FUNCTION:  MsgBox( )
Implemented in version 1.0
 
MsgBox(Prompt, Buttons, Title)
 
MsgBox(Prompt, Buttons, HelpFile, Context)
 
The MsgBox function creates a dialog box with a specified message and prompts the user to click a button, upon which the dialog box closes and a value relating to which button was clicked is returned. These values, along with their Constants, are listed in the table below.

CONSTANT VALUE BUTTON
VBOK 1 OK
VBCancel 2 Cancel
VBAbort 3 Abort
VBRetry 4 Retry
VBIgnore 5 Ignore
VBYes 6 Yes
VBNo 7 No

 
Click on the buttons to see a display of the various available types of Message Box.
 
OK
OK, Cancel
Abort, Retry, Ignore
Yes, No, Cancel
Yes, No
Retry, Cancel
 
Critical OK
Warning Query OK
Warning Message OK
Info O
Warning Query, Abort, Retry, Cancel
 
There is one mandatory argument.
 
Prompt
 
The Prompt argument is the message string that appears in the message box.
 
The default message box is the OK.
 
Code:
< INPUT TYPE="BUTTON" NAME="button0" VALUE="Click Here!" >
 
< SCRIPT LANGUAGE="VBScript" >
Sub button0_onclick
   MsgBox "Please Click OK"
End Sub
< /SCRIPT >
 
Output:

 

There are four optional arguments.
 
Buttons
 
The optional Buttons argument must only use the constant or value in the MsgBox CONSTANTS.
 
CONSTANT VALUE DESCRIPTION
VBOKOnly 0 Show OK button
VBOKCancel 1 Show OK and cancel buttons
VBAbortRetryIgnore 2 Show abort, retry, ignore buttons
VBYesNoCancel 3 Show yes, no cancel buttons
VBYesNo 4 Show yes, no buttons
VBRetryCancel 5 Show retry, cancel buttons
VBCritical 16 Show critical message icon
VBQuestion 32 Show warning query button
VBExclamation 48 Show warning message icon
VBInformation 64 Show information message icon
VBDefaultButton1 0 First button is default
VBDefaultButton2 256 Second button is default
VBDefaultButton3 512 Third button is default
VBDefaultButton4 768 Fourth button is default
VBApplicationModal 0 Demands that the user respond to the dialog before allowing continuation of work in current application
VBSystemModal 4096 Causes suspension of all applications until the user responds to the dialog

 
Code:
< INPUT TYPE="BUTTON" NAME="button_1" VALUE="Click Here!"> >
 
< SCRIPT LANGUAGE="VBScript" >
Sub button_1_onclick
   MsgBox "Please Click OK", VBOKCancel
End Sub
< /SCRIPT >
 
Output:

 
Note you may use either the Title argument or the HelpFile, Context arguments. You cannot use both at the same time.
 
Title
 
The optional Title argument is the title that appears at the top of the message box window.
 
Code:
< INPUT TYPE="BUTTON" NAME="button_2" VALUE="Click Here!"> >
 
< SCRIPT LANGUAGE="VBScript" >
Sub button_2_onclick
   MsgBox "Please Click!", VBRetryCanel, "MsgBox Demo"
End Sub
< /SCRIPT >
 
Output:

 
HelpFile
 
The optional HelpFile argument is a string that specifies the help file that you wish to display. This must be either a .chm or .hlp file.
 
Context
 
The optional Context argument specifies the help context number in the help file of the topic you wish to display. If you have created your own custom help file, then the Context argument is mandatory.
 
Code:
MsgBox "Date is not valid", vbMsgBoxHelpButton, "help_folder/date_help_file.hlp", 71
 
Output:
Not demonstrated.


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