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





In This Topic
    PdfGetCreationDate Method (GdViewer)
    In This Topic
    Returns the date and time, when the currently displayed PDF document was created, as it 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 PdfGetCreationDate() As String
    public string PdfGetCreationDate()
    public function PdfGetCreationDate(): String; 
    public function PdfGetCreationDate() : String;
    public: string* PdfGetCreationDate(); 
    public:
    String^ PdfGetCreationDate(); 

    Return Value

    The value of the document's CreationDate 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. It is recommend to use the GetStat method to identify the specific reason for the method's failure, if any.
    Example
    How to get the date when the displayed PDF document was created.
    '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 + "Title: " + GdViewer1.PdfGetTitle() +
                       vbCrLf + "Creation Date: " + GdViewer1.PdfGetCreationDate() +
                       vbCrLf + "Modification Date: " + GdViewer1.PdfGetModificationDate()
        Else
            message += vbCrLf + "This file is not a PDF document, its format is: " + GdViewer1.GetDocumentType().ToString()
        End If
        MessageBox.Show(message, "GdViewer.PdfGetCreationDate")
    Else
        MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.PdfGetCreationDate")
    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 += "\nTitle: " + GdViewer1.PdfGetTitle() +
                       "\nCreation Date: " + GdViewer1.PdfGetCreationDate() +
                       "\nModification Date: " + GdViewer1.PdfGetModificationDate();
        }
        else
        {
            message += "\nThis file is not a PDF document, its format is: " + GdViewer1.GetDocumentType().ToString();
        }
        MessageBox.Show(message, "GdViewer.PdfGetCreationDate");
    }
    else
        MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.PdfGetCreationDate");
    See Also