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# |
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public StatusCode GetPreviousLength( ScreenPosition position, ref int length, FieldType fieldType ) |
| Visual Basic (Declaration) |
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Public Function GetPreviousLength ( _ position As ScreenPosition, _ ByRef length As Integer, _ fieldType As FieldType _ ) As StatusCode |
| Visual C++ |
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public: virtual StatusCode GetPreviousLength( ScreenPosition position, int% length, FieldType fieldType ) sealed |
| JavaScript |
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function GetPreviousLength(position, length, fieldType); |
Parameters
position Type: JollyGiant.Emulation..::.ScreenPositionCurrent ScreenPosition.
length Type: System..::.Int32 %Will on return contain the length of the IField.
fieldType Type: JollyGiant.Emulation..::.FieldTypeFieldType 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 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. |
Implements
IField..::.GetPreviousLength(ScreenPosition, Int32%, FieldType)Remarks
The attribute byte of a IField is not included in it's length.