IPTCCount Method (GdViewer)
Returns the total number of IPTC tags embedded within the document displayed in the GdViewer control.
These tags, also known as document's metadata, allows for additional information to be stored within a document.
public function IPTCCount(): Integer;
public function IPTCCount() : int;
'Declaration
Public Function IPTCCount() As Integer
Return Value
The total number of IPTC tags embedded within the displayed document. The
GdViewer.GetStat method can be subsequently used to determine if this method has been successful.
How to find out the number of IPTC tags embedded in the displayed document.
'We assume that the GdViewer1 control has been properly integrated
'and your document has been properly displayed as well.
Dim count As Integer = GdViewer1.IPTCCount()
If GdViewer1.GetStat() = GdPictureStatus.OK Then
Dim message As String = "IPTC Tags count: " + count + vbCrLf
Dim tagID As IPTCTags = IPTCTags.IPTCTagUnknown
Dim tagValue As String = ""
For i As Integer = 1 To count
tagID = GdViewer1.IPTCGetID(i)
If GdViewer1.GetStat() = GdPictureStatus.OK Then
tagValue = GdViewer1.TagGetValueString(i)
End If
If GdViewer1.GetStat() = GdPictureStatus.OK Then
message = message + vbCrLf + tagID + ": " + tagValue
Else
message = message + vbCrLf + "Tag nr." + i + " Status: " + GdViewer1.GetStat().ToString()
End If
Next
MessageBox.Show(message, "GdViewer.IPTCCount")
Else
MessageBox.Show("The number of IPTC tags can't be found. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.IPTCCount")
End If
//We assume that the GdViewer1 control has been properly integrated
//and your document has been properly displayed as well.
int count = GdViewer1.IPTCCount();
if (GdViewer1.GetStat() == GdPictureStatus.OK)
{
string message = "IPTC Tags count: " + count + "\n";
IPTCTags tagID = IPTCTags.IPTCTagUnknown;
string tagValue = "";
for (int i = 1; i <= count; i++)
{
tagID = GdViewer1.IPTCGetID(i);
if (GdViewer1.GetStat() == GdPictureStatus.OK)
tagValue = GdViewer1.TagGetValueString(i);
if (GdViewer1.GetStat() == GdPictureStatus.OK)
message = message + "\n" + tagID + ": " + tagValue;
else
message = message + "\nTag nr." + i + " Status: " + GdViewer1.GetStat().ToString();
}
MessageBox.Show(message, "GdViewer.IPTCCount");
}
else
MessageBox.Show("The number of IPTC tags can't be found. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.IPTCCount");
