Leadtools.MediaFoundation Namespace > CaptureCtrl Class : ToggleFullScreenMode Method |
'Declaration Public Overridable Sub ToggleFullScreenMode()
'Usage Dim instance As CaptureCtrl instance.ToggleFullScreenMode()
public virtual void ToggleFullScreenMode()
public: virtual void ToggleFullScreenMode();
If the method fails, an error is raised. For more information, refer to the Error Codes.
Imports Leadtools Imports Leadtools.MediaFoundation Imports LeadtoolsMediaFoundationExamples.Fixtures Public _result As Boolean = False Public _exit As Boolean = False Public _form As New CaptureCtrlForm() Public Sub KeyPressesExample() Dim capturectrl As CaptureCtrl = _form.CaptureCtrl Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_KeyPressesExample.avi") Try ' set a video device, use the name of your device here If capturectrl.VideoDevices("Analog") Is Nothing Then Throw New Exception("No Analog capture device available") End If capturectrl.VideoDevices("Analog").Selected = True ' set an audio device, use the name of your device here capturectrl.AudioDevices("USB").Selected = True ' enable preview capturectrl.Preview = True ' set the target output file capturectrl.TargetFile = outFile ' subscribe to the key events AddHandler capturectrl.KeyDown, AddressOf KeyDown_Helper AddHandler capturectrl.KeyUp, AddressOf KeyUp_Helper AddHandler capturectrl.KeyPress, AddressOf KeyPress_Helper ' capture it now! capturectrl.StartCapture(CaptureMode.AutoFramesAndAudio) Catch generatedExceptionName 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. While _exit = False Application.DoEvents() End While ' clean up event handlers RemoveHandler capturectrl.KeyDown, AddressOf KeyDown_Helper RemoveHandler capturectrl.KeyUp, AddressOf KeyUp_Helper RemoveHandler capturectrl.KeyPress, AddressOf KeyPress_Helper End Sub Private Sub KeyPress_Helper(ByVal sender As Object, ByVal e As Leadtools.MediaFoundation.KeyPressEventArgs) Select Case e.keyAscii Case CShort("p") ' toggle preview mode _form.CaptureCtrl.TogglePreview() Case CShort("f") ' toggle full screen mode _form.CaptureCtrl.ToggleFullScreenMode() Case CShort("s") ' stop the capture and exit _form.CaptureCtrl.StopCapture() _exit = True End Select ' set result _result = True End Sub Private Sub KeyUp_Helper(ByVal sender As Object, ByVal e As KeyUpEventArgs) ' set result _result = True End Sub Public Sub KeyDown_Helper(ByVal sender As Object, ByVal e As KeyDownEventArgs) ' set result _result = True 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 bool _exit = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); public void KeyPressesExample() { CaptureCtrl capturectrl = _form.CaptureCtrl; string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_KeyPressesExample.avi"); try { // set a video device, use the name of your device here if (capturectrl.VideoDevices["Analog"] == null) throw new Exception("No Analog capture device available"); capturectrl.VideoDevices["Analog"].Selected = true; // set an audio device, use the name of your device here capturectrl.AudioDevices["USB"].Selected = true; // enable preview capturectrl.Preview = true; // set the target output file capturectrl.TargetFile = outFile; // subscribe to the key events capturectrl.KeyDown += KeyDown_Helper; capturectrl.KeyUp += KeyUp_Helper; capturectrl.KeyPress += KeyPress_Helper; // capture it now! capturectrl.StartCapture(CaptureMode.AutoFramesAndAudio); } 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 (_exit == false) Application.DoEvents(); // clean up event handlers capturectrl.KeyDown -= KeyDown_Helper; capturectrl.KeyUp -= KeyUp_Helper; capturectrl.KeyPress -= KeyPress_Helper; } void KeyPress_Helper(object sender, Leadtools.MediaFoundation.KeyPressEventArgs e) { switch ((char)e.keyAscii) { case 'p': // toggle preview mode _form.CaptureCtrl.TogglePreview(); break; case 'f': // toggle full screen mode _form.CaptureCtrl.ToggleFullScreenMode(); break; case 's': // stop the capture and exit _form.CaptureCtrl.StopCapture(); _exit = true; break; } // set result _result = true; } void KeyUp_Helper(object sender, KeyUpEventArgs e) { // set result _result = true; } public void KeyDown_Helper(object sender, KeyDownEventArgs e) { // set result _result = true; } static class LEAD_VARS { public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"; }