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[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 WinFontDir = "C:\\windows\\fonts";
string FontFileName = "DS-Digital Bold Italic.TTF";
string FontName = "DS-Digital Bold Italic";
int Ret;
int Res;
string FontPath;
const int WM_FONTCHANGE = 0x001D;
const int HWND_BROADCAST = 0xffff;
FontPath = WinFontDir + "\\" + FontFileName;
if (!File.Exists(FontPath))
{
File.Copy(System.Windows.Forms.Application.StartupPath + "\\DS-Digital Bold Italic.TTF", FontPath);
Ret = AddFontResource(FontPath);
Res = SendMessage(HWND_BROADCAST, WM_FONTCHANGE, 0, 0);
Ret = WriteProfileString("fonts", FontName + "(TrueType)", FontFileName);
}
}