LoadProfileByID Method

Loads a system profile identified by its GUID.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Function LoadProfileByID( _
   ByVal ProfileID As String _
) As WMProfile

'Usage
 
Dim instance As WMProfileManager
Dim ProfileID As String
Dim value As WMProfile
 
value = instance.LoadProfileByID(ProfileID)

public WMProfile LoadProfileByID( 
   string ProfileID
)

public:
WMProfile^ LoadProfileByID( 
   String^ ProfileID
)

Parameters

ProfileID: Character string that contains the string GUID for the profile to load. For a list of possible IDs, refer to WMProfile Profile IDConstants.

Return Value

A WMProfile

Remarks

Loads a system profile identified by its GUID. The GUID is passed as a string. The list of profile IDs contains only IDs for versions 4, 7, and 8. Version 9 does not have a predefined list of IDs. Only system profiles have IDs. For more information, refer to the Microsoft documentation for IWMProfileManager.LoadProfileByID.

Example

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

Public _result As Boolean = False
Public _form As ConvertCtrlForm = New ConvertCtrlForm()
Public _subform As TestCtrlSubForm = New TestCtrlSubForm()
' this demo for enumerates system profiles and displays profile info

Public Sub SaveProfileExample()
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi")

   Try
      ' create the profile manager
      Dim manager As WMProfileManager = New WMProfileManager()

      ' build a list of system profiles
      BuildSystemProfileList(_subform.List)

      ' show the dialog
      _subform.ShowDialog(_form)

      Dim idx As Integer = _subform.List.SelectedIndex

      ' load the selected profile
      Dim profile As WMProfile = LoadSystemProfile(manager, idx)

      ' convert to string
      Dim sprof As String = ProfileToString(manager, profile)

      ' display the string
      If profile.Version = WMT_Version.V8 Then
               MessageBox.Show("Profile " _
                               & profile.Name _
                               & " Content: " _
                               & sprof _
                               & "This profile contains " _
                               & profile.StreamCount.ToString() _
                               & " streams and " _
                               & profile.MutualExclusionCount.ToString() _
                               & " mutex")
      End If

      ' convert string to profile
      profile = ProfileFromString(manager, sprof)

      ' dispose the manager
      manager.Dispose()

      ' set the result
      _result = True
   Catch e1 As Exception
      _result = False
   End Try

   ' we'll loop on the state and pump messages for this example.
   ' but you should not need to if running from a Windows Forms application.
   Do While convertctrl.State = ConvertState.Running
      Application.DoEvents()
   Loop
End Sub

Private Sub BuildSystemProfileList(ByVal lbSysProfiles As ListBox)
   ' create the profile manager
   Dim manager As WMProfileManager = New WMProfileManager()
   Dim profile As WMProfile

   ' set the version to show Windows Media 8.0 system profiles
   manager.SystemProfileVersion = WMT_Version.V8

   ' walk the list of system profiles and add the name to the combo box
   lbSysProfiles.Items.Clear()

   ' enumerate the system profiles
   Dim i As Integer = 0
   Do While i < manager.SystemProfileCount - 1
      profile = manager.LoadSystemProfile(i)
      lbSysProfiles.Items.Add(profile.Name)
      i += 1
   Loop
End Sub

Private Function LoadSystemProfile(ByVal manager As WMProfileManager, ByVal idx As Integer) As WMProfile
   ' set the version to load Windows Media 8.0 system profiles
   manager.SystemProfileVersion = WMT_Version.V8

   ' load the the specified profile
   Return manager.LoadSystemProfile(idx)
End Function

Private Function ProfileToString(ByVal manager As WMProfileManager, ByVal profile As WMProfile) As String
   ' convert the profile to string
   Return manager.SaveProfile(profile)
End Function

Private Function ProfileFromString(ByVal manager As WMProfileManager, ByVal profilestr As String) As WMProfile
   ' load profile from string data
   Return manager.LoadProfileByData(profilestr)
End Function

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"
End Class

using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public TestCtrlSubForm _subform = new TestCtrlSubForm();
// this demo for enumerates system profiles and displays profile info

public void SaveProfileExample()
{
   ConvertCtrl convertctrl = _form.ConvertCtrl;
   string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.avi");

   try
   {
      // create the profile manager
      WMProfileManager manager = new WMProfileManager();

      // build a list of system profiles
      BuildSystemProfileList(_subform.List);

      // show the dialog
      _subform.ShowDialog(_form);

      int idx = _subform.List.SelectedIndex;

      // load the selected profile
      WMProfile profile = LoadSystemProfile(manager, idx);

      // convert to string
      string sprof = ProfileToString(manager, profile); 

      // display the string
      if (profile.Version == WMT_Version.V8)
      {
         MessageBox.Show( "Profile " 
                           + profile.Name 
                           + " Content: " 
                           + sprof 
                           + "This profile contains " 
                           + profile.StreamCount.ToString() 
                           + " streams and " 
                           + profile.MutualExclusionCount.ToString() 
                           + " mutex");
      }

      // convert string to profile
      profile = ProfileFromString(manager, sprof);

      // dispose the manager
      manager.Dispose();

      // set the result
      _result = true;
   }
   catch (Exception)
   {
      _result = false;
   }

   // we'll loop on the state and pump messages for this example.
   // but you should not need to if running from a Windows Forms application.
   while (convertctrl.State == ConvertState.Running)
      Application.DoEvents();
}

private void BuildSystemProfileList(ListBox lbSysProfiles)
{
   // create the profile manager
   WMProfileManager manager = new WMProfileManager();
   WMProfile profile;

   // set the version to show Windows Media 8.0 system profiles
   manager.SystemProfileVersion = WMT_Version.V8;

   // walk the list of system profiles and add the name to the combo box
   lbSysProfiles.Items.Clear();

   // enumerate the system profiles
   for (int i = 0; i < manager.SystemProfileCount - 1; i++)
   {
      profile = manager.LoadSystemProfile(i);
      lbSysProfiles.Items.Add(profile.Name);
   }
}

private WMProfile LoadSystemProfile(WMProfileManager manager, int idx)
{
   // set the version to load Windows Media 8.0 system profiles
   manager.SystemProfileVersion = WMT_Version.V8;

   // load the the specified profile
   return manager.LoadSystemProfile(idx);
}

private string ProfileToString(WMProfileManager manager, WMProfile profile)
{
   // convert the profile to string
   return manager.SaveProfile(profile);
}

private WMProfile ProfileFromString(WMProfileManager manager, string profilestr)
{
   // load profile from string data
   return manager.LoadProfileByData(profilestr);
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media";
}

Requirements

Target Platforms

Reference

WMProfileManager Class
WMProfileManager Members