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LVectorDialog::IsNoDuplicateEnabled

Summary

Indicates whether to allow duplicate layer names within the same vector.

Syntax

#include "ltwrappr.h"

L_BOOL LVectorDialog::IsNoDuplicateEnabled() const;

Returns

Value	Meaning
TRUE	Do not allow duplicate layer names in a vector.
FALSE	Allow duplicate layer names in a vector.

Comments

This function returns the value of the internal setting that indicates whether to allow duplicate layer names within the same vector.

Required DLLs and Libraries

LTVKRN
LVDLG
LTFIL
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 will call the DoModalVectorNewLayer() dialog, and return the selected values
Will not allow creation of duplicate layers.

L_INT LVectorDialog__IsNoDuplicateEnabledExample(HWND hWnd, LVectorBase *pVector) 
{ 
   L_INT          nRet; 
   LVectorDialog  VectorDlg; 
 
   VectorDlg.SetVector(pVector); 
 
   VectorDlg.EnableAutoProcess(); 
 
   if (VectorDlg.IsNoDuplicateEnabled() == FALSE) 
   { 
      MessageBox(hWnd, TEXT("Setting the 'No Duplicate Flag'"), TEXT(""), MB_OK); 
   } 
 
   VectorDlg.EnableNoDuplicate(); 
 
   L_BOOL bActiveLayer = TRUE; 
 
   LVectorLayer VectorLayer; 
 
   nRet = VectorDlg.DoModalVectorNewLayer(hWnd, &VectorLayer, &bActiveLayer); 
   if (nRet == SUCCESS) 
   { 
      L_TCHAR           szMsg[200]; 
      VECTORLAYERDESC   Desc; 
 
      nRet = VectorLayer.GetLayerDesc(&Desc);  
      if(nRet != SUCCESS) 
         return nRet; 
 
      wsprintf(szMsg, TEXT("New Layer\nName[%s]\nVisible[%d]\nLocked[%d]"), 
               Desc.szName, 
               Desc.bVisible, 
               Desc.bLocked 
               ); 
      MessageBox(hWnd, szMsg, TEXT(""), MB_OK); 
   } 
   else 
      return nRet; 
 
   return SUCCESS; 
}