Example





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GdPicture14.WPF Namespace / GdViewer Class / PdfGetCreationDate Method

PdfGetCreationDate Method (GdViewer)

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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. The GetStat method can be subsequently used to determine if this method has been successful.
Remarks
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

Reference

GdViewer Class
GdViewer Members
GetLastPath Method
GetDocumentType Method
PdfGetAuthor Method
PdfGetCreator Method
PdfGetProducer Method
PdfGetModificationDate Method