SendDlgItemMessage (hDlgMessage, IDC_MESSAGE, WM_SETFONT, (WPARAM)myGetSysFont(), 0L);
SendDlgItemMessage (hDlgMessage, IDC_MESSAGE, WM_SETFONT, (WPARAM)sgInstallGui.definedFont, 0L);
void ShowMessage(LPSTR szMessage, BOOL bShow){  char szBuf[MAX_BUF];   if(sgProduct.dwMode != SILENT)  {    if((bShow) && (hDlgMessage == NULL))    {      ZeroMemory(szBuf, sizeof(szBuf));      GetPrivateProfileString("Messages", "MB_MESSAGE_STR", "", szBuf, sizeof(szBuf), szFileIniInstall);      hDlgMessage = InstantiateDialog(hWndMain, DLG_MESSAGE, szBuf, DlgProcMessage);      SendMessage(hDlgMessage, WM_COMMAND, IDC_MESSAGE, (LPARAM)szMessage);      SendDlgItemMessage (hDlgMessage, IDC_MESSAGE, WM_SETFONT, (WPARAM)myGetSysFont(), 0L);    }    else if(!bShow && hDlgMessage)    {      DestroyWindow(hDlgMessage);      hDlgMessage = NULL;    }  }}