SMOOTHDLGPARAMS

typedef struct _SMOOTHDLGPARAMS 
{ 
   L_UINT uStructSize; 
   pBITMAPHANDLE pBitmap; 
   L_BOOL bZoomToFit; 
   SMOOTH Smooth; 
   COLORREF crWhiteArea; 
   COLORREF crBlackArea; 
   L_UINT32 uDlgFlags; 
   LTCOMMDLGHELPCB pfnHelpCallback; 
   L_VOID  *pHelpCallBackUserData; 
} SMOOTHDLGPARAMS,  * LPSMOOTHDLGPARAMS ; 

The SMOOTHDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogDocument::DoModalSmooth function. After the user closes the dialog box, this structure is updated with information about the user's selections.

Member Description
uStructSize Size of this structure, in bytes. Use the sizeof operator to calculate this value.
pBitmap Ignored.
bZoomToFit Flag that indicates the initial zoom level for previewing the image. Possible values are:
  Value Meaning
  TRUE Set the initial zoom level to "Zoom to fit".
  FALSE Set the initial zoom level to "Normal (1:1)".
Smooth A SMOOTH structure that LEADTOOLS uses to perform the smoothing operation. You should set the pBitmapRegion member of the SMOOTH structure to a valid address and fill the uBitmapStructSize member with the proper value.

Note: It's the user's responsibility to free the region in pBitmapRegion, if there is one, using LBitmapRgn::Free.

crWhiteArea Color used to fill the smoothed white areas. This is used only for dialog previewing purposes. You can specify a COLORREF value, such as the return value of the Windows RGB macro, or you can use the PALETTEINDEX macro to specify a palette color.
crBlackArea Color used to fill the smoothed black areas. This is used only for dialog previewing purposes. You can specify a COLORREF value, such as the return value of the Windows RGB macro, or you can use the PALETTEINDEX macro to specify a palette color.
uDlgFlags User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are:
  Value Meaning
  DLG_SMOOTH_SHOW_CONTEXTHELP [0x00000002] dialog should contain a context sensitive help icon.
pfnHelpCallback Ignored.
pHelpCallBackUserData Ignored.
Help Version 20.0.2019.3.11
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LEADTOOLS Common Dialog C++ Class Library Help