public ImageSwapper()
{
_imageResource = new AsyncImageResource();
_imageResource.Property = _propertyOne;
_imageResource.ImageLoadingComplete += new AsyncImageLoadComplete(imageResource_ImageLoadingComplete);
}
// Once image loading is complete this method is called and the visibility of the
// two GUIImages is swapped.
private void imageResource_ImageLoadingComplete(AsyncImageResource image)
{
lock (loadingLock) {
if (_guiImageOne == null)
return;
if (_filename == null) {
if (_guiImageOne != null) _guiImageOne.Visible = false;
if (_guiImageTwo != null) _guiImageTwo.Visible = false;
return;
}
_guiImageOne.ResetAnimations();
if (_guiImageTwo != null) _guiImageTwo.ResetAnimations();
// if we have a second backdrop image object, alternate between the two
if (_guiImageTwo != null) {
if (_imageResource.Property.Equals(_propertyOne)) {
_guiImageOne.Visible = _active;
_guiImageTwo.Visible = false;
}
else {
_guiImageOne.Visible = false;
_guiImageTwo.Visible = _active;
}
imagesNeedSwapping = true;
}
// if no 2nd backdrop control, just update normally
else _guiImageOne.Visible = _active;
if (_loadingImage != null) _loadingImage.Visible = false;
}
}