Leadtools.Multimedia Namespace > ConvertCtrl Class : ShowDialog Method |
public virtual void ShowDialog( ConvertDlg dialog, IWin32Window hWnd )
'Declaration Public Overridable Sub ShowDialog( _ ByVal dialog As ConvertDlg, _ ByVal hWnd As IWin32Window _ )
'Usage Dim instance As ConvertCtrl Dim dialog As ConvertDlg Dim hWnd As IWin32Window instance.ShowDialog(dialog, hWnd)
public virtual void ShowDialog( ConvertDlg dialog, IWin32Window hWnd )
public: virtual void ShowDialog( ConvertDlg dialog, IWin32Window^ hWnd )
For more information, refer to the Error Codes.
Public _result As Boolean = False Public _form As ConvertCtrlForm = New ConvertCtrlForm() Public Sub HasDialogExample() ' reference the convert control Dim convertctrl As ConvertCtrl = _form.ConvertCtrl ' input and output files Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi") Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_HasDialogExample.avi") Try ' set the source for conversion convertctrl.SourceFile = inFile ' set the video and audio compressors convertctrl.VideoCompressors.Mpeg2.Selected = True convertctrl.AudioCompressors.AC3.Selected = True ' set the target output file and format convertctrl.TargetFile = outFile ' set the target output format convertctrl.TargetFormat = TargetFormatType.AVI ' The HasDialog method tells us that the control ' can display the desired settings dialog. ' check to see if the convert source dialog is available If convertctrl.HasDialog(ConvertDlg.TargetFormat) Then ' now show it convertctrl.ShowDialog(ConvertDlg.TargetFormat, _form) _result = True End If ' start the capture process convertctrl.StartConvert() ' 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 ' see if there was an error If convertctrl.ConvertError <> 0 Then ' set the result to false _result = False End If Catch e1 As Exception _result = False End Try 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 void HasDialogExample() { // reference the convert control ConvertCtrl convertctrl = _form.ConvertCtrl; // input and output files string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.avi"); string outFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_HasDialogExample.avi"); try { // set the source for conversion convertctrl.SourceFile = inFile; // set the video and audio compressors convertctrl.VideoCompressors.Mpeg2.Selected = true; convertctrl.AudioCompressors.AC3.Selected = true; // set the target output file and format convertctrl.TargetFile = outFile; // set the target output format convertctrl.TargetFormat = TargetFormatType.AVI; // The HasDialog method tells us that the control // can display the desired settings dialog. // check to see if the convert source dialog is available if (convertctrl.HasDialog(ConvertDlg.TargetFormat)) { // now show it convertctrl.ShowDialog(ConvertDlg.TargetFormat, _form); _result = true; } // start the capture process convertctrl.StartConvert(); // 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(); // see if there was an error if (convertctrl.ConvertError != 0) { // set the result to false _result = false; } } catch (Exception) { _result = false; } } 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