Brings up the capture option dialog box and sets the capture options.
#include "ltwrappr.h"
virtual L_INT LScreenCapture::SetCaptureOptionDlg(hParentWnd, uFlags)
Handle to the parent window of the capture option dialog box
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. |
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
Win32, x64.
// 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;
}
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