Author: Tomas Rutkauskas

How to install a new font through code

Answer:

1   uses
2     Registry;
3   
4   procedure TForm1.Button1Click(Sender: TObject);
5   var
6     reg: TRegistry;
7     b: bool;
8   begin
9     CopyFile('C:\DOWNLOAD\FP000100.TTF', 'C:\WINDOWS\FONTS\FP000100.TTF', b);
10    reg := TRegistry.Create;
11    reg.RootKey := HKEY_LOCAL_MACHINE;
12    reg.LazyWrite := false;
13    reg.OpenKey('Software\Microsoft\Windows\CurrentVersion\Fonts', false);
14    reg.WriteString('TESTMICR (TrueType)', 'FP000100.TTF');
15    reg.CloseKey;
16    reg.free;
17    {Add the font resource}
18    AddFontResource('c:\windows\fonts\FP000100.TTF');
19    SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0);
20    {Remove the resource lock}
21    RemoveFontResource('c:\windows\fonts\FP000100.TTF');
22    SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0);
23  end;