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LScreenCapture::SetCaptureAreaOptions

Summary

Sets options for capturing an area.

Syntax

#include "ltwrappr.h"

virtual L_INT LScreenCapture::SetCaptureAreaOptions(pCaptureAreaOption)

Parameters

pLEADCAPTUREAREAOPTION pCaptureAreaOption

Pointer to a LEADCAPTUREAREAOPTION structure.

Returns

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

Comments

Use this function to change the current area image capture options. For information on the default option settings, refer to LEADCAPTUREAREAOPTION.

Required DLLs and Libraries

LTDIS
LTSCR
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

Example

L_INT LScreenCapture__SetCaptureAreaOptionsExample(HWND hWnd) 
{ 
   L_INT nRet; 
   HDC hDC; 
   RECT rcClientRect; 
   LBitmap LeadBitmap; 
   LScreenCapture screenCapture(&LeadBitmap); 
   LEADCAPTUREAREAOPTION CaptureAreaOptions; 
 
   nRet = screenCapture.GetCaptureAreaOptions(&CaptureAreaOptions); 
   if(nRet == SUCCESS) 
   { 
      // Set capture area to Triangle type 
      CaptureAreaOptions.uAreaType = CAPTURE_AREA_TRIANGLE; 
      nRet = screenCapture.SetCaptureAreaOptions(&CaptureAreaOptions); 
      if(nRet == SUCCESS) 
      { 
         // Current area will be captured using new settings 
         nRet = screenCapture.CaptureArea(); 
         if(nRet == SUCCESS) 
         { 
            hDC = GetDC(hWnd); 
 
            GetClientRect(hWnd, &rcClientRect); 
 
            LeadBitmap.Paint()->SetDC(hDC); 
 
            nRet = LeadBitmap.SetDstRect(&rcClientRect); 
            if(nRet != SUCCESS) 
               return nRet; 
 
            nRet = LeadBitmap.Paint()->PaintDC(); 
            if(nRet != SUCCESS) 
               return nRet; 
 
            ReleaseDC(hWnd, hDC); 
         } 
         else 
            return nRet; 
      } 
      else 
         return nRet; 
   } 
   else 
      return nRet; 
 
   return SUCCESS; 
}