DetectOrient(IntPtr) Method

In This Topic

Detects the orientation of the given image represented by an unmanaged pointer to a GDI object.

Syntax

public OCROrientationMode DetectOrient( 
   IntPtr handle
)

public: OCROrientationMode DetectOrient( 
   IntPtr handle
)

public:
OCROrientationMode DetectOrient( 
   IntPtr handle
)

'Declaration
 
Public Overloads Function DetectOrient( _
   ByVal handle As IntPtr _
) As OCROrientationMode

'Usage
 
Dim instance As Reader
Dim handle As IntPtr
Dim value As OCROrientationMode
 
value = instance.DetectOrient(handle)

OCROrientationMode from detection

Exceptions

Exception	Description
BitDepthException	Supported bit depths are 1-, 8-, 24- and 32-bits per pixel.
System.FormatException	The image data cannot be read for format reasons other than an unsupported bit depth.
InvalidLicenseException	An invalid license is being used.
InvalidAreaException	An area coordinate is outside the current image.
System.ArgumentNullException	Input parameter cannot be null.