PdfGetModificationDate Method (GdViewer)
In This Topic
Returns the date and time, when the currently displayed PDF document was most recently modified, 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 PdfGetModificationDate() As String
public string PdfGetModificationDate()
public function PdfGetModificationDate(): String;
public function PdfGetModificationDate() : String;
public: string* PdfGetModificationDate();
public:
String^ PdfGetModificationDate();
Return Value
The value of the document's ModDate property as a string. The
GetStat method can be subsequently used to determine if this method has been successful.
Example
How to get the date when the displayed PDF document was last modified.
'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.PdfGetModificationDate")
Else
MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.PdfGetModificationDate")
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.PdfGetModificationDate");
}
else
MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.PdfGetModificationDate");
Example
How to get the date when the displayed PDF document was last modified.
'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.PdfGetModificationDate")
Else
MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.PdfGetModificationDate")
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.PdfGetModificationDate");
}
else
MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.PdfGetModificationDate");
See Also