LVectorBase::GetBackgroundColor

#include "ltwrappr.h"

virtual L_INT LVectorBase::GetBackgroundColor(pColor)

L_COLOR *pColor;

pointer to a variable to be updated

Gets the current background color.

Parameter	Description
pColor	Pointer to an L_COLOR variable to be updated with the background color.

Returns

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

Comments

This function returns the current background color. If LVectorBase::Paint is called with the bEraseBkgnd parameter set t o TRUE, this is the color that is used to erase the background.

Required DLLs and Libraries

LVKRN

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

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
L_INT LVectorBase__GetBackgroundColorExample(HWND hWnd) 
{ 
   L_INT       nRet; 
   L_COLOR     color; 
   L_TCHAR     szTemp[100]; 
   LVectorBase Vector; 
   nRet = Vector.Load(MAKE_IMAGE_PATH(TEXT("random.dxf"))); 
   if(nRet != SUCCESS) 
      return nRet; 
   nRet = Vector.GetBackgroundColor(&color); 
   if(nRet != SUCCESS) 
      return nRet; 
   wsprintf(szTemp, TEXT("Old Background color: %x"), color); 
   MessageBox(hWnd, szTemp, TEXT(""), MB_OK); 
   nRet = Vector.SetBackgroundColor(RGB(100,100,0)); 
   if(nRet != SUCCESS) 
      return nRet; 
   wsprintf(szTemp, TEXT("New Background color: %x"), color); 
   MessageBox(hWnd, szTemp, TEXT(""), MB_OK); 
   return SUCCESS; 
}

Help Version 19.0.2017.10.27

Products | Support | Contact Us | Copyright Notices
© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Vector C++ Class Library Help

Introduction

Version History

LEADTOOLS Vector Features

Redistributables/Files To Be Included With Your Application

Quick Reference

Tutorials

Classes and Member Functions

Appendix

Functions:	LVectorBase::SetBackgroundColor, LVectorBase::Paint, LVectorBase::AttachToWindow
Topics:	Viewing a Vector Images
	Vector Images: Viewing a Vector Image