LEADTOOLS Multimedia (Leadtools.Multimedia assembly)
LEAD Technologies, Inc

HasDialog Method (Processor)

Example 





A ProcessorDlg value that specifies which dialog's availability is being queried.
Indicates whether the specified property's dialog is available.
Syntax
public bool HasDialog( 
   ProcessorDlg Dialog
)
'Declaration
 
Public Function HasDialog( _
   ByVal Dialog As ProcessorDlg _
) As Boolean
'Usage
 
Dim instance As Processor
Dim Dialog As ProcessorDlg
Dim value As Boolean
 
value = instance.HasDialog(Dialog)
public bool HasDialog( 
   ProcessorDlg Dialog
)
 function Leadtools.Multimedia.Processor.HasDialog( 
   Dialog 
)
public:
bool HasDialog( 
   ProcessorDlg Dialog
) 

Parameters

Dialog
A ProcessorDlg value that specifies which dialog's availability is being queried.

Return Value

true if the specified property's dialog is available; false, otherwise
Remarks
Indicates whether the specified property's dialog is available.
Example
Copy CodeCopy Code  
Public _result As Boolean = False
    Public _form As PlayCtrlForm = New PlayCtrlForm()
    Public Sub HasDialogExample()
      ' reference the play control
      Dim playctrl As PlayCtrl = _form.PlayCtrl

      ' input file
                Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi")

      Try
         ' turn off auto start
         playctrl.AutoStart = False

         ' set the source file
         playctrl.SourceFile = inFile

         ' add a video processor
         playctrl.SelectedVideoProcessors.Add(playctrl.VideoProcessors.EFXDizzy)

         ' The HasDialog method tells us that the object
         ' can display the desired dialog.
         ' check to see if the processor dialog can be displayed
         If playctrl.SelectedVideoProcessors.EFXDizzy.HasDialog(ProcessorDlg.Properties) Then
           ' now show it to change some settings
           playctrl.SelectedVideoProcessors.EFXDizzy.ShowDialog(ProcessorDlg.Properties, _form)
           _result = True
         End If

         ' start the playback
         playctrl.Run()

         ' 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 playctrl.State = PlayState.Running
           Application.DoEvents()
         Loop
      Catch e1 As Exception
         _result = False
      End Try
    End Sub

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
End Class
public bool _result = false;
      public PlayCtrlForm _form = new PlayCtrlForm();
      public void HasDialogExample()
      {
         // reference the play control
         PlayCtrl playctrl = _form.PlayCtrl;

         // input file
         string inFile =Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_Source.avi");

         try
         {
            // turn off auto start
            playctrl.AutoStart = false;

            // set the source file
            playctrl.SourceFile = inFile;

            // add a video processor
            playctrl.SelectedVideoProcessors.Add(playctrl.VideoProcessors.EFXDizzy);

            // The HasDialog method tells us that the object
            // can display the desired dialog.
            // check to see if the processor dialog can be displayed
            if (playctrl.SelectedVideoProcessors.EFXDizzy.HasDialog(ProcessorDlg.Properties))
            {
               // now show it to change some settings
               playctrl.SelectedVideoProcessors.EFXDizzy.ShowDialog(ProcessorDlg.Properties, _form);
               _result = true;
            }

            // start the playback
            playctrl.Run();

            // 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 (playctrl.State == PlayState.Running)
               Application.DoEvents();
         }
         catch (Exception)
         {
            _result = false;
         }
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
}
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

Processor Class
Processor Members

 

 


Products | Support | Contact Us | Copyright Notices

© 2006-2012 All Rights Reserved. LEAD Technologies, Inc.

Leadtools.Multimedia requires a Multimedia or Multimedia Suite license and unlock key. For more information, refer to: LEADTOOLS Toolkit Features