VintaSoft Twain .NET SDK v10.2
Set(String) Method




Vintasoft.WpfTwain Namespace > DeviceImageLayout Class > Set Method : Set(String) Method
Coordinate values the image layout rectangle in the following format: "left top right bottom".
Sets the image layout rectangle of document/page/frame.
Syntax
'Declaration
 
Public Overloads Sub Set( _
   ByVal frame As String _
) 
'Usage
 
Dim instance As DeviceImageLayout
Dim frame As String
 
instance.Set(frame)
public void Set( 
   string frame
)
public: void Set( 
   string* frame
) 
public:
void Set( 
   String^ frame
) 

Parameters

frame
Coordinate values the image layout rectangle in the following format: "left top right bottom".
Exceptions
ExceptionDescription
Thrown if frame is null.
Thrown if frame contains numbers in not a valid format.
Thrown if frame contains number less than System.Single.MinValue or greater than System.Single.MaxValue.
Thrown if the .NET debugger is used and the function evaluation requires all threads to run.
Remarks
The image layout rectangle defines what portion of the device's scanning area will be acquired.

Document number can be set using the DocumentNumber property, Page number can be set using the PageNumber property, Frame number can be set using the FrameNumber property

Call this method only when device is opened (State == DeviceState.Opened).

This method has effect only if you do not use the User Interface (ShowUI=false).

This method should be used in programming environments which cannot work with referred float value, for example, in JavaScript.
Example
Please see example here.
Requirements

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

See Also

Reference

DeviceImageLayout Class
DeviceImageLayout Members
Overload List
Open Method
GetAsString Method
SetLayout Method