UserDefinedOpenWithFileViewer ReadUserDefinedFileViewer(DisplayBindingMappingKey key, XmlTextReader reader)
{
string application = null;
string displayName = null;
string arguments = null;
bool? isDefault = null;
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (reader.LocalName)
{
case "Application":
application = reader.ReadElementContentAsString();
if (CanCreateUserDefinedFileViewer(application, displayName, arguments, isDefault))
{
return(CreateUserDefinedFileViewer(key, application, displayName, arguments, isDefault.Value));
}
break;
case "Arguments":
arguments = reader.ReadElementContentAsString();
if (CanCreateUserDefinedFileViewer(application, displayName, arguments, isDefault))
{
return(CreateUserDefinedFileViewer(key, application, displayName, arguments, isDefault.Value));
}
break;
case "DisplayName":
displayName = reader.ReadElementContentAsString();
if (CanCreateUserDefinedFileViewer(application, displayName, arguments, isDefault))
{
return(CreateUserDefinedFileViewer(key, application, displayName, arguments, isDefault.Value));
}
break;
case "IsDefault":
string isDefaultText = reader.ReadElementContentAsString();
isDefault = bool.Parse(isDefaultText);
if (CanCreateUserDefinedFileViewer(application, displayName, arguments, isDefault))
{
return(CreateUserDefinedFileViewer(key, application, displayName, arguments, isDefault.Value));
}
break;
default:
throw new ApplicationException("Unsupported element found when looking for UserDefinedFileViewer");
}
break;
}
}
throw new ApplicationException("UserDefinedFileViewer not found.");
}
UserDefinedOpenWithFileViewer CreateUserDefinedFileViewer(
DisplayBindingMappingKey key,
string application,
string displayName,
string arguments,
bool isDefault)
{
var app = DesktopApplicationFactory.CreateApplication(application, arguments, displayName);
var fileViewer = new UserDefinedOpenWithFileViewer(app);
if (isDefault)
{
fileViewer.SetAsDefault();
}
return(fileViewer);
}
DisplayBindingMappingKey GetKey(XmlTextReader reader)
{
string extension = reader.GetAttribute("extension");
string mimeType = reader.GetAttribute("mimeType");
string isApplicationText = reader.GetAttribute("isApplication");
string isDisplayBindingText = reader.GetAttribute("isDisplayBinding");
var key = new DisplayBindingMappingKey(extension, mimeType);
if (!string.IsNullOrEmpty(isApplicationText))
{
key.IsApplication = bool.Parse(isApplicationText);
}
if (!string.IsNullOrEmpty(isDisplayBindingText))
{
key.IsDisplayBinding = bool.Parse(isDisplayBindingText);
}
return(key);
}
void AddDefaultMapping(DisplayBindingMappingKey key, string displayBinding)
{
mappings [key] = displayBinding;
}