National Instruments 320682C

Chapter 9 X Property Library

Table 9-3. X Property Library Error Types and Descriptions

Constant Name Value Description

NoXErr 0 The function was successful.

InvalidParamXErr -1 The value passed to one or more of the parameters

was invalid. Refer to each function description for

specific information.

InvalidDisplayXErr -2 The display argument is not a valid display. The

value for this argument must either be the value

returned by ConnectToXDisplay or be the

predefined value CVIXDisplay.

InvalidWindowXErr -3 The window argument is not a valid window.

InstallXPropertyCallback—One or more

of the windows in the windowList argument are not

valid.

InvalidPropertyXErr -4 The property argument is not a valid property

handle. This argument must be the value returned

by CreateXProperty.

InstallXPropertyCallback—One or more

of the property handles in the propertyList

argument are not valid.

InvalidPropTypeXErr -5 The propertyType argument is not a valid property

type. This value must either be one of the

predefined property types or be a value returned by

CreateXPropType.

TooManyConnectionsXErr -6 The program has already made the maximum

number of connections as defined by the constant

MAX_X_DISPLAYS. Use

DisconnectFromXDisplay to allow more

connections.

CannotConnectXErr -7 The connection could not be made to the X server.

This happens for a number of reasons including an

invalid display name, a network problem, or a

security problem.

DupPropertyXErr -8 A property with the same propertyName, but with

different propertyType already exists.

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