private void timLanguage_Tick(object sender, EventArgs e)
{
// Makes this window is topmost.
base.TopLevel = true;
base.TopMost = true;
// Finds active window.
IntPtr foregroundWindow = MainForm.GetForegroundWindow();
IntPtr hWnd = MainForm.ImmGetDefaultIMEWnd(foregroundWindow);
string activeWindowTitle = this.GetActiveWindowTitle();
MainForm.COPYDATASTRUCT copydatastruct = default(MainForm.COPYDATASTRUCT);
// Gets Caps lock state.
bool capsLock = (((ushort)GetKeyState(0x14)) & 0xffff) != 0;
// Gets the IME state.
IntPtr value = MainForm.SendMessage(hWnd, WM_IME_CONTROL, IMC_GETOPENSTATUS, ref copydatastruct);
bool flag = value == IntPtr.Zero;
String onColor = appSettings["OnColor"];
String offColor = appSettings["OffColor"];
if (flag)
{
// IME is off. It's English mode.
if (onColor != null)
{
this.BackColor = System.Drawing.ColorTranslator.FromHtml(offColor);
}
else
{
this.BackColor = Color.Red;
}
}
else
{
// IME is on. So, it's not English mode.
if (offColor != null)
{
this.BackColor = System.Drawing.ColorTranslator.FromHtml(onColor);
}
else
{
this.BackColor = Color.Blue;
}
}
if (capsLock)
{
this.Visible = !this.Visible;
}
else
{
this.Visible = true;
}
}
private static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, uint wParam, ref MainForm.COPYDATASTRUCT lParam);