public void AddNewButton()
{
// Add your custom button.
NewButton b = new NewButton();
b.Text = "New custom button";
// For buttons defined in a different assembly, add the
// register directive for the referenced assembly.
// assembly. By default, this goes to the document, unless
// already defined in the document or in configuration.
WebFormsReferenceManager wfrm =
RootDesigner.ReferenceManager;
wfrm.RegisterTagPrefix(b.GetType());
RootDesigner.AddControlToDocument(b, null, ControlLocation.Last);
}
internal Type GetControlType(string tagName, IDictionary attribs, bool throwOnError)
{
string typeName;
string ns = _nsRegisterEntry.Namespace;
if (String.IsNullOrEmpty(ns))
{
typeName = tagName;
}
else
{
typeName = ns + "." + tagName;
}
// Look up the type name (case insensitive)
if (_assembly != null)
{
Type type = null;
if (throwOnError)
{
// If loading the type from the assembly depends on a referenced assembly that cannot
// be loaded, we should throw the actual exception, instead of later reporting a more
// generic error saying the type was not found (Devdiv 138674)
try {
type = _assembly.GetType(typeName, true /*throwOnError*/, true /*ignoreCase*/);
}
catch (System.IO.FileNotFoundException) {
throw;
}
catch (System.IO.FileLoadException) {
throw;
}
catch (BadImageFormatException) {
throw;
}
catch {
// For all other exceptions, such as when the type is not present in the assembly,
// we ignore the exception so that we can continue to check other assemblies to look
// for the type.
}
}
else
{
type = _assembly.GetType(typeName, false /*throwOnError*/, true /*ignoreCase*/);
}
return(type);
}
#if !FEATURE_PAL
// If we're in the designer, check the WebFormsReferenceManager and ITypeResolutionService first.
if (_parser.FInDesigner && (_parser.DesignerHost != null))
{
// If we are in the DesignTimeThemes Host, we can't actually go down this code path, let the TypeResolutionService try instead
if (_parser.DesignerHost.RootComponent != null)
{
WebFormsRootDesigner rootDesigner = _parser.DesignerHost.GetDesigner(_parser.DesignerHost.RootComponent) as WebFormsRootDesigner;
if (rootDesigner != null)
{
WebFormsReferenceManager referenceManager = rootDesigner.ReferenceManager;
if (referenceManager != null)
{
Type type = referenceManager.GetType(_nsRegisterEntry.TagPrefix, tagName);
if (type != null)
{
// Only return the type if we found it. Otherwise fall back to the next service.
return(type);
}
}
}
}
ITypeResolutionService typeResolutionService = (ITypeResolutionService)_parser.DesignerHost.GetService(typeof(ITypeResolutionService));
if (typeResolutionService != null)
{
Type type = typeResolutionService.GetType(typeName, false, true);
if (type != null)
{
// Only return the type if we found it. Otherwise fall back to the next service.
return(type);
}
}
}
#endif // !FEATURE_PAL
// Nothing more to try in non-hosted appdomains
if (!HostingEnvironment.IsHosted)
{
return(null);
}
// If the assembly was not specified, look for the type in the code assemblies (including sub code assemblies)
return(BuildManager.GetTypeFromCodeAssembly(typeName, true /*ignoreCase*/));
}
internal Type GetControlType(string tagName, IDictionary attribs, bool throwOnError)
{
string str;
string str2 = this._nsRegisterEntry.Namespace;
if (string.IsNullOrEmpty(str2))
{
str = tagName;
}
else
{
str = str2 + "." + tagName;
}
if (this._assembly != null)
{
Type type = null;
if (throwOnError)
{
try
{
return(this._assembly.GetType(str, true, true));
}
catch (FileNotFoundException)
{
throw;
}
catch (FileLoadException)
{
throw;
}
catch (BadImageFormatException)
{
throw;
}
catch
{
return(type);
}
}
return(this._assembly.GetType(str, false, true));
}
if (this._parser.FInDesigner && (this._parser.DesignerHost != null))
{
if (this._parser.DesignerHost.RootComponent != null)
{
WebFormsRootDesigner designer = this._parser.DesignerHost.GetDesigner(this._parser.DesignerHost.RootComponent) as WebFormsRootDesigner;
if (designer != null)
{
WebFormsReferenceManager referenceManager = designer.ReferenceManager;
if (referenceManager != null)
{
Type type2 = referenceManager.GetType(this._nsRegisterEntry.TagPrefix, tagName);
if (type2 != null)
{
return(type2);
}
}
}
}
ITypeResolutionService service = (ITypeResolutionService)this._parser.DesignerHost.GetService(typeof(ITypeResolutionService));
if (service != null)
{
Type type3 = service.GetType(str, false, true);
if (type3 != null)
{
return(type3);
}
}
}
if (!HostingEnvironment.IsHosted)
{
return(null);
}
return(BuildManager.GetTypeFromCodeAssembly(str, true));
}
