public virtual void InstantiateIn(Control control)
{
UserControl child = (UserControl)this._objectFactory.CreateInstance();
child.InitializeAsUserControl(control.Page);
control.Controls.Add(child);
}
internal override Control CreateCachedControl()
{
Control cachedControl;
if (_objectFactory != null)
{
cachedControl = (Control)_objectFactory.CreateInstance();
}
else
{
// Instantiate the control
cachedControl = (Control)HttpRuntime.CreatePublicInstance(_createCachedControlType, _args);
}
// If it's a user control, do some extra initialization
UserControl uc = cachedControl as UserControl;
if (uc != null)
{
uc.InitializeAsUserControl(Page);
}
cachedControl.ID = _ctrlID;
return(cachedControl);
}
public virtual void InstantiateIn(Control control)
{
UserControl uc = (UserControl)_objectFactory.CreateInstance();
uc.InitializeAsUserControl(control.Page);
control.Controls.Add(uc);
}
public virtual void InstantiateIn(Control control)
{
UserControl uc = (UserControl)HttpRuntime.CreatePublicInstance(_ctrlType);
// Make sure that the user control is not used as the binding container,
// since we want its *parent* to be the binding container.
uc.SetNonBindingContainer();
uc.InitializeAsUserControl(control.Page);
control.Controls.Add(uc);
}
/// <include file='doc\TemplateControl.uex' path='docs/doc[@for="TemplateControl.LoadControl2"]/*' />
/// <devdoc>
/// <para>Obtains a <see cref='System.Web.UI.UserControl'/> object from a control type.</para>
/// </devdoc>
internal Control LoadControl(Type t)
{
// Make sure the type has the correct base class (ASURT 123677)
Util.CheckAssignableType(typeof(Control), t);
// Check if the user control type has a PartialCachingAttribute attribute
PartialCachingAttribute cacheAttrib = (PartialCachingAttribute)
TypeDescriptor.GetAttributes(t)[typeof(PartialCachingAttribute)];
if (cacheAttrib == null)
{
// The control is not cached. Just create it.
Control c = (Control)HttpRuntime.CreatePublicInstance(t);
UserControl uc = c as UserControl;
if (uc != null)
{
uc.InitializeAsUserControl(Page);
}
return(c);
}
string cacheKey;
if (cacheAttrib.Shared)
{
// If the caching is shared, use the type of the control as the key
cacheKey = t.GetHashCode().ToString();
}
else
{
// Make sure we have reflection permission to use GetMethod below (ASURT 106196)
InternalSecurityPermissions.Reflection.Assert();
HashCodeCombiner combinedHashCode = new HashCodeCombiner();
// Get a cache key based on the top two items of the caller's stack.
// It's not guaranteed unique, but for all common cases, it will be
StackTrace st = new StackTrace();
for (int i = 1; i < 3; i++)
{
StackFrame f = st.GetFrame(i);
combinedHashCode.AddObject(f.GetMethod());
combinedHashCode.AddObject(f.GetNativeOffset());
}
cacheKey = combinedHashCode.CombinedHashString;
}
// Wrap it to allow it to be cached
return(new PartialCachingControl(t, cacheAttrib, "_" + cacheKey));
}
internal override Control CreateCachedControl()
{
Control control;
if (this._objectFactory != null)
{
control = (Control)this._objectFactory.CreateInstance();
}
else
{
control = (Control)HttpRuntime.CreatePublicInstance(this._createCachedControlType, this._args);
}
UserControl control2 = control as UserControl;
if (control2 != null)
{
control2.InitializeAsUserControl(this.Page);
}
control.ID = base._ctrlID;
return(control);
}
private Control LoadControl(IWebObjectFactory objectFactory, System.Web.VirtualPath virtualPath, Type t, object[] parameters)
{
BuildResultCompiledType type = null;
BuildResultNoCompileUserControl control = null;
PartialCachingAttribute cachingAttribute;
if (objectFactory != null)
{
type = objectFactory as BuildResultCompiledType;
if (type != null)
{
t = type.ResultType;
Util.CheckAssignableType(typeof(UserControl), t);
}
else
{
control = (BuildResultNoCompileUserControl)objectFactory;
