Registers the current graph and runs the DirectShow GraphEdit utility.
Syntax
Visual Basic (Declaration) | |
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Public Overridable Sub EditGraph() |
Visual Basic (Usage) | Copy Code |
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Dim instance As ConvertCtrl
instance.EditGraph() |
C# | |
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public virtual void EditGraph() |
C++/CLI | |
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public:
virtual void EditGraph(); |
Example
Visual Basic | Copy Code |
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Public _result As Boolean = False
Public _form As ConvertCtrlForm = New ConvertCtrlForm()
Public Sub EditGraphExample()
' reference the convert control
Dim convertctrl As ConvertCtrl = _form.ConvertCtrl
' input and output file names
Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.mpeg")
Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_EditGraphExample.mpg")
Try
' set the source and target files
convertctrl.SourceFile = inFile
convertctrl.TargetFile = outFile
' set the preview
convertctrl.Preview = True
' set a video compressor
convertctrl.VideoCompressors.Mpeg4.Selected = True
' register the graph for GraphEdit
' you should see a message box that says the graph is registered
' once this message displays you can open GraphEdit and Connect to Remote Graph
convertctrl.EditGraph()
' run the convert
convertctrl.StartConvert()
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 convertctrl.State = ConvertState.Running
Application.DoEvents()
Loop
' set the result
_result = True
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 |
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public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public void EditGraphExample()
{
// reference the convert control
ConvertCtrl convertctrl = _form.ConvertCtrl;
// input and output file names
string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.mpeg");
string outFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_EditGraphExample.mpg");
try
{
// set the source and target files
convertctrl.SourceFile = inFile;
convertctrl.TargetFile = outFile;
// set the preview
convertctrl.Preview = true;
// set a video compressor
convertctrl.VideoCompressors.Mpeg4.Selected = true;
// register the graph for GraphEdit
// you should see a message box that says the graph is registered
// once this message displays you can open GraphEdit and Connect to Remote Graph
convertctrl.EditGraph();
// run the convert
convertctrl.StartConvert();
}
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 (convertctrl.State == ConvertState.Running)
Application.DoEvents();
// set the result
_result = true;
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media";
} |
Remarks
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