WireLess Studio Widgets Developer's Guide

GetLastErrorCode

Call this method to retrieve the last error code.

Parameters

Return Value

GetLastErrorCode return the last error code set by the methods of the classes WStWiget, WStForm and WStFactory.

Remarks

The error code can be one of the following:

• WS_NO_ERROR: No error
• WS_NOT_ENOUGH_MEMORY : Not enough memory to complete the operation
• WS_DUPLICATED_OBJECT: Can't create a widget with the same unique id or name.
• WS_CANT_CLONE_OBJECT: The object can't be cloned. e.g.: The Function Keys Controller.
• WS_OBJECT_NOT_FOUND: The given id or name doesn't match with any of the created widgets.
• WS_FORM_NOT_FOUND : The given id or name doesn't match with any of the created forms.
• WS_FORM_NOT_LOADED : A form is denominated loaded when is currently in the stack of the forms being displayed in the mobile unit.
• WS_MAX_NUMBER_OF_DISPLAY_OBJECTS_REACHED: The total of widgets that can be attached to a form is 205. When this limit is exceed this error is set.
• WS_CANT_ADD_OBJECT : The widget can't be added.
• WS_OBJECT_ALREADY_ATTACHED : The widget can't be attached twice on a form.
• WS_FORM_SERIALIZATION_FAILED : An error has occurred when trying to serialize the form.
• WS_OBJECT_IS_TOO_BIG : The widget is too big to be serialized.
• WS_INVALID_PARAMS : The given parameter is invalid.
• WS_INVALID_OBJECT_TYPE: The given object type is invalid.
• WS_FORM_IS_BEING_DISPLAYED : The form is currently being displayed.
• WS_CANT_READ_OBJECT_FROM_FILE : The file is corrupted or can't be found.
• WS_FUNCTION_FAILED : The operation has failed.
• WS_CANT_CREATE_NEW_OBJECT : The maximum limit of widgets has been reached.
• WS_CANT_CREATE_NEW_FORM : The maximum limit of forms has been reached.
• WS_CONNECTION_LOST : The connection with the mobile unit has been lost.
• WS_UNEXPECTED_ERROR : An unexpected error has occurred.

Those values can be found on the WSTErrorCodes enumeration.

Example

using WirelessStudioOleWidgets;
WStError oError = new WStError();
WStForm oForm = new WStForm ();
oForm.EndCurrentForm();
int iLastErrorCode = oError.GetLastErrorCode();

Public wsError As New WStError
Public wsForm As New WStForm
Dim lErrorCode as Long
wsForm.EndCurrentForm
lErrorCode = wsError.GetLastErrorCode

See also

GetLastErrorDescription | EnableDebugMode

WStWiget class reference | WStForm class reference | WStFactory class reference | WStError class reference