Option Strict On Option Explicit On 'This constant indicates whether the Application Framework is in use. #Const APPLICATION_FRAMEWORK = True #If APPLICATION_FRAMEWORK Then #If NET5_0 And Not NET6_0 Then Imports System.Collections.ObjectModel Namespace My Partial Friend Class MyApplication Public Event ApplyHighDpiMode(sender As Object, e As ApplyHighDpiModeEventArgs) Private _highDpiMode As HighDpiMode? Friend Shadows Property HighDpiMode As HighDpiMode Get Return If( _highDpiMode Is Nothing, Application.HighDpiMode, _highDpiMode.Value) End Get Set(value As HighDpiMode) _highDpiMode = value End Set End Property ' IMPORTANT: ' If this method causes an compilation error after you've unchecked 'Application Framework' ' in the project properties, go to the top of this file and change the value to 'False' in this line: ' #Const APPLICATION_FRAMEWORK = False ' For more about using WinForms without the Application Framework ' see: https://aka.ms/visualbasic-appframework-net5 Protected Overrides Function OnInitialize(commandLineArgs As ReadOnlyCollection(Of String)) As Boolean Dim eventArgs = New ApplyHighDpiModeEventArgs( If( _highDpiMode Is Nothing, HighDpiMode.SystemAware, _highDpiMode.Value)) RaiseEvent ApplyHighDpiMode(Me, eventArgs) Windows.Forms.Application.SetHighDpiMode(eventArgs.HighDpiMode) Return MyBase.OnInitialize(commandLineArgs) End Function End Class Public Class ApplyHighDpiModeEventArgs Inherits EventArgs Public Sub New(highDpiMode As HighDpiMode) Me.HighDpiMode = highDpiMode End Sub Public Property HighDpiMode As HighDpiMode End Class End Namespace #End If ' #If NET5_0 And Not NET6_0 #End If ' #If APPLICATION_FRAMEWORK