public virtual bool HasDialog(
ConvertDlg dialog
)
public:
virtual bool HasDialog(
ConvertDlg dialog
)
dialog
Value that specifies which dialog's availability is being queried. This value must be one of the ConvertDlg enumeration.
true if the specified property dialog is available; otherwise, it is false.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
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.wmv");
try
{
// set the source for conversion
convertctrl.SourceFile = inFile;
// select the target format
convertctrl.TargetFormat = TargetFormatType.WMV;
// select video and audio target formats for the output
int index = -1;
TargetVideoFormats targetvideoformats = convertctrl.TargetFormats[convertctrl.TargetFormat].VideoFormats;
index = targetvideoformats.IndexOf("{33564D57-0000-0010-8000-00AA00389B71}");// Windows Media Video 9 (WMV)
targetvideoformats.Selection = index;
TargetAudioFormats targetaudioformats = convertctrl.TargetFormats[convertctrl.TargetFormat].AudioFormats;
index = targetaudioformats.IndexOf("{00000161-0000-0010-8000-00AA00389B71}");// Windows Media Audio (WMA)
targetaudioformats.Selection = index;
// set the target output file and format
convertctrl.TargetFile = outFile;
// 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:\LEADTOOLS22\Media";
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.