IsStrictlyDeviceGray Method

Determines if the page strictly uses the color space DeviceGray for visible graphics.

Syntax

public bool IsStrictlyDeviceGray( 
   int pageNumber
)

public: bool IsStrictlyDeviceGray( 
   int pageNumber
)

public:
bool IsStrictlyDeviceGray( 
   int pageNumber
)

'Declaration
 
Public Function IsStrictlyDeviceGray( _
   ByVal pageNumber As Integer _
) As Boolean

'Usage
 
Dim instance As Document
Dim pageNumber As Integer
Dim value As Boolean
 
value = instance.IsStrictlyDeviceGray(pageNumber)

Parameters

pageNumber: An integer value which represents a page number of the current document.

Exceptions

Exception	Description
PageMissingGraphicsException	Thrown when no visible graphics are found on the page.
System.ArgumentOutOfRangeException	Thrown when an invalid pageNumber is input.

Example

using(PdfXpress pdf = new PdfXpress())
{
    pdf.Initialize(null, null);
            
    using(Document doc =new Document(pdf,"input.pdf"))
    {
        bool isDeviceGray = doc.IsStrictlyDeviceGray(0);
        MessageBox.Show("IsStrictlyDeviceGray reported {0}", isDeviceGray.ToString());
    }
}

Reference

Document Class
Document Members