ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework.Dialogs Namespace / MessageBox Class / Show Method / Show(String,String,String) Method
The message.
The window caption.
Help ID.
Version

Show(String,String,String) Method
Displays a message box that has a message and title bar caption; and that returns a result.
Syntax

Parameters

messageText
The message.
caption
The window caption.
helpContextID
Help ID.

Return Value

Specifies which message box button the user clicked.
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also