Dim caption As String = "Example: RotatePage"
Dim gdpicturePDF As New GdPicturePDF()
If gdpicturePDF.LoadFromFile("test.pdf", False) = GdPictureStatus.OK Then
Dim count As Integer = gdpicturePDF.GetPageCount()
Dim status As GdPictureStatus = gdpicturePDF.GetStat()
If status = GdPictureStatus.OK Then
For i As Integer = 1 To count
status = gdpicturePDF.SelectPage(i)
If status = GdPictureStatus.OK Then
status = gdpicturePDF.RotatePage(i * 90)
If status = GdPictureStatus.OK Then
Dim rotation As Integer = gdpicturePDF.GetPageRotation()
status = gdpicturePDF.GetStat()
If status = GdPictureStatus.OK Then
MessageBox.Show("The rotation angle of the page nr." + i.ToString() + " is " + rotation.ToString() + " degrees.", caption)
Else
MessageBox.Show("The GetPageRotation() method has failed with the status: " + status.ToString(), caption)
End If
If i = count Then
If gdpicturePDF.SaveToFile("test_RotatePage.pdf") = GdPictureStatus.OK Then
MessageBox.Show("The pages have been rotated successfully and the file has been saved.", caption)
Else
MessageBox.Show("The pages have been rotated successfully but the file can't be saved.", caption)
End If
End If
Else
MessageBox.Show("The RotatePage() method has failed with the status: " + status.ToString(), caption)
Exit For
End If
Else
MessageBox.Show("The SelectPage() method has failed with the status: " + status.ToString(), caption)
Exit For
End If
Next
Else
MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), caption)
End If
Else
MessageBox.Show("The file can't be loaded.", caption)
End If
gdpicturePDF.Dispose()
string caption = "Example: RotatePage";
GdPicturePDF gdpicturePDF = new GdPicturePDF();
if (gdpicturePDF.LoadFromFile("test.pdf", false) == GdPictureStatus.OK)
{
int count = gdpicturePDF.GetPageCount();
GdPictureStatus status = gdpicturePDF.GetStat();
if (status == GdPictureStatus.OK)
{
for (int i = 1; i <= count; i++)
{
status = gdpicturePDF.SelectPage(i);
if (status == GdPictureStatus.OK)
{
status = gdpicturePDF.RotatePage(i*90);
if (status == GdPictureStatus.OK)
{
int rotation = gdpicturePDF.GetPageRotation();
status = gdpicturePDF.GetStat();
if (status == GdPictureStatus.OK)
MessageBox.Show("The rotation angle of the page nr." + i.ToString() + " is " + rotation.ToString() + " degrees.", caption);
else
MessageBox.Show("The GetPageRotation() method has failed with the status: " + status.ToString(), caption);
if (i == count)
{
if (gdpicturePDF.SaveToFile("test_RotatePage.pdf") == GdPictureStatus.OK)
MessageBox.Show("The pages have been rotated successfully and the file has been saved.", caption);
else
MessageBox.Show("The pages have been rotated successfully but the file can't be saved.", caption);
}
}
else
{
MessageBox.Show("The RotatePage() method has failed with the status: " + status.ToString(), caption);
break;
}
}
else
{
MessageBox.Show("The SelectPage() method has failed with the status: " + status.ToString(), caption);
break;
}
}
}
else
MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), caption);
}
else
MessageBox.Show("The file can't be loaded.", caption);
gdpicturePDF.Dispose();