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LRasterDialog::DoModalRegion

Summary

Brings up the region properties dialog box.

Syntax

#include "Ltwrappr.h"

L_INT LRasterDialog::DoModalRegion(hWnd, pRegionDlgInfo)

Parameters

HWND hWnd

Handle of the window that owns the dialog.

pPAINTDLGREGIONINFO pRegionDlgInfo

Pointer to a PAINTDLGREGIONINFO structure that contains region information. The values present in pRegionDlgInfo when the function is called are used to initialize the dialog, if PAINT_DLG_REGION_INITUSEDEFAULT is not set in the dwFlags member of pRegionDlgInfo. When this function returns, this parameter is updated with the values entered through the dialog.

Returns

Value	Meaning
SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes

Required DLLs and Libraries

LTPDG
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 display the Region common dialog.

L_INT LRasterDialog_DoModalRegionExample( HWND hWnd, L_BOOL bUseDef ) 
{ 
   L_INT                nRet; 
   PAINTDLGREGIONINFO   DlgRegionInfo ; 
   LRasterDialog        lRstDlg ; 
 
   if ( bUseDef == TRUE )  
   { 
      DlgRegionInfo.dwFlags = PAINT_DLG_REGION_SHOWALL | PAINT_DLG_REGION_INITUSEDEFAULT ; 
   } 
   else 
   { 
      DlgRegionInfo.nSize                    = sizeof ( PAINTDLGREGIONINFO ) ; 
      DlgRegionInfo.dwFlags                  = PAINT_DLG_REGION_SHOWLOWERTOLERANCE |  
                                                                      PAINT_DLG_REGION_SHOWUPPERTOLERANCE | 
                                                                      PAINT_DLG_REGION_SHOWELLIPSEWIDTH  | 
                                                                      PAINT_DLG_REGION_SHOWELLIPSEHEIGHT ; 
 
      DlgRegionInfo.pszTitle                 = TEXT("Lead Region Common Dialog ") ; 
      DlgRegionInfo.crLowerTolerance         = RGB ( 10, 10, 10 ) ; 
      DlgRegionInfo.crUpperTolerance         = RGB ( 10, 10, 10 ) ; 
      DlgRegionInfo.nRoundRectEllipseWidth   = 20 ;  
      DlgRegionInfo.nRoundRectEllipseHeight  = 20 ; 
   } 
 
   nRet = lRstDlg.DoModalRegion ( hWnd, &DlgRegionInfo  ) ; 
   if(nRet != SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
}