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LScreenCapture::SetCaptureOptionDlg

Summary

Brings up the capture option dialog box and sets the capture options.

Syntax

#include "ltwrappr.h"

virtual L_INT LScreenCapture::SetCaptureOptionDlg(hParentWnd, uFlags)

Parameters

HWND hParentWnd

Handle to the parent window of the capture option dialog box

L_UINT uFlags

Flags that determine the options dialog. Possible values are:

Value	Meaning
NONE	[0x0000] No "?" help button will be shown.
SCRDLG_SETCAPTUREOPTION_CONTEXTHELP	[0x0001] Capture options dialog context help.

Returns

Value	Meaning
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.

Example

// ScreenCapture Help Callbacks 
class LUserScreenCapture : public LScreenCapture 
{ 
   HWND m_hWnd; 
public: 
   LUserScreenCapture(HWND hWnd){m_hWnd = hWnd;} 
   virtual ~LUserScreenCapture(){}; 
   virtual L_VOID ScreenCaptureHelpCallBack(L_UINT32 uFlag, L_INT nCtlID); 
}; 
 
// This callback will be called once the help button is pressed 
L_VOID  LUserScreenCapture::ScreenCaptureHelpCallBack(L_UINT32 uFlag, L_INT nCtlID) 
{ 
   UNREFERENCED_PARAMETER(uFlag); 
   UNREFERENCED_PARAMETER(nCtlID); 
 
   // 
 
   // set your code here... 
   // 
} 
 
L_INT LScreenCapture__SetCaptureOptionDlgExample(HWND hWnd) 
{ 
   L_INT nRet; 
   HDC hDC; 
   RECT rcClientRect; 
   LBitmap LeadBitmap; 
   LUserScreenCapture screenCapture(hWnd); 
 
   screenCapture.EnableCallBack(TRUE); 
   screenCapture.SetBitmap(&LeadBitmap); 
 
   // display a dialog to select capture options 
   nRet = screenCapture.SetCaptureOptionDlg(hWnd, SCRDLG_SETCAPTUREOPTION_CONTEXTHELP); 
   if(nRet == SUCCESS) 
   { 
      // capture ActiveWindow- HotKey = F11 
      // Press the hotkey after calling the function to activate capture 
      nRet = screenCapture.CaptureActiveWindow(); 
      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; 
 
   return SUCCESS; 
}