Collapse All Expand All

LScreenCapture::CaptureFromEXEDlg

#include "ltwrappr.h"

virtual L_INT LScreenCapture::CaptureFromEXEDlg(pszFileName, pTransparentColor, nResType, uFlags, nDialogType=LTCAPDLG_TREEVIEW)

L_TCHAR * pszFileName;	/* filename to capture from */
COLORREF * pTransparentColor;	/* pointer to a color */
L_INT nResType;	/* resource type to be captured */
L_UINT uFlags;	/* flags to determine function behavior */
L_INT nDialogType;	/* type of dialog to be displayed */

Displays a dialog and captures an image from a 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.
pTransparentColor	Pointer to a color to be used in place of the transparent color of an Icon or Cursor.
nResType	Type of resource to be captured. Possible values are:
	Value	Meaning
	RESTYPE_BITMAP	capture a bitmap
	RESTYPE_ICON	capture an icon
	RESTYPE_CURSOR	capture a cursor

 

uFlags	Flags that determine the options dialog. Possible values are:
	Value	Meaning
	NONE	[0x0000] No "?" help button will be shown.
	SCRDLG_CAPTUREFROMEXE_CONTEXTHELP	[0x0008] Capture from exe options dialog context help.

 

nDialogType	Type of dialog to be displayed. Possible values are:
	Value	Meaning
	CAP_DLG_TREEVIEW	Display tree dialog
	CAP_DLG_TABVIEW	Display tab view

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, LScreenCapture::ScreenCaptureHelpCallBack
Topics:	Using Color Values in LEADTOOLS

Example

L_INT LScreenCapture__CaptureFromEXEDlgExample(HWND hWnd)
{
   L_INT nRet;
   HDC hDC;
   RECT rcDestRect;
   COLORREF Transparent;
   LBitmap LeadBitmap;
   LScreenCapture screenCapture(&LeadBitmap);
   // CaptureFromExeDlg
   //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.CaptureFromEXEDlg(TEXT("MFCDEM32.EXE"), &Transparent, 0, RESTYPE_BITMAP);
   if(nRet == SUCCESS)
   {
      hDC = GetDC(hWnd);
      LeadBitmap.Paint()->SetDC(hDC);
      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;
}