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IField_GetPreviousLength Method
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IField_GetPreviousLength Method

Owned by Julio Rios (Unlicensed)
Last updated: May 15, 2017

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#
StatusCode GetPreviousLength(
	ScreenPosition position,
	ref int length,
	FieldType fieldType
)
Visual Basic (Declaration)
Function GetPreviousLength ( _
	position As ScreenPosition, _
	ByRef length As Integer, _
	fieldType As FieldType _
) As StatusCode
Visual C++
StatusCode GetPreviousLength(
	ScreenPosition position, 
	int% length, 
	FieldType fieldType
)
JavaScript
function GetPreviousLength(position, length, fieldType);


Parameters

position
Type: JollyGiant.Emulation..ScreenPosition
Current ScreenPosition.

length
Type: System..Int32
Will on return contain the length of the IField.

fieldType
Type: JollyGiant.Emulation..FieldType
FieldType of field to get the length for.

Return Value

The StatusCode indicating the result of the operation.

This can be one of the following values:

Status codeDescription
WHLLOKThe specified field length was found.
WHLLNOTCONNECTEDYour application is not currently connected to a host session.
WHLLPARAMETERERROROne or more of the call parameters are invalid.
WHLLPOSITIONERRORThe specified presentation space position is invalid.
WHLLSYSERRORThe method failed due to a system error.
WHLLNOFIELDThe specified field was not found, or the session presentation space is unformatted.
WHLLZEROLENFIELDThe specified field has a length of zero.


Remarks


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

See Also


IField Interface
JollyGiant.Emulation Namespace

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Copyright 2009 by Jolly Giant Software, Inc.



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