Leadtools.Multimedia Namespace > ConvertCtrl Class : StillCaptureLimit Property |
public virtual int StillCaptureLimit {get; set;}
'Declaration Public Overridable Property StillCaptureLimit As Integer
'Usage Dim instance As ConvertCtrl Dim value As Integer instance.StillCaptureLimit = value value = instance.StillCaptureLimit
public virtual int StillCaptureLimit {get; set;}
get_StillCaptureLimit();
set_StillCaptureLimit(value);
Public _result As Boolean = False Public _form As ConvertCtrlForm = New ConvertCtrlForm() Public _convertctrl As ConvertCtrl = Nothing Public _bmpFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_SaveStillBitmap.bmp") Public Sub SaveStillBitmapExample() ' input and output file names Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi") Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_SaveStillBitmapExample.mpg") Try ' reference the convert control _convertctrl = _form.ConvertCtrl ' set a timer on the form to make the still bitmap _form.TestTimer.Interval = 5000 AddHandler _form.TestTimer.Tick, AddressOf SaveStillBitmap_Helper ' enable still capture _convertctrl.EnableStillCapture = True ' set the time window limit for capture of stills (ms) _convertctrl.StillCaptureLimit = 100000 ' set the compressor to DVVideo _convertctrl.VideoCompressors.DVVideo.Selected = True ' set the source and target files _convertctrl.SourceFile = inFile _convertctrl.TargetFile = outFile ' convert it now! _convertctrl.StartConvert() ' now start the test timer for the still capture _form.TestTimer.Start() 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 Public Sub SaveStillBitmap_Helper(ByVal sender As Object, ByVal e As EventArgs) ' cancel the timer _form.TestTimer.Stop() ' try to simulate an error condition _convertctrl.SaveStillBitmap(_bmpFile, StillFormatType.BMP, 0, 0, -1) ' check for the capture file and set the result If File.Exists(Path.Combine(Directory.GetCurrentDirectory(), _bmpFile)) Then _result = True End If 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 ConvertCtrlForm _form = new ConvertCtrlForm(); public ConvertCtrl _convertctrl = null; public string _bmpFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_SaveStillBitmap.bmp"); public void SaveStillBitmapExample() { // input and output file names string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.avi"); string outFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_SaveStillBitmapExample.mpg"); try { // reference the convert control _convertctrl = _form.ConvertCtrl; // set a timer on the form to make the still bitmap _form.TestTimer.Interval = 5000; _form.TestTimer.Tick += new EventHandler(SaveStillBitmap_Helper); // enable still capture _convertctrl.EnableStillCapture = true; // set the time window limit for capture of stills (ms) _convertctrl.StillCaptureLimit = 100000; // set the compressor to DVVideo _convertctrl.VideoCompressors.DVVideo.Selected = true; // set the source and target files _convertctrl.SourceFile = inFile; _convertctrl.TargetFile = outFile; // convert it now! _convertctrl.StartConvert(); // now start the test timer for the still capture _form.TestTimer.Start(); } 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(); } public void SaveStillBitmap_Helper(object sender, EventArgs e) { // cancel the timer _form.TestTimer.Stop(); // try to simulate an error condition _convertctrl.SaveStillBitmap(_bmpFile, StillFormatType.BMP, 0, 0, -1); // check for the capture file and set the result if (File.Exists(Path.Combine(Directory.GetCurrentDirectory(), _bmpFile))) _result = true; } static class LEAD_VARS { public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media"; }
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