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




Vintasoft.Twain Namespace > Device Class : PageSize Property
Gets or sets the page size for current scan session.
Syntax
'Declaration
 
Public Property PageSize As PageSize
'Usage
 
Dim instance As Device
Dim value As PageSize
 
instance.PageSize = value
 
value = instance.PageSize
public PageSize PageSize {get; set;}
public: __property PageSize get_PageSize();
public: __property void set_PageSize( 
   PageSize value
);
public:
property PageSize PageSize {
   PageSize get();
   void set (    PageSize 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 pages sizes can be received by the GetSupportedPageSizes method.

This property has effect only if you do not use User Interface (ShowUI=False).
Example
This example shows how to acquire A4 black-white images from the device.
Public Sub ScanPage(ByVal device As Device)
    device.ShowUI = False
    device.DisableAfterAcquire = True
            
    device.Open()
    device.PixelType = PixelType.BW
    device.PageSize = PageSize.A4
    device.PageOrientation = PageOrientation.Landscape
    device.UnitOfMeasure = UnitOfMeasure.Inches
    device.Resolution = New Resolution(300.0F, 300.0F)
            
    device.Acquire()
End Sub
public void ScanPage(Device device)
{
    device.ShowUI = false;
    device.DisableAfterAcquire = true;
            
    device.Open();
    device.PixelType = PixelType.BW;
    device.PageSize = PageSize.A4;
    device.PageOrientation = PageOrientation.Landscape;
    device.UnitOfMeasure = UnitOfMeasure.Inches;
    device.Resolution = new Resolution(300f, 300f);
            
    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
GetSupportedPageSizes Method
Open Method