HasDialog Method (Processor)

Visual Basic
C#
C++/CLI

'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
)

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; otherwise, it is false

Indicates whether the specified property's dialog is available.

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

Copy Code

Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

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

      ' get index of lead video Stabilizer transform
      Dim nIndex As Integer = playctrl.VideoProcessors.IndexOf("{E2B6EDDE-38C5-11D5-91F6-00104BDB8FF9}")

      ' add the lead video Stabilizer transform to the selected video processors
      playctrl.SelectedVideoProcessors.Add(playctrl.VideoProcessors(nIndex))

      ' 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(0).HasDialog(ProcessorDlg.Properties) Then
         ' now show it to change some settings
         playctrl.SelectedVideoProcessors(0).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 18\Media"
End Class

using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;

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;


      // get index of lead video Stabilizer transform
      int nIndex = playctrl.VideoProcessors.IndexOf("{E2B6EDDE-38C5-11D5-91F6-00104BDB8FF9}");

      // add the lead video Stabilizer transform to the selected video processors
      playctrl.SelectedVideoProcessors.Add(playctrl.VideoProcessors[nIndex]);

      // 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[0].HasDialog(ProcessorDlg.Properties))
      {
         // now show it to change some settings
         playctrl.SelectedVideoProcessors[0].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 18\Media";
}

Target Platforms

Reference

Processor Class
Processor Members