PlayAudio Method

Visual Basic
C#
Objective-C
Java
C++

public virtual void PlayAudio()

'Declaration
 
Public Overridable Sub PlayAudio()

'Usage
 
Dim instance As AnnAutomation
 
instance.PlayAudio()

public:
virtual void PlayAudio();

AnnAutomation can play one or more AnnAudioObject if they are currently in edit mode (selected) and the value of the CanPlay property is true.

Use the CanPlayAudio property to determine whether you can call this method.

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

Copy Code

Imports Leadtools
Imports Leadtools.Annotations
Imports Leadtools.WinForms
Imports Leadtools.Drawing

Public Sub AnnAutomation_PlayAudio(ByVal automation As AnnAutomation, ByVal audioFilename As String)
   ' make sure no objects are selected
   automation.SelectNone()
   ' see if we can play audio (should say no)
   If (Not automation.CanPlayAudio) Then
      MessageBox.Show("Cannot play audio")
   End If

   ' add an audio object and select it
   Dim audio As AnnAudioObject = New AnnAudioObject()
   audio.Bounds = New AnnRectangle(100, 100, 200, 200, AnnUnit.Pixel)
   automation.Container.Objects.Add(audio)
   automation.StartEditing(audio, False)

   ' see if we can play audio 
   ' (should say no, since the audio object does not have an audio file in the filename yet)
   If (Not automation.CanPlayAudio) Then
      MessageBox.Show("Cannot play audio")
   End If

   ' set up the filename for this audio object
   audio.FileName = audioFilename

   ' see if we can play audio (should play it now)
   If automation.CanPlayAudio Then
      automation.PlayAudio()
   End If
End Sub

using Leadtools;
using Leadtools.Annotations;
using Leadtools.WinForms;
using Leadtools.Drawing;

public void AnnAutomation_PlayAudio(AnnAutomation automation, string audioFilename)
{
   // make sure no objects are selected
   automation.SelectNone();
   // see if we can play audio (should say no)
   if(!automation.CanPlayAudio)
      MessageBox.Show("Cannot play audio");

   // add an audio object and select it
   AnnAudioObject audio = new AnnAudioObject();
   audio.Bounds = new AnnRectangle(100, 100, 200, 200, AnnUnit.Pixel);
   automation.Container.Objects.Add(audio);
   automation.StartEditing(audio, false);

   // see if we can play audio 
   // (should say no, since the audio object does not have an audio file in the filename yet)
   if(!automation.CanPlayAudio)
      MessageBox.Show("Cannot play audio");

   // set up the filename for this audio object
   audio.FileName = audioFilename;

   // see if we can play audio (should play it now)
   if(automation.CanPlayAudio)
      automation.PlayAudio();
}

Target Platforms

Reference

AnnAutomation Class
AnnAutomation Members