Checks Message Type from Dialog
DESCRIPTION:
These functions can be used to check the type of message that is
being sent from the dialog subsystem when a callback function is
called.
Only of these functions will return
TRUE
when the callback
function is called.
USAGE:
cbIsApplyMessage(dfProps)
cbIsCancelMessage(dfProps)
cbIsInitDialogMessage(dfProps)
cbIsOkMessage(dfProps)
cbIsUpdateMessage(dfProps)
REQUIRED ARGUMENTS:
- dfProps
-
input data frame to the callback function.
VALUE:
a logical value.
This will be
TRUE
for:
cbIsApplyMessage
if the Apply button
was clicked in the dialog;
cbIsCancelMessage
if the Cancel button was clicked in the dialog;
cbIsInitDialogMessage
if this is the initial call, before the dialog is
displayed;
cbIsOkMessage
if the OK button was clicked in the dialog;
cbIsUpdateMessage
if a field in the dialog has just been updated.
EXAMPLES:
See the example file samples/dialogs/propcomm.ssc where samples is in your S-PLUS directory.