LEADTOOLS Raster Imaging C++ Class Library Help > Classes and Member Functions > LScreenCapture > LScreenCapture Member Functions > LScreenCapture::SetCaptureOptionDlg |
#include "ltwrappr.h"
virtual L_INT LScreenCapture::SetCaptureOptionDlg(hParentWnd, uFlags)
HWND hParentWnd; |
/* handle to the parent window */ |
L_UINT uFlags; |
/* flags to determine function behavior */ |
Brings up the capture option dialog box and sets the capture options.
Parameter |
Description |
|
hParentWnd |
Handle to the parent window of the capture option dialog box |
|
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
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Required DLLs and Libraries
LTDIS For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
See Also
Functions: |
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; }