables the LImageViewerCell::ProbeToolCallBack function.
FALSE	Disables the LImageViewerCell::ProbeToolCallBack function.

Returns

The previous setting.

Comments

Call this function to enable or disable the built-in tag callback overridable function for your class object. This will enable or disable the callback functions, which exist in the calling object.

Required DLLs and Libraries

LTIVW
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Example

This example enables the probe tool callback.

#ifdef LImageViewerChild  
class LImageViewerChild :public LImageViewerCell 
{ 
   virtual L_INT ProbeToolCallBack(L_HWND hCellWnd, 
                                   L_INT nSubCellIndex, 
                                   L_INT nX, 
                                   L_INT nY, 
                                   pBITMAPHANDLE pBitmap, 
                                   L_TCHAR * szPixelValue); 
}; 
#endif 
 
L_INT LImageViewerChild::ProbeToolCallBack(L_HWND hCellWnd, 
                                           L_INT nSubCellIndex, 
                                           L_INT nX, 
                                           L_INT nY, 
                                           pBITMAPHANDLE pBitmap, 
                                           L_TCHAR * szPixelValue) 
{ 
   UNREFERENCED_PARAMETER(pBitmap); 
   UNREFERENCED_PARAMETER(nSubCellIndex); 
   UNREFERENCED_PARAMETER(hCellWnd); 
 
   wsprintf(szPixelValue, TEXT("X Value = %d and Y Value = %d"), nX, nY); 
 
   return SUCCESS; 
} 
 
L_INT LImageViewer_EnableProbeToolCallBackExample(LImageViewerCell& ImageViewerCell) 
{ 
   ImageViewerCell.EnableProbeToolCallBack(TRUE); 
 
   return SUCCESS; 
}