` | `Boolean` |
## Constant descriptions
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**AppSupportsDarkMode** As `Boolean`
> Returns `True` if the app is built with Supports Dark Mode property set to ON.
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**AppSupportsHiDPI** As `Boolean`
> Returns `True` if the app is built with Supports HiDPI property set to ON.
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**CurrentBuildTargetIs32Bit** As `Boolean`
> Returns `True` when doing a 32-bit build.
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**CurrentBuildTargetIs64Bit** As `Boolean`
> Returns `True` when doing a 64-bit build.
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**CurrentBuildTargetIsAndroid** As `Boolean`
> Returns `True` when doing a building an Android app.
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**CurrentBuildTargetIsARM** As `Boolean`
> Returns `True` when doing a build for a the ARM CPU architecture.
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**CurrentBuildTargetIsConsole** As `Boolean`
> Returns `True` when building a Console app.
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**CurrentBuildTargetIsDesktop** As `Boolean`
> Returns `True` when building a Desktop app.
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**CurrentBuildTargetIsIntel** As `Boolean`
> Returns `True` when doing a build for the Intel CPU architecture (x86 or x86-64).
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**CurrentBuildTargetIsIOS** As `Boolean`
> Returns `True` when building an iOS app.
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**CurrentBuildTargetIsLinux** As `Boolean`
> Returns `True` when doingn a Linux build.
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**CurrentBuildTargetIsMacOS** As `Boolean`
> Returns `True` when doing a macOS build.
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**CurrentBuildTargetIsUniversal** As `Boolean`
> Returns `True` when doing a macOS Universal build.
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**CurrentBuildTargetIsWeb** As `Boolean`
> Returns `True` when building a Web app.
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**CurrentBuildTargetIsWindows** As `Boolean`
> Returns `True` when doing a Windows build.
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**CurrentBuildTargetIsXojoCloud** As `Boolean`
> Returns `True` when doing a Xojo Cloud build.
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**CurrentScriptName** As `String`
> Returns the name of the script that is currently running.
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**DebugBuild** As `Boolean`
> Indicates if the app is being run in debug mode (`True`) or as a Build (`False`).
>
> Update an App constant to indicate the number of debug runs:
>
> ``` xojo
> If DebugBuild Then
> If SelectProjectItem("App") Then
> ' Constant kDebugRuns must exist on App
> Var value As Integer = Val(ConstantValue("kDebugRuns")) + 1
> ConstantValue("kDebugRuns") = value.ToString
> End If
> End If
> ```
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**PreBuild** As `Boolean`
> Returns `True` if the script is running before the Build step.
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**TargetLinux** As `Boolean`
> Indicates if the Xojo IDE is running on Linux.
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**TargetMacOS** As `Boolean`
> Indicates if the Xojo IDE is running on a Mac.
>
> If the project is being built on a Mac, then code sign it:
>
> ``` xojo
> If TargetMacOS Then
> Var command As String
> command = "codesign -f --deep -s ""Developer ID Application: YourName "" ""YourXojoApp.app """
> Var result As String
> result = DoShellCommand(command)
> End If
> ```
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**TargetWindows** As `Boolean`
> Indicates if the Xojo IDE is running on Windows.
>
> If the project is being built on Windows, start Inno Setup after the build is finished:
>
> ``` xojo
> If TargetWindows Then
> Var innoSetupPath As String
> innoSetupPath = "C:\\Program Files (x86)\Inno Setup 5/Compil32.exe"
> Var result As String
> Var resultCode As Integer
> result = DoShellCommand(innoSetupPath, 20000, resultCode)
> End If
> ```