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| BOOL LightBoxDlg::Create(UINT nIDTemplate, CWnd* pParentWnd)
{
if(!CDialog::Create(nIDTemplate, pParentWnd))
return false;
RECT rect;
RECT size;
GetParent()->GetWindowRect(&rect);
size.top = 0;
size.left = 0;
size.right = rect.right - rect.left;
size.bottom = rect.bottom - rect.top;
SetWindowPos(m_pParentWnd,rect.left,rect.top,size.right,size.bottom,NULL);
HWND hWnd=m_hWnd;
SetWindowLong (hWnd , GWL_EXSTYLE ,GetWindowLong (hWnd , GWL_EXSTYLE ) | WS_EX_LAYERED ) ;
typedef DWORD (WINAPI *PSLWA)(HWND, DWORD, BYTE, DWORD);
PSLWA pSetLayeredWindowAttributes;
HMODULE hDLL = LoadLibrary (_T("user32"));
pSetLayeredWindowAttributes =
(PSLWA) GetProcAddress(hDLL,"SetLayeredWindowAttributes");
if (pSetLayeredWindowAttributes != NULL)
{
/*
* Second parameter RGB(255,255,255) sets the colorkey
* to white LWA_COLORKEY flag indicates that color key
* is valid LWA_ALPHA indicates that ALphablend parameter
* is valid - here 100 is used
*/
pSetLayeredWindowAttributes (hWnd,
RGB(255,255,255), 100, LWA_COLORKEY|LWA_ALPHA);
}
return true;
} |