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Change Clear-Host back to using $RAWUI and clear to work over remoting #8609

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Merged
daxian-dbw merged 1 commit into from
Jan 10, 2019
Merged

Change Clear-Host back to using $RAWUI and clear to work over remoting #8609

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22 changes: 20 additions & 2 deletions src/System.Management.Automation/engine/InitialSessionState.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -4069,12 +4069,30 @@ internal void ImportCmdletsFromAssembly(Assembly assembly, PSModuleInfo module)
/// </summary>
internal static string GetClearHostFunctionText()
{
return @"
[Console]::Clear()
if (Platform.IsWindows)
{
// use $RawUI so this works over remoting where there isn't a physical console
return @"
$RawUI = $Host.UI.RawUI
$RawUI.CursorPosition = @{X=0;Y=0}
$RawUI.SetBufferContents(
@{Top = -1; Bottom = -1; Right = -1; Left = -1},
@{Character = ' '; ForegroundColor = $rawui.ForegroundColor; BackgroundColor = $rawui.BackgroundColor})
# .Link
# https://go.microsoft.com/fwlink/?LinkID=225747
# .ExternalHelp System.Management.Automation.dll-help.xml
";
}
else
{
// Porting note: non-Windows platforms use `clear`
return @"
& (Get-Command -CommandType Application clear | Select-Object -First 1).Definition
# .Link
# https://go.microsoft.com/fwlink/?LinkID=225747
# .ExternalHelp System.Management.Automation.dll-help.xml
";
}
}

/// <summary>
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