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enable dpi aware
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‎Source/Demo/App.config‎

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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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<System.Windows.Forms.ApplicationConfigurationSection>
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<add key="DpiAwareness" value="PerMonitorV2" />
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</System.Windows.Forms.ApplicationConfigurationSection>
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</configuration>

‎Source/Demo/Demo.csproj‎

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<UseWindowsForms>true</UseWindowsForms>
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<ImplicitUsings>enable</ImplicitUsings>
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<Platforms>AnyCPU;x64;x86</Platforms>
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<ApplicationManifest>app.manifest</ApplicationManifest>
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</PropertyGroup>
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<ItemGroup>

‎Source/Demo/Form1.cs‎

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canvas.Bitmap = new Bitmap(Environment.GetCommandLineArgs()[1], true);
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}
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protected override void OnDpiChanged(DpiChangedEventArgs e)
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{
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base.OnDpiChanged(e);
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}
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public static WicBitmapSource? FromBitmapSource(BitmapSource bmp)
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{
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if (bmp == null)

‎Source/Demo/Program.cs‎

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// To customize application configuration such as set high DPI settings or default font,
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// see https://aka.ms/applicationconfiguration.
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ApplicationConfiguration.Initialize();
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Application.SetHighDpiMode(HighDpiMode.PerMonitorV2);
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Application.Run(new Form1());
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}
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}

‎Source/Demo/app.manifest‎

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<?xml version="1.0" encoding="utf-8"?>
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<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
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<assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
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<trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
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<security>
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<requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
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<!-- UAC Manifest Options
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If you want to change the Windows User Account Control level replace the
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requestedExecutionLevel node with one of the following.
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<requestedExecutionLevel level="asInvoker" uiAccess="false" />
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<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
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<requestedExecutionLevel level="highestAvailable" uiAccess="false" />
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Specifying requestedExecutionLevel element will disable file and registry virtualization.
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Remove this element if your application requires this virtualization for backwards
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compatibility.
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-->
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<requestedExecutionLevel level="asInvoker" uiAccess="false" />
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</requestedPrivileges>
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</security>
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</trustInfo>
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<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
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<application>
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<!-- A list of the Windows versions that this application has been tested on
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and is designed to work with. Uncomment the appropriate elements
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and Windows will automatically select the most compatible environment. -->
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<!-- Windows Vista -->
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<!--<supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />-->
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<!-- Windows 7 -->
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<!--<supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />-->
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<!-- Windows 8 -->
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<!--<supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />-->
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<!-- Windows 8.1 -->
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<!--<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />-->
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<!-- Windows 10 -->
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<supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />
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</application>
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</compatibility>
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<!-- Indicates that the application is DPI-aware and will not be automatically scaled by Windows at higher
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DPIs. Windows Presentation Foundation (WPF) applications are automatically DPI-aware and do not need
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to opt in. Windows Forms applications targeting .NET Framework 4.6 that opt into this setting, should
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also set the 'EnableWindowsFormsHighDpiAutoResizing' setting to 'true' in their app.config.
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Makes the application long-path aware. See https://docs.microsoft.com/windows/win32/fileio/maximum-file-path-limitation -->
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<application xmlns="urn:schemas-microsoft-com:asm.v3">
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<windowsSettings>
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<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
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<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
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<longPathAware xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">true</longPathAware>
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</windowsSettings>
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</application>
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<!-- Enable themes for Windows common controls and dialogs (Windows XP and later) -->
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<!--
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<dependency>
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<dependentAssembly>
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<assemblyIdentity
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type="win32"
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name="Microsoft.Windows.Common-Controls"
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version="6.0.0.0"
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processorArchitecture="*"
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publicKeyToken="6595b64144ccf1df"
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language="*"
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/>
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</dependentAssembly>
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</dependency>
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-->
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</assembly>

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