public override void Load(Uri targetUri, Uri currentUri)
{
_loader = _parent.ContentLoader;
try
{
if (!_loader.CanLoad(targetUri, currentUri))
{
throw new CannotLoadException(_loader, targetUri, currentUri);
}
_result = _loader.BeginLoad(targetUri, currentUri, res =>
{
try
{
LoadResult lr = _loader.EndLoad(res);
if (lr.LoadedContent != null)
{
if (!(lr.LoadedContent is UserControl))
{
throw new InvalidContentException(
lr.LoadedContent);
}
Complete(lr.LoadedContent);
return;
}
Complete(lr.RedirectUri);
return;
}
catch (Exception e)
{
var ep = GetErrorPage(e);
if (ep == null)
{
Error(e);
return;
}
ErrorLoad(ep.Map(e), currentUri, e);
}
}, null);
}
catch (Exception e)
{
var ep = GetErrorPage(e);
if (ep == null)
{
Error(e);
return;
}
ErrorLoad(ep.Map(e), currentUri, e);
}
}
public override void Load(Uri targetUri, Uri currentUri)
{
_loader = _parent.ContentLoader ?? _defaultLoader;
if (_parent.Authorizer != null)
{
try
{
_parent.Authorizer.CheckAuthorization(_parent.Principal, targetUri, currentUri);
}
catch (Exception e)
{
Error(e);
return;
}
}
try
{
_result = _loader.BeginLoad(targetUri, currentUri, res =>
{
try
{
var loadResult = _loader.EndLoad(res);
if (loadResult.RedirectUri != null)
{
Complete(loadResult.RedirectUri);
}
else
{
Complete(loadResult.LoadedContent);
}
return;
}
catch (Exception e)
{
Error(e);
return;
}
}, null);
}
catch (Exception e)
{
Error(e);
return;
}
}
private void ErrorLoad(Uri errorTarget, Uri currentUri, Exception ex)
{
_loader = _parent.ErrorContentLoader ?? _parent.ContentLoader;
try
{
_result = _loader.BeginLoad(errorTarget, currentUri, res =>
{
try
{
LoadResult lr = _loader.EndLoad(res);
if (lr.LoadedContent != null)
{
if (lr.LoadedContent is DependencyObject)
{
SetError(
(lr.LoadedContent as DependencyObject),
ex);
}
Complete(lr.LoadedContent);
return;
}
Complete(lr.RedirectUri);
return;
}
catch (Exception e)
{
Error(e);
return;
}
}, null);
}
catch (Exception e)
{
Error(e);
return;
}
}
private void ErrorLoad(Uri errorTarget, Uri currentUri, Exception ex)
{
_loader = _parent.ErrorContentLoader ?? _parent.ContentLoader;
try
{
_result = _loader.BeginLoad(errorTarget, currentUri, res =>
{
try
{
LoadResult lr = _loader.EndLoad(res);
if (lr.LoadedContent != null)
{
if (lr.LoadedContent is DependencyObject)
SetError(
(lr.LoadedContent as DependencyObject),
ex);
Complete(lr.LoadedContent);
return;
}
Complete(lr.RedirectUri);
return;
}
catch (Exception e)
{
Error(e);
return;
}
}, null);
}
catch (Exception e)
{
Error(e);
return;
}
}
public override void Load(Uri targetUri, Uri currentUri)
{
_loader = _parent.ContentLoader;
try
{
if (!_loader.CanLoad(targetUri, currentUri))
throw new CannotLoadException(_loader, targetUri, currentUri);
_result = _loader.BeginLoad(targetUri, currentUri, res =>
{
try
{
LoadResult lr = _loader.EndLoad(res);
if (lr.LoadedContent != null)
{
if (!(lr.LoadedContent is UserControl))
throw new InvalidContentException(
lr.LoadedContent);
Complete(lr.LoadedContent);
return;
}
Complete(lr.RedirectUri);
return;
}
catch (Exception e)
{
var ep = GetErrorPage(e);
if (ep == null)
{
Error(e);
return;
}
ErrorLoad(ep.Map(e), currentUri, e);
}
}, null);
}
catch (Exception e)
{
var ep = GetErrorPage(e);
if (ep == null)
{
Error(e);
return;
}
ErrorLoad(ep.Map(e), currentUri, e);
}
}
public override void Load(Uri targetUri, Uri currentUri)
{
_loader = _parent.ContentLoader ?? _defaultLoader;
if (_parent.Authorizer != null)
{
try
{
_parent.Authorizer.CheckAuthorization(_parent.Principal, targetUri, currentUri);
}
catch (Exception e)
{
Error(e);
return;
}
}
try
{
_result = _loader.BeginLoad(targetUri, currentUri, res =>
{
try
{
var loadResult = _loader.EndLoad(res);
if (loadResult.RedirectUri != null)
Complete(loadResult.RedirectUri);
else
Complete(loadResult.LoadedContent);
return;
}
catch (Exception e)
{
Error(e);
return;
}
}, null);
}
catch (Exception e)
{
Error(e);
return;
}
}