Leadtools.Multimedia Namespace > TargetFormat Class : ShowCacheDialog Method |
public void ShowCacheDialog( TargetFormatDlg Dialog, IWin32Window hWnd )
'Declaration Public Sub ShowCacheDialog( _ ByVal Dialog As TargetFormatDlg, _ ByVal hWnd As IWin32Window _ )
'Usage Dim instance As TargetFormat Dim Dialog As TargetFormatDlg Dim hWnd As IWin32Window instance.ShowCacheDialog(Dialog, hWnd)
public void ShowCacheDialog( TargetFormatDlg Dialog, IWin32Window hWnd )
public: void ShowCacheDialog( TargetFormatDlg Dialog, IWin32Window^ hWnd )
Public _result As Boolean = False Public _form As CaptureCtrlForm = New CaptureCtrlForm() Public Sub HasCacheDialogExample() ' reference the capture control Dim capturectrl As CaptureCtrl = _form.CaptureCtrl Try ' set a video device first, you should use your video device name here If capturectrl.VideoDevices("Analog") Is Nothing Then Throw New Exception("No Analog audio device available") End If capturectrl.VideoDevices("Analog").Selected = True ' set the video compressor capturectrl.VideoCompressors.Mpeg2.Selected = True ' reference the target formats collection Dim fmt As TargetFormat = capturectrl.TargetFormats.MPEG2Program ' enumerate through the list of formats For Each af As TargetFormat In capturectrl.TargetFormats ' check the formats valid compressor and stream type Dim isValid As Boolean = (af.IsValidCompressor(capturectrl.VideoCompressors.Mpeg2.Name) = TargetFormatCompressor.Valid) Dim types As StreamFormatType = af.Streams ' if valid, select it If isValid AndAlso ((types And StreamFormatType.Video) = StreamFormatType.Video) Then fmt = af fmt.Selected = True Exit For End If Next af ' check to see if the current target format has a cache dialog If Not fmt Is Nothing AndAlso fmt.HasCacheDialog(TargetFormatDlg.VideoCompressor) Then ' show the dialog fmt.ShowCacheDialog(TargetFormatDlg.VideoCompressor, _form) ' set the result _result = True End If Catch e1 As Exception _result = False End Try End Sub
public bool _result = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); public void HasCacheDialogExample() { // reference the capture control CaptureCtrl capturectrl = _form.CaptureCtrl; try { // set a video device first. use your video device's name here if (capturectrl.VideoDevices["Analog"] == null) throw new Exception("No Analog audio device available"); capturectrl.VideoDevices["Analog"].Selected = true; // set the video compressor capturectrl.VideoCompressors.Mpeg2.Selected = true; // reference the target formats collection TargetFormat fmt = capturectrl.TargetFormats.MPEG2Program; // enumerate through the list of formats foreach (TargetFormat af in capturectrl.TargetFormats) { // check the formats valid compressor and stream type bool isValid = (af.IsValidCompressor(capturectrl.VideoCompressors.Mpeg2.Name) == TargetFormatCompressor.Valid); StreamFormatType types = af.Streams; // if valid, select it if (isValid && ((types & StreamFormatType.Video) == StreamFormatType.Video)) { fmt = af; fmt.Selected = true; break; } } // check to see if the current target format has a cache dialog if (fmt != null && fmt.HasCacheDialog(TargetFormatDlg.VideoCompressor)) { // show the dialog fmt.ShowCacheDialog(TargetFormatDlg.VideoCompressor, _form); // set the result _result = true; } } catch (Exception) { _result = false; } }
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