public ClassHierarchyPage()
{
InitializeComponent();
List<TypeInformation> classList = new List<TypeInformation>();
// Get types in Xamarin.Forms.Core assembly.
GetPublicTypes(typeof(View).GetTypeInfo().Assembly, classList);
// Get types in Xamarin.Forms.Xaml assembly.
GetPublicTypes(typeof(Extensions).GetTypeInfo().Assembly, classList);
// Ensure that all classes have a base type in the list.
// (i.e., add Attribute, ValueType, Enum, EventArgs, etc.)
int index = 0;
// Watch out! Loops through expanding classList!
do
{
// Get a child type from the list.
TypeInformation childType = classList[index];
if (childType.Type != typeof(Object))
{
bool hasBaseType = false;
// Loop through the list looking for a base type.
foreach (TypeInformation parentType in classList)
{
if (childType.IsDerivedDirectlyFrom(parentType.Type))
{
hasBaseType = true;
}
}
// If there's no base type, add it.
if (!hasBaseType && childType.BaseType != typeof(Object))
{
classList.Add(new TypeInformation(childType.BaseType, false));
}
}
index++;
}
while (index < classList.Count);
// Now sort the list.
classList.Sort((t1, t2) =>
{
return String.Compare(t1.Type.Name, t2.Type.Name);
});
// Start the display with System.Object.
ClassAndSubclasses rootClass = new ClassAndSubclasses(typeof(Object), false);
// Recursive method to build the hierarchy tree.
AddChildrenToParent(rootClass, classList);
// Recursive method for adding items to StackLayout.
AddItemToStackLayout(rootClass, 0);
}
public ClassHierarchyPage()
{
InitializeComponent();
List <TypeInformation> classList = new List <TypeInformation>();
// Get types in Xamarin.Forms.Core assembly.
GetPublicTypes(typeof(View).GetTypeInfo().Assembly, classList);
// Get types in Xamarin.Forms.Xaml assembly.
GetPublicTypes(typeof(Extensions).GetTypeInfo().Assembly, classList);
// Ensure that all classes have a base type in the list.
// (i.e., add Attribute, ValueType, Enum, EventArgs, etc.)
int index = 0;
// Watch out! Loops through expanding classList!
do
{
// Get a child type from the list.
TypeInformation childType = classList[index];
if (childType.Type != typeof(Object))
{
bool hasBaseType = false;
// Loop through the list looking for a base type.
foreach (TypeInformation parentType in classList)
{
if (childType.IsDerivedDirectlyFrom(parentType.Type))
{
hasBaseType = true;
}
}
// If there's no base type, add it.
if (!hasBaseType && childType.BaseType != typeof(Object))
{
classList.Add(new TypeInformation(childType.BaseType, false));
}
}
index++;
}while (index < classList.Count);
// Now sort the list.
classList.Sort((t1, t2) =>
{
return(String.Compare(t1.Type.Name, t2.Type.Name));
});
// Start the display with System.Object.
ClassAndSubclasses rootClass = new ClassAndSubclasses(typeof(Object), false);
// Recursive method to build the hierarchy tree.
AddChildrenToParent(rootClass, classList);
// Recursive method for adding items to StackLayout.
AddItemToStackLayout(rootClass, 0);
}
void AddChildrenToParent(ClassAndSubclasses parentClass,
List <TypeInformation> classList)
{
foreach (TypeInformation typeInformation in classList)
{
if (typeInformation.IsDerivedDirectlyFrom(parentClass.Type))
{
ClassAndSubclasses subClass =
new ClassