LDialogImageEffect::DoModalMultiply

#include "ltwrappr.h"

virtual L_INT LDialogImageEffect::DoModalMultiply(hWndOwner)

Displays the Multiply dialog box, and gets the options for LBitmap::Multiply.

Parameters

HWND hWndOwner

Handle of the window which owns the dialog.

Returns

Value Meaning
SUCCESS_DLG_OK The "OK" button was pressed, and the dialog exited successfully.
SUCCESS_DLG_CANCEL The "Cancel" button was pressed, and the dialog exited successfully.
< 1 An error occurred. Refer to Return Codes.

Comments

LDialogImageEffect::SetMultiplyParams must be called before using this function to set the initial values for the dialog. You can get the updated MULTIPLYDLGPARAMS with the values entered by the user through the dialog by using LDialogImageEffect::GetMultiplyParams.

The Multiply dialog.

Required DLLs and Libraries

See Also

Functions

Topics

Example

L_INT LDialogImageEffect_DoModalMultiplyExample(LBitmap * pBitmap, HWND hWnd) 
{ 
   L_INT nRet; 
 
   LDialogImageEffect DlgImageEffect; 
 
   nRet = LDialogImageEffect::Initialize(0); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   DlgImageEffect.SetBitmap(pBitmap); 
 
   MULTIPLYDLGPARAMS DlgParams;  
 
   memset ( &DlgParams, 0, sizeof ( MULTIPLYDLGPARAMS ) ); 
 
   DlgParams.uStructSize      = sizeof ( MULTIPLYDLGPARAMS ); 
   DlgParams.uFactor     = 400; 
 
   DlgImageEffect.EnableCallBack (FALSE); 
   DlgImageEffect.EnablePreview(TRUE); 
   DlgImageEffect.EnableAutoProcess(TRUE); 
   DlgImageEffect.EnableToolbar(TRUE); 
 
   nRet = DlgImageEffect.SetMultiplyParams(&DlgParams); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = DlgImageEffect.DoModalMultiply(hWnd); 
   if(nRet < 1) 
      return nRet; 
 
   // Gets the updated values for the structure 
   nRet = DlgImageEffect.GetMultiplyParams(&DlgParams, sizeof(DlgParams)); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = LDialogImageEffect::Free(); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
} 
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