ApplicationBase Class
Provides properties, methods, and events related to the current application.
Microsoft.VisualBasic.ApplicationServices::ApplicationBase
Microsoft.VisualBasic.ApplicationServices::ConsoleApplicationBase
Assembly: Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)
The ApplicationBase type exposes the following members.
| Name | Description | |
|---|---|---|
![]() | Culture | Gets the culture that the current thread uses for string manipulation and string formatting. |
![]() | Info | Gets an object that provides properties for getting information about the application's assembly, such as the version number, description, and so on. |
![]() | Log | Gets an object that provides properties and methods for writing event and exception information to the application's log listeners. |
![]() | UICulture | Gets the culture that the current thread uses for retrieving culture-specific resources. |
| Name | Description | |
|---|---|---|
![]() | ChangeCulture | Changes the culture used by the current thread for string manipulation and for string formatting. |
![]() | ChangeUICulture | Changes the culture that the current thread uses for retrieving culture-specific resources. |
![]() | Equals(Object) | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
![]() | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
![]() | GetEnvironmentVariable | Returns the value of the specified environment variable. |
![]() | GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
![]() | GetType | Gets the Type of the current instance. (Inherited from Object.) |
![]() | MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
![]() | ToString | Returns a string that represents the current object. (Inherited from Object.) |
The properties exposed by the My.Application object return data that is associated only with the current application or DLL. No system-level information can be altered with My.Application.
The My.Application object consists of the following classes:
ApplicationBase provides members that are available in all projects.
WindowsFormsApplicationBase provides members that are available in Windows Forms applications.
ConsoleApplicationBase provides members that are available in console applications.
Note |
|---|
The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: Resources. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes. |
This example uses the My.Application.GetEnvironmentVariable method to get and display the value of the PATH environment variable, if this value is available. Otherwise, it displays a message that indicates that the PATH environment variable does not exist.
Private Sub TestGetEnvironmentVariable() Try MsgBox("PATH = " & My.Application.GetEnvironmentVariable("PATH")) Catch ex As System.ArgumentException MsgBox("Environment variable 'PATH' does not exist.") End Try End Sub
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
