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IWMSServer.DownloadContent (Visual Basic .NET)

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IWMSServer.DownloadContent (Visual Basic .NET)

The DownloadContent method downloads audio or video media content locally using the WMS Archiver Data Writer plug-in.

Syntax

  IWMSServer
  .DownloadContent(
  strSrcURL As String,
  strDestFile As String,
  lContentSizeLow As Integer,
  lContentSizeHigh As Integer,
  lBitRate As Integer
)

Parameters

strSrcURL

[in] String containing the source URL of the content to be downloaded.

strDestFile

[in] String containing the destination file to store the downloaded content.

lContentSizeLow

[in] Integer containing the low-order bits of a 64-bit integer value indicating the maximum size for the destination file. The default value is 0xFFFFFFFF.

lContentSizeHigh

[in] Integer containing the high-order bits of a 64-bit integer value indicating the maximum size for the destination file. The default value is 0xFFFFFFFF.

lBitRate

[in] Integer specifying the maximum bit rate at which to download the content. The default value is 0, indicating that content will be downloaded based on the encoded bit rate of the content.

Return Values

If this method succeeds, it does not return a value. If it fails, it returns an error number.

Number Description
0x80070057 One of the arguments is invalid.
0x8007000E There is insufficient memory to complete the function.

Example Code

Imports Microsoft.WindowsMediaServices.Interop
Imports System.Runtime.InteropServices

Private Sub DownloadMediaContent()

    ' Declare variables.
    Dim Server As WMSServer
    Dim strSrc As String
    Dim strDest As String

Try
    ' Create the WMSServer object.
    Server = New WMSServer()

    ' Download content from another server to a local file.
    strSrc = "https://server/Sample_Broadcast/Welcome1.asf"
    strDest = "c:\wmpub\wmroot\Download_<Y><m><d>.asf"
    Server.DownloadContent(strSrc, strDest, &HFFFFFFFF, &HFFFFFFFF, &HFFFFFFFF)

Catch excCom As COMException
    ' TODO: Handle COM exceptions.
Catch exc As Exception
    ' TODO: Handle errors.
Finally
    ' TODO: Clean-up code goes here.
End Try

End Sub

Requirements

Reference: Add a reference to Microsoft.WindowsMediaServices.

Namespace: Microsoft.WindowsMediaServices.Interop.

Assembly: Microsoft.WindowsMediaServices.dll.

Library: WMSServerTypeLib.dll.

Platform: Windows Server 2003 family, Windows Server 2008 family.

See Also

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