VintaSoft Twain .NET SDK 15.4: Documentation for .NET developer
Vintasoft.Twain Namespace / DeviceImageLayout Class / Set Methods / Set(Single,Single,Single,Single) Method
Syntax Exceptions Remarks Example Requirements SeeAlso
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Set(Single,Single,Single,Single) Method (DeviceImageLayout)
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Sets the image layout rectangle of document/page/frame.
Syntax
'Declaration

Public Overloads Sub Set( _
ByVal left
Value of the left coordinate of the image layout rectangle.
As Single, _
ByVal top
Value of the top coordinate of the image layout rectangle.
As Single, _
ByVal right
Value of the right coordinate of the image layout rectangle.
As Single, _
ByVal bottom
Value of the bottom coordinate of the image layout rectangle.
As Single _
)

Parameters

left
Value of the left coordinate of the image layout rectangle.
top
Value of the top coordinate of the image layout rectangle.
right
Value of the right coordinate of the image layout rectangle.
bottom
Value of the bottom coordinate of the image layout rectangle.
Exceptions
ExceptionDescription
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).

Example

Please see example here: DeviceImageLayout.

Requirements

Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

See Also