Block PrintScreen ( 프로그램 캡쳐 방지)

프로그램에서
Print-Screen으로 화면 캡쳐를 막는 class 입니다.

문론 원천적으로 프로그램의 캡쳐를 완전히 막는 방법은 없습니다.
최소한의 캡쳐방비용 기능입니다.

#include <ClipBrd.hpp> // ��� // http://msdn.microsoft.com/en-us/magazine/cc163713.aspx // http://msdn.microsoft.com/en-us/library/windows/desktop/ms646279(v=vs.85).aspx // http://labnol.blogspot.com/2004/08/disable-print-screen-key-in-windows.html //--------------------------------------------------------------------------- class TSnapShotBlock {     HWND m_hWnd[4];     bool m_bBlock; public:     TSnapShotBlock()     {         m_bBlock=false;         for(int i=0;i<4;i++)         {             m_hWnd[i]=AllocateHWnd(AllHwndWinProc);         }     }     ~TSnapShotBlock()     {         SetSnapshotBlock(false);         for(int i=0;i<4;i++)         {             DeallocateHWnd(m_hWnd[i]);         }     }     //----------------------------------------------     void __fastcall AllHwndWinProc(TMessage &Msg)     {         if(Msg.WParam==IDHOT_SNAPDESKTOP || Msg.WParam==IDHOT_SNAPWINDOW)         {             Clipboard()->Clear();         }     }     //----------------------------------------------     void __fastcall SetSnapshotBlock(bool bBlock)     {         m_bBlock=bBlock;         if(bBlock)         {             RegisterHotKey(m_hWnd[0], IDHOT_SNAPDESKTOP,0, VK_SNAPSHOT);             RegisterHotKey(m_hWnd[1], IDHOT_SNAPDESKTOP,MOD_CONTROL, VK_SNAPSHOT);             RegisterHotKey(m_hWnd[2], IDHOT_SNAPDESKTOP,MOD_SHIFT, VK_SNAPSHOT);             RegisterHotKey(m_hWnd[3], IDHOT_SNAPDESKTOP,MOD_WIN, VK_SNAPSHOT);             RegisterHotKey(m_hWnd[0], IDHOT_SNAPWINDOW, MOD_ALT, VK_SNAPSHOT);         }         else         {             UnregisterHotKey(m_hWnd[0], IDHOT_SNAPDESKTOP);             UnregisterHotKey(m_hWnd[1], IDHOT_SNAPDESKTOP);             UnregisterHotKey(m_hWnd[2], IDHOT_SNAPDESKTOP);             UnregisterHotKey(m_hWnd[3], IDHOT_SNAPDESKTOP);             UnregisterHotKey(m_hWnd[0], IDHOT_SNAPWINDOW);         }     } }; TSnapShotBlock g_SnapshotBlk;

 
사용방법은?

void __fastcall TForm1::FormCreate(TObject *Sender) {     g_SnapshotBlk.SetSnapshotBlock(true);     Application->OnMinimize=AppMinimize;     Application->OnRestore=AppRestore; } //--------------------------------------------------------------------------- //프로그램이 minimize될때 snapshot을 허용하도록 한다.   void __fastcall TForm1::AppMinimize(TObject *Sender) {     g_SnapshotBlk.SetSnapshotBlock(false); } //--------------------------------------------------------------------------- //프로그램이 Restore될때 snapshot을 막는다 void __fastcall TForm1::AppRestore(TObject *Sender) {     g_SnapshotBlk.SetSnapshotBlock(true); }

 
....

Application이 Minimize되었을때는 Print-Screen을 허용하도록 한것입니다.


그럼..