C# 安装字体

InstalledFontCollection MyFont = new InstalledFontCollection();
FontFamily[] MyFontFamilies = MyFont.Families;
List<string> installedFontNames = new List<string>();
int Count = MyFontFamilies.Length;
for (int i = 0; i < Count; i++)
{
    string FontName = MyFontFamilies[i].Name;
    installedFontNames.Add(FontName);
}

string fontDir = Application.StartupPath + "\\Fonts";
if (Directory.Exists(fontDir))
{
    string[] fontFiles = Directory.GetFiles(fontDir);
    foreach (string fontFile in fontFiles)
    {
        string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fontFile);
        if (!installedFontNames.Contains(fileNameWithoutExtension))
        {

        }
    }
}

[DllImport("kernel32.dll", SetLastError = true)]
static extern int WriteProfileString(string lpszSection, string lpszKeyName, string lpszString);

[DllImport("user32.dll")]
public static extern int SendMessage(int hWnd, // handle to destination window 
uint Msg, // message 
int wParam, // first message parameter 
int lParam // second message parameter 
);

[DllImport("gdi32")]
public static extern int AddFontResource(string lpFileName);

private void InstallFont(string fontPath)
{
    string fontFileName = Path.GetFileName(fontPath);
    string fontNameWithoutExtenstion = Path.GetFileNameWithoutExtension(fontPath);
    string WinFontDir = Environment.GetEnvironmentVariable("WINDIR") + "\\fonts";
    string FontPath = WinFontDir + "\\" + fontFileName;
    if (!File.Exists(FontPath))
    {
        File.Copy(fontPath, FontPath);
        AddFontResource(FontPath);
        WriteProfileString("fonts", fontNameWithoutExtenstion + "(TrueType)", fontFileName);
    }
}

public static Font CreateFont(string fontName, float height, FontStyle fontStyle = FontStyle.Bold)
{
    Font font;
    if (File.Exists(Application.StartupPath + "\\Fonts\\" + fontName + ".ttf"))
    {
        PrivateFontCollection privateFonts = new PrivateFontCollection();
        privateFonts.AddFontFile(Application.StartupPath + "\\Fonts\\" + fontName + ".ttf");
        font = new Font(privateFonts.Families[0], height, fontStyle);
    }
    else
    {
        font = new Font(fontName, height);
    }

    return font;
}

public static Font CreateFont(Setting setting)
{
    setting.FontFamily = setting.FontFamily ?? "";
    PrivateFontCollection p_Font = new PrivateFontCollection();
    var o = Properties.Resources.ResourceManager.GetObject(setting.FontFamily);
    if (o is byte[])
    {
        byte[] b_Font = o as byte[];
        IntPtr MeAdd = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(byte)) * b_Font.Length);
        Marshal.Copy(b_Font, 0, MeAdd, b_Font.Length);
        p_Font.AddMemoryFont(MeAdd, b_Font.Length);
        return new Font(p_Font.Families[0], 14.25F, FontStyle.Bold);
    }

    return new Font("宋体", 14.25f, FontStyle.Bold);
}