LScreenCapture::CaptureFromEXE

#include "ltwrappr.h"

virtual L_INT LScreenCapture::CaptureFromEXE(pszFileName, nResType, pResID, bCaptureByIndex, clrBackGnd=RGB(0,0,0))

L_TCHAR * pszFileName;

filename to capture from

L_INT nResType;

resource type to capture

L_TCHAR * pResID;

Resource ID to be captured

L_BOOL bCaptureByIndex;

flag that indicates whether pResID is an index or a resource ID

COLORREF clrBackGnd;

background color to be used for icons

Captures an image from the specified resource, stored in an EXE or DLL, into the associated class object's bitmap.

Parameter Description
pszFileName Character string containing the name of the exe (or dll) from which the resource should be captured.
nResType Specifies the type of resource to capture. Possible values are:
  Value Meaning
  RESTYPE_BITMAP capture a bitmap resource
  RESTYPE_ICON capture an icon resource
  RESTYPE_CURSOR capture a cursor resource
pResID Specifies the index of the resource to capture. You can use MAKEINDEX or MAKERESOURCEID macros to convert the resource ids to strings.
bCaptureByIndex Flag that indicates whether pResID represents an index or a resource ID. Possible values are:
  Value Meaning
  TRUE pResID is the index position of the requested resource.
  FALSE pResID is the resource ID of the requested resource.
clrBackGnd Background color for icons.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

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.

See Also

Functions:

Class Members

Topics:

Using Color Values in LEADTOOLS

Example

L_INT LScreenCapture__CaptureFromEXEExample(HWND hWnd) 
{ 
   L_INT nRet; 
   HDC hDC; 
   RECT rcDestRect; 
   LBitmap LeadBitmap; 
   LScreenCapture screenCapture(&LeadBitmap); 
 
   // CaptureFromExe  
   //MFCDEM32 is shipped with LEADTOOLS, you have to copy it to the directory of the sample 
   // it has an ICON with ID=128 
   nRet = screenCapture.CaptureFromEXE(TEXT("MFCDEM32.EXE"), RESTYPE_ICON, MAKEINTRESOURCE(128), 0); 
 
   //   COLORREF Transparent; 
   if(nRet == SUCCESS) 
   { 
      hDC = GetDC(hWnd); 
 
      LeadBitmap.Paint()->SetDC(hDC); 
 
      // Set destination rectangle to be the same as the bitmap dimensions 
      SetRect(&rcDestRect, 0, 0, LeadBitmap.GetWidth(), LeadBitmap.GetHeight()); 
 
      nRet = LeadBitmap.SetDstRect(&rcDestRect); 
      if(nRet != SUCCESS) 
         return nRet; 
 
      nRet = LeadBitmap.Paint()->PaintDC(); 
      if(nRet != SUCCESS) 
         return nRet; 
 
      ReleaseDC(hWnd, hDC); 
   } 
   else 
      return nRet; 
 
   return SUCCESS; 
}
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