}
}
else if (t != null)
{
Util.CheckAssignableType(typeof(Control), t);
}
if (t != null)
{
cachingAttribute = (PartialCachingAttribute)TypeDescriptor.GetAttributes(t)[typeof(PartialCachingAttribute)];
}
else
{
cachingAttribute = control.CachingAttribute;
}
if (cachingAttribute == null)
{
Control control2;
if (objectFactory != null)
{
control2 = (Control)objectFactory.CreateInstance();
}
else
{
control2 = (Control)HttpRuntime.CreatePublicInstance(t, parameters);
}
UserControl control3 = control2 as UserControl;
if (control3 != null)
{
if (virtualPath != null)
{
control3.TemplateControlVirtualPath = virtualPath;
}
control3.InitializeAsUserControl(this.Page);
}
return(control2);
}
HashCodeCombiner combinedHashCode = new HashCodeCombiner();
if (objectFactory != null)
{
combinedHashCode.AddObject(objectFactory);
}
else
{
combinedHashCode.AddObject(t);
}
if (!cachingAttribute.Shared)
{
this.AddStackContextToHashCode(combinedHashCode);
}
string combinedHashString = combinedHashCode.CombinedHashString;
return(new PartialCachingControl(objectFactory, t, cachingAttribute, "_" + combinedHashString, parameters));
}
public void InitializeAsUserControl_Deny_Unrestricted ()
{
UserControl uc = new UserControl ();
try {
uc.InitializeAsUserControl (new Page ());
}
catch (TypeInitializationException tie) {
// 2.0 - error initializing HttpRuntime
Console.WriteLine (tie.InnerException);
}
}
private Control LoadControl(IWebObjectFactory objectFactory, VirtualPath virtualPath, Type t, object[] parameters)
{
// Make sure we get an object factory or a type, but not both
Debug.Assert((objectFactory == null) != (t == null));
BuildResultCompiledType compiledUCResult = null;
BuildResultNoCompileUserControl noCompileUCResult = null;
if (objectFactory != null)
{
// It can be a compiled or no-compile user control
compiledUCResult = objectFactory as BuildResultCompiledType;
if (compiledUCResult != null)
{
t = compiledUCResult.ResultType;
Debug.Assert(t != null);
// Make sure it's a user control (VSWhidbey 428718)
Util.CheckAssignableType(typeof(UserControl), t);
}
else
{
noCompileUCResult = (BuildResultNoCompileUserControl)objectFactory;
Debug.Assert(noCompileUCResult != null);
}
}
else
{
// Make sure the type has the correct base class (ASURT 123677)
if (t != null)
{
Util.CheckAssignableType(typeof(Control), t);
}
}
PartialCachingAttribute cacheAttrib;
// Check if the user control has a PartialCachingAttribute attribute
if (t != null)
{
cacheAttrib = (PartialCachingAttribute)
TypeDescriptor.GetAttributes(t)[typeof(PartialCachingAttribute)];
}
else
{
cacheAttrib = noCompileUCResult.CachingAttribute;
}
if (cacheAttrib == null)
{
// The control is not cached. Just create it.
Control c;
if (objectFactory != null)
{
c = (Control)objectFactory.CreateInstance();
}
else
{
c = (Control)HttpRuntime.CreatePublicInstance(t, parameters);
}
// If it's a user control, do some extra initialization
UserControl uc = c as UserControl;
if (uc != null)
{
Debug.Assert(virtualPath != null);
if (virtualPath != null)
{
uc.TemplateControlVirtualPath = virtualPath;
}
uc.InitializeAsUserControl(Page);
}
return(c);
}
HashCodeCombiner combinedHashCode = new HashCodeCombiner();
// Start by adding the type or object factory of the user control to the hash.
// This guarantees that two unrelated user controls don't share the same cached data.
if (objectFactory != null)
{
combinedHashCode.AddObject(objectFactory);
}
else
{
combinedHashCode.AddObject(t);
}
// If it's not shared, add some stack frames to the hash
if (!cacheAttrib.Shared)
{
AddStackContextToHashCode(combinedHashCode);
}
string cacheKey = combinedHashCode.CombinedHashString;
// Wrap it to allow it to be cached
return(new PartialCachingControl(objectFactory, t, cacheAttrib, "_" + cacheKey, parameters));
}
