IT-Consultant: José Roca (PBWIN 10+/PBCC 6+) (Archive only) > Web Development

WebBrowser Control: Embedding YouTube

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José Roca:
 
The following example embeds an instance of the WebBrowser control in a window and builds an HTML page on the fly that embeds YouTube.


--- Code: ---#COMPILE EXE
#DIM ALL
%UNICODE = 1

' // Include files for external files
%USEWEBBROWSER = 1            ' // Use the WebBrowser control
#INCLUDE ONCE "CWindow.inc"   ' // CWindow class

' // Identifier
%IDC_WEBBROWSER = 101

' ########################################################################################
' Main
' ########################################################################################
FUNCTION WinMain (BYVAL hInstance AS DWORD, BYVAL hPrevInstance AS DWORD, BYVAL lpszCmdLine AS WSTRINGZ PTR, BYVAL nCmdShow AS LONG) AS LONG

   ' // Set process DPI aware
'   SetProcessDPIAware

   ' // Create an instance of the class
   LOCAL pWindow AS IWindow
   pWindow = CLASS "CWindow"
   IF ISNOTHING(pWindow) THEN EXIT FUNCTION

   ' // Create the main window
   pWindow.CreateWindow(%NULL, "AddWebBrowser Template: YouTube", 0, 0, 0, 0, 0, 0, CODEPTR(WindowProc))
   ' // Set the client size
   pWindow.SetClientSize 450, 400
   ' // Center the window
   pWindow.CenterWindow

   ' // Add a WebBrowser control and display a YouTube video
   LOCAL hCtl AS DWORD
   LOCAL s AS WSTRING

   ' // Build the web page. Remember to always start it with "MSHTML:".
   s  = "MSHTML:<!DOCTYPE html>" & $CRLF
   s += "<html>" & $CRLF
   s += "<head>" & $CRLF
   s += "<meta http-equiv='MSThemeCompatible' content='Yes'>" & $CRLF
   s += "<title>YouTube video</title>" & $CRLF
   s += "" & $CRLF
   s += "</head>" & $CRLF
   s += "<body scroll='no' style='MARGIN: 0px 0px 0px 0px'>"
   s += "<object width='100%' height='100%'>" & _
        "<param name='movie' value='http://www.youtube.com/v/t6Lp4w8wyy0&hl=es&fs=1'></param>" & _
        "<param name='wmode' value='transparent'>" & _
        "</param><embed src='http://www.youtube.com/v/t6Lp4w8wyy0&hl=es&fs=1'" & _
        " type='application/x-shockwave-flash' wmode='transparent' width='100%' height='100%'>" & _
        "</embed></object>"
   s += "" & $CRLF
   s += "</body>" & $CRLF
   s += "" & $CRLF
   s += "</html>" & $CRLF

   ' // Create the control
   hCtl = pWindow.AddWebBrowserControl(pWindow.hwnd, %IDC_WEBBROWSER, s, NOTHING, 0, 0, pWindow.ClientWidth, pWindow.ClientHeight)

   

   ' // Default message pump (you can replace it with your own)
   pWindow.DoEvents(nCmdShow)

END FUNCTION
' ########################################################################################

' ========================================================================================
' Main callback function.
' ========================================================================================
FUNCTION WindowProc (BYVAL hwnd AS DWORD, BYVAL uMsg AS DWORD, BYVAL wParam AS DWORD, BYVAL lParam AS LONG) AS LONG

   STATIC hInstance AS DWORD        ' // Instance handle
   STATIC lpc AS CREATESTRUCT PTR   ' // Pointer to the creation parameters
   STATIC pWindow AS IWindow        ' // Reference to the IWindow interface

   SELECT CASE uMsg

      CASE %WM_CREATE
         ' // Pointer to the creation parameters
         lpc = lParam
         ' // Instance handle
         hInstance = @lpc.hInstance
         ' // Get a reference to the IWindow interface from the CREATESTRUCT structure
         pWindow = CWindow_GetObjectFromCreateStruct(lParam)
         EXIT FUNCTION

      CASE %WM_SYSCOMMAND
         ' // Capture this message and send a WM_CLOSE message
         ' // Note: Needed with some OCXs, that otherwise remain in memory
         IF (wParam AND &HFFF0) = %SC_CLOSE THEN
            SendMessage hwnd, %WM_CLOSE, 0, 0
            EXIT FUNCTION
         END IF

      CASE %WM_COMMAND
         SELECT CASE LO(WORD, wParam)
            CASE %IDCANCEL
               ' // If the Escape key has been pressed...
               IF HI(WORD, wParam) = %BN_CLICKED THEN
                  ' // ... close the application by sending a WM_CLOSE message
                  SendMessage hwnd, %WM_CLOSE, 0, 0
                  EXIT FUNCTION
               END IF
         END SELECT

      CASE %WM_SIZE
         IF wParam <> %SIZE_MINIMIZED THEN
            ' // Resize the control
            pWindow.MoveWindow GetDlgItem(hwnd, %IDC_WEBBROWSER), 0, 0, pWindow.ClientWidth, pWindow.ClientHeight, %TRUE
         END IF

      CASE %WM_DESTROY
         ' // End the application
         PostQuitMessage 0
         EXIT FUNCTION

   END SELECT

   ' // Pass unprocessed messages to Windows
   FUNCTION = DefWindowProc(hwnd, uMsg, wParam, lParam)

END FUNCTION
' ========================================================================================

--- End code ---

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