VintaSoft Twain .NET SDK v10.2
ImageFilter Property (Device)
Example 




Vintasoft.Twain Namespace > Device Class : ImageFilter Property
Gets or sets the image filter for current scan session.
Syntax
'Declaration
 
Public Property ImageFilter As ImageFilter
'Usage
 
Dim instance As Device
Dim value As ImageFilter
 
instance.ImageFilter = value
 
value = instance.ImageFilter
public ImageFilter ImageFilter {get; set;}
public: __property ImageFilter get_ImageFilter();
public: __property void set_ImageFilter( 
   ImageFilter value
);
public:
property ImageFilter ImageFilter {
   ImageFilter get();
   void set (    ImageFilter value);
}
Exceptions
ExceptionDescription
Thrown if device is in wrong state.
Thrown if device does not support capability.
Thrown if the .NET debugger is used and the function evaluation requires all threads to run.
Remarks
Call this property only when device is opened (State == DeviceState.Opened).

Supported pixel types can be received by the GetSupportedImageFilters method.
Example
This example shows how to apply Green filter to images acquired from the device.
Public Sub ScanColorImageWithImageFilter(ByVal device As Device)
    device.ShowUI = False
    device.DisableAfterAcquire = True
            
    device.Open()
    device.PixelType = PixelType.RGB
    device.UnitOfMeasure = UnitOfMeasure.Inches
    device.Resolution = New Resolution(300.0F, 300.0F)
    device.ImageFilter = ImageFilter.Green
            
    device.Acquire()
End Sub
public void ScanColorImageWithImageFilter(Device device)
{
    device.ShowUI = false;
    device.DisableAfterAcquire = true;
            
    device.Open();
    device.PixelType = PixelType.RGB;
    device.UnitOfMeasure = UnitOfMeasure.Inches;
    device.Resolution = new Resolution(300f, 300f);
    device.ImageFilter = ImageFilter.Green;
            
    device.Acquire();
}
Requirements

Target Platforms: Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server 2012, Windows Server 2008, Windows Server 2003

See Also

Reference

Device Class
Device Members
GetSupportedImageFilters Method
Open Method