ShowYesNoCancel - cWebApp

Parameter	Description
hoCallBack	Handle of callback object
hmCallback	Handle of callback message
sMessage	Message title
sOptCaption	(Optional) Message title
eOptDfltBtn	(Optional) The button that should act as the default button (when Enter is pressed on the keyboard)

Procedure ShowYesNoCancel Handle hoCallBack Handle hmCallback String sMessage String sOptCaption Integer eOptDfltBtn

Call:

Send ShowYesNoCancel hoCallBack hmCallback sMessage sOptCaption eOptDfltBtn

The ShowYesNoCancel message is used to handle yes/no/cancel confirmations.

Using Callbacks

ShowYesNoCancel uses the concept of a callback object and message. These are passed to the procedure and passed to the client. Upon completion, the client makes a server call, which will send a callback message to the callback object passing the results of the confirmation. Therefore, a confirmation must consist of code for creating the confirmation and a method handler to handle the response.

Valid values for the callback message parameter are:

Constant	Meaning
cmClose	Dialog was closed
cmYes	Dialog Yes button was clicked
cmNo	Dialog No button was clicked
cmCancel	Dialog was cancelled

Refer to the ShowYesNo topic's example as a guide on how to implement ShowYesNoCancel.