Reference Guide
GdPicture14.WPF Namespace / GdViewer Class / PdfGetProducer Method
Example





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    PdfGetProducer Method (GdViewer)
    In This Topic
    Returns the producer of the currently displayed PDF document, if any is set in the document information dictionary. If the document currently displayed in the GdViewer control is not the PDF file, the method will fail.
    Syntax
    'Declaration
     
    
    Public Function PdfGetProducer() As String
    public string PdfGetProducer()
    public function PdfGetProducer(): String; 
    public function PdfGetProducer() : String;
    public: string* PdfGetProducer(); 
    public:
    String^ PdfGetProducer(); 

    Return Value

    The value of the document's Producer property as a string. Please always use the GetStat method to determine if this method has been successful.
    Remarks
    Please note that this method is only meaningful for PDF documents, otherwise it returns an empty string. We strongly recommend using the GetStat method to identify the specific reason for the method's failure.
    Example
    How to get the producer of the displayed PDF document.
    'We assume that the GdViewer1 control has been properly integrated.
    If GdViewer1.DisplayFromFile("") = GdPictureStatus.OK Then
        Dim message As String = "The current file is: " + GdViewer1.GetLastPath()
        If GdViewer1.GetDocumentType() = DocumentType.DocumentTypePDF Then
            message += vbCrLf + "Author: " + GdViewer1.PdfGetAuthor() +
                       vbCrLf + "Creator: " + GdViewer1.PdfGetCreator() +
                       vbCrLf + "Producer: " + GdViewer1.PdfGetProducer()
        Else
            message += vbCrLf + "This file is not a PDF document, its format is: " + GdViewer1.GetDocumentType().ToString()
        End If
        MessageBox.Show(message, "GdViewer.PdfGetProducer")
    Else
        MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.PdfGetProducer")
    End If
    //We assume that the GdViewer1 control has been properly integrated.
    if (GdViewer1.DisplayFromFile("") == GdPictureStatus.OK)
    {
        string message = "The current file is: " + GdViewer1.GetLastPath();
        if (GdViewer1.GetDocumentType() == DocumentType.DocumentTypePDF)
        {
            message += "\nAuthor: " + GdViewer1.PdfGetAuthor() +
                       "\nCreator: " + GdViewer1.PdfGetCreator() +
                       "\nProducer: " + GdViewer1.PdfGetProducer();
        }
        else
        {
            message += "\nThis file is not a PDF document, its format is: " + GdViewer1.GetDocumentType().ToString();
        }
        MessageBox.Show(message, "GdViewer.PdfGetProducer");
    }
    else
        MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.PdfGetProducer");
    See Also