public void ChangeIcon(CautionState state)
{
Uri imageUri;
switch (state)
{
case CautionState.Informational:
imageUri = new Uri("pack://application:,,,/WindowsInfo.png", UriKind.RelativeOrAbsolute);
break;
case CautionState.Fleeing:
imageUri = new Uri("pack://application:,,,/WindowsWarning.png", UriKind.RelativeOrAbsolute);
break;
case CautionState.Panicing:
imageUri = new Uri("pack://application:,,,/WindowsError.png", UriKind.RelativeOrAbsolute);
break;
default:
imageUri = new Uri("pack://application:,,,/WindowsInfo.png", UriKind.RelativeOrAbsolute);
break;
}
PngBitmapDecoder decoder = new PngBitmapDecoder(imageUri, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
BitmapSource bitmapSource = decoder.Frames[0];
m_Icon.Source = bitmapSource;
}
// Determines which state to be in based on the distance from the cursor to the window
private void DetermineState()
{
CautionState oldState = state;
double dst = window.GetDistance();
if (dst < PanicDst)
{
state = CautionState.Panicing;
}
else if (dst < FleeDst)
{
state = CautionState.Fleeing;
}
else
{
state = CautionState.Informational;
}
if (oldState != state)
{
StateChanged();
}
}
