virtual L_INT LScreenCapture::SetCaptureOptionDlg(hParentWnd, uFlags)
Brings up the capture option dialog box and sets the capture options.
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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