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ScaleMode Property
See Also 
Leadtools.Multimedia Namespace > PlayCtrl Class : ScaleMode Property



Specifies the unit of measure for the control.

Syntax

Visual Basic (Declaration) 
Public Overridable Property ScaleMode As ScaleMode
Visual Basic (Usage)Copy Code
Dim instance As PlayCtrl
Dim value As ScaleMode
 
instance.ScaleMode = value
 
value = instance.ScaleMode
C# 
public virtual ScaleMode ScaleMode {get; set;}
C++/CLI 
public:
virtual property ScaleMode ScaleMode {
   ScaleMode get();
   void set (    ScaleMode value);
}

Property Value

A ScaleMode value representing the unit of measure.

Example

Visual BasicCopy Code
Public _result As Boolean = False
      Public _form As PlayCtrlForm = New PlayCtrlForm()
      Public Sub VideoWindowExample()
         ' 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 the video window handle
            Dim handle As IntPtr = playctrl.VideoWindow

            ' get the video and video window info
            Dim vwt As Single = playctrl.VideoWindowTop
            Dim vwl As Single = playctrl.VideoWindowLeft
            Dim vwh As Single = playctrl.VideoWindowHeight
            Dim vww As Single = playctrl.VideoWindowWidth
            Dim vh As Single = playctrl.VideoHeight
            Dim vw As Single = playctrl.VideoWidth

            Dim scm As ScaleMode = playctrl.ScaleMode
            Dim sch As Single = playctrl.ScaleHeight
            Dim scw As Single = playctrl.ScaleWidth
            Dim sct As Single = playctrl.ScaleTop
            Dim scl As Single = playctrl.ScaleLeft

            Dim sm As SizeMode = playctrl.VideoWindowSizeMode
            Dim isFullScreen As Boolean = playctrl.FullScreenMode

            ' check sizes for sizemode setting
            If vw > vww AndAlso vh > vwh AndAlso sm <> SizeMode.Fit Then
               playctrl.VideoWindowSizeMode = SizeMode.Fit
            ElseIf vw < vww AndAlso vh < vwh Then
               playctrl.VideoWindowSizeMode = SizeMode.Stretch
            End If

            ' set the play control to cover the form's client area
            playctrl.SetVideoWindowPos(0, 0, Me._form.ClientSize.Width, Me._form.ClientSize.Height)

            ' set the result to what we expect
            _result = (handle <> Nothing)

            ' run the video
            playctrl.Run()
         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 playctrl.State = PlayState.Running
            Application.DoEvents()
         Loop
      End Sub

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media"
End Class
C#Copy Code
public bool _result = false;
      public PlayCtrlForm _form = new PlayCtrlForm();
      public void VideoWindowExample()
      {
         // 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 the video window handle
            IntPtr handle = playctrl.VideoWindow;

            // get the video and video window info
            float vwt = playctrl.VideoWindowTop;
            float vwl = playctrl.VideoWindowLeft;
            float vwh = playctrl.VideoWindowHeight;
            float vww = playctrl.VideoWindowWidth;
            float vh = playctrl.VideoHeight;
            float vw = playctrl.VideoWidth;

            ScaleMode scm = playctrl.ScaleMode;
            float sch = playctrl.ScaleHeight;
            float scw = playctrl.ScaleWidth;
            float sct = playctrl.ScaleTop;
            float scl = playctrl.ScaleLeft;

            SizeMode sm = playctrl.VideoWindowSizeMode;
            bool isFullScreen = playctrl.FullScreenMode;

            // check sizes for sizemode setting
            if (vw > vww && vh > vwh && sm != SizeMode.Fit)
               playctrl.VideoWindowSizeMode = SizeMode.Fit;
            else if (vw < vww && vh < vwh)
               playctrl.VideoWindowSizeMode = SizeMode.Stretch;

            // set the play control to cover the form's client area
            playctrl.SetVideoWindowPos(0, 0, this._form.ClientSize.Width, this._form.ClientSize.Height);

            // set the result to what we expect
            _result = (handle != null);

            // run the video
            playctrl.Run();
         }
         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 (playctrl.State == PlayState.Running)
            Application.DoEvents();
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media";
}

Remarks

Assignment can raise an error exception. For more information, refer to the Error Codes.

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also