Gets the length of the previous field of the specified FieldType, starting at the specified screen position.

Namespace: JollyGiant.Emulation
Assembly: JGSComdotNet (in JGSComdotNet.dll) Version: 1.0.0.0 (1.0.0.0)

Syntax

C#
public StatusCode GetPreviousLength( ScreenPosition position, ref int length, FieldType fieldType )

Visual Basic (Declaration)
Public Function GetPreviousLength ( _ position As ScreenPosition, _ ByRef length As Integer, _ fieldType As FieldType _ ) As StatusCode

Visual C++
public: virtual StatusCode GetPreviousLength( ScreenPosition position, int% length, FieldType fieldType ) sealed

JavaScript
function GetPreviousLength(position, length, fieldType);

position

length

Will on return contain the length of the IField.

fieldType

FieldType of field to get the length for.

The StatusCode indicating the result of the operation.

This can be one of the following values:

Status code	Description
WHLLOK	The specified field length was found.
WHLLNOTCONNECTED	Your application is not currently connected to a host session.
WHLLPARAMETERERROR	One or more of the call parameters are invalid.
WHLLPOSITIONERROR	The specified presentation space position is invalid.
WHLLSYSERROR	The method failed due to a system error.
WHLLNOFIELD	The specified field was not found, or the session presentation space is unformatted.
WHLLZEROLENFIELD	The specified field has a length of zero.

Remarks

The attribute byte of a IField is not included in it's length.