PSWindowsDotfiles

1.0.2

Helpers/New-FontResourceType.ps1

                                # File found in: $env:ChocolateyInstall/extensions/chocolatey-font-helpers/New-FontResourceType.ps1

<#

.SYNOPSIS

   Defines a font resource type.

.DESCRIPTION

   This private function defines a font resource type from C# code 

   with methods to add a font resource and to remove a font resource.

.EXAMPLE

   PS C:\> New-FontResourceType

   PS C:\> [FontResource.AddRemoveFonts]::AddFont($localfontPath)

.INPUTS

   none

.OUTPUTS

   none

.NOTES

   The C# code borrows heavily from the code downloadable here:

   https://blogs.technet.microsoft.com/deploymentguys/2010/12/04/adding-and-removing-fonts-with-windows-powershell/

   It does not appear to work with UNC paths.

#>

Function New-FontResourceType {

   $fontCSharpCode = @'

   using System;

   using System.Collections.Generic;

   using System.Text;

   using System.IO;

   using System.Runtime.InteropServices;

   namespace FontResource {

       public class AddRemoveFonts {

           private static IntPtr HWND_BROADCAST = new IntPtr(0xffff);

           [DllImport("gdi32.dll")]

           static extern int AddFontResource(string lpFilename);

           [DllImport("gdi32.dll")]

           static extern int RemoveFontResource(string lpFileName);

           [return: MarshalAs(UnmanagedType.Bool)]

           [DllImport("user32.dll", SetLastError = true)]

           private static extern bool PostMessage(IntPtr hWnd, WM Msg, IntPtr wParam, IntPtr lParam);

           public enum WM : uint {

               FONTCHANGE = 0x001D

           }

           public static int AddFont(string fontFilePath) {

               FileInfo fontFile = new FileInfo(fontFilePath);

               if (!fontFile.Exists) { throw new FileNotFoundException("Font file not found"); }

               try {

                   int retVal = AddFontResource(fontFilePath);

                   bool posted = PostMessage(HWND_BROADCAST, WM.FONTCHANGE, IntPtr.Zero, IntPtr.Zero);

                   return retVal;

               }

               catch { throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()); }

           }

           public static int RemoveFont(string fontFileName) {

               try {

                   int retVal = RemoveFontResource(fontFileName);

                   bool posted = PostMessage(HWND_BROADCAST, WM.FONTCHANGE, IntPtr.Zero, IntPtr.Zero);

                   return retVal;

               }

               catch { throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()); }

           }

       }

   }

'@

   Add-Type $fontCSharpCode

}