// Token: 0x060044E1 RID: 17633 RVA: 0x00138574 File Offset: 0x00136774
private static void ValidateUri(Uri item)
{
if (item == null)
{
throw new ArgumentException(SR.Get("CustomDictionaryNullItem"));
}
if (item.IsAbsoluteUri && !item.IsUnc && !item.IsFile && !PackUriHelper.IsPackUri(item))
{
throw new NotSupportedException(SR.Get("CustomDictionarySourcesUnsupportedURI"));
}
}
private void DoNavigate(Uri source, ref object targetFrameName, ref object postData, ref object headers, bool ignoreEscaping = false)
{
base.VerifyAccess();
NativeMethods.IOleCommandTarget oleCommandTarget = (NativeMethods.IOleCommandTarget) this.AxIWebBrowser2;
object obj = false;
oleCommandTarget.Exec(null, 23, 0, new object[]
{
obj
}, 0);
this.LastNavigation = Guid.NewGuid();
if (source == null)
{
this.NavigatingToAboutBlank = true;
source = new Uri("about:blank");
}
else
{
this.CleanInternalState();
}
if (!source.IsAbsoluteUri)
{
throw new ArgumentException(SR.Get("AbsoluteUriOnly"), "source");
}
if (PackUriHelper.IsPackUri(source))
{
source = BaseUriHelper.ConvertPackUriToAbsoluteExternallyVisibleUri(source);
}
if (!string.IsNullOrEmpty((string)targetFrameName))
{
new WebPermission(PermissionState.Unrestricted).Demand();
}
else if (!this.NavigatingToAboutBlank)
{
SecurityHelper.DemandWebPermission(source);
}
object obj2 = null;
object obj3 = ignoreEscaping ? source.AbsoluteUri : BindUriHelper.UriToString(source);
try
{
this.AxIWebBrowser2.Navigate2(ref obj3, ref obj2, ref targetFrameName, ref postData, ref headers);
}
catch (COMException ex)
{
this.CleanInternalState();
if (ex.ErrorCode != -2147023673)
{
throw;
}
}
}
/// <summary>
/// This method is invoked whenever the source property changes.
/// </summary>
private void UriSourcePropertyChangedHook(DependencyPropertyChangedEventArgs e)
{
// Decided against comparing the URI because the user might want to change the shader on the filesystem
// and reload it.
// We do not support async loading of shaders here. If that is desired the user needs to use the SetStreamSource
// API.
Uri newUri = (Uri)e.NewValue;
Stream stream = null;
try {
if (newUri != null)
{
if (!newUri.IsAbsoluteUri)
{
newUri = BaseUriHelper.GetResolvedUri(BaseUriHelper.BaseUri, newUri);
}
Debug.Assert(newUri.IsAbsoluteUri);
// Now the URI is an absolute URI.
//
// Only allow file and pack URIs.
if (!newUri.IsFile &&
!PackUriHelper.IsPackUri(newUri))
{
throw new ArgumentException(SR.Get(SRID.Effect_SourceUriMustBeFileOrPack));
}
stream = WpfWebRequestHelper.CreateRequestAndGetResponseStream(newUri);
}
LoadPixelShaderFromStreamIntoMemory(stream);
}
finally
{
if (stream != null)
{
stream.Dispose();
}
}
}
