C# Signature:
[DllImport("gdi32.dll")]
static extern bool RemoveFontResource(string lpFileName);
User-Defined Types:
None.
Notes:
None.
Tips & Tricks:
Please add some!
Sample Code:
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Runtime.InteropServices;
namespace FontResource
{
class Program
{
private static IntPtr HWND_BROADCAST = new IntPtr(0xffff);
private static IntPtr HWND_TOP = new IntPtr(0);
private static IntPtr HWND_BOTTOM = new IntPtr(1);
private static IntPtr HWND_TOPMOST = new IntPtr(-1);
private static IntPtr HWND_NOTOPMOST = new IntPtr(-2);
private static IntPtr HWND_MESSAGE = new IntPtr(-3);
[DllImport("gdi32.dll")]
static extern int AddFontResource(string lpFilename);
[DllImport("gdi32.dll")]
static extern bool RemoveFontResource(string lpFileName);
[DllImport("user32.dll",CharSet=CharSet.Auto)]
private static extern int SendMessage(IntPtr hWnd, WindowsMessages wMsg, IntPtr wParam, IntPtr lParam);
static void Main(string[] args)
{
if (args.Length < 2) { Usage(); return; }
FileInfo fontFile = new FileInfo(args[1]);
if (!fontFile.Exists)
{
Console.WriteLine("Font file not found.\n");
Usage();
return;
}
switch (args[0]) {
case "add" :
AddFontResource(args[1]);
break;
case "rem" :
RemoveFontResource(args[1]);
break;
default :
Usage();
return;
}
//This version of SendMessage is a blocking call until all windows respond.
long result = SendMessage(HWND_BROADCAST, WindowsMessages.WM_FONTCHANGE, IntPtr.Zero, IntPtr.Zero);
Console.WriteLine(String.Format("WM_FONTCHANGE broadcast returned {0}", result));
}
public static void Usage()
{
Console.WriteLine("FontResource [add|rem] <font>");
Console.WriteLine("\nAny changes will not persist a reboot - to do so, remove the font entry from the registry.");
}
public enum WindowsMessages
{
//Snipped for length - see the list of WM_ calls on this site.
}
Alternative Managed API:
Do you know one? Please contribute it!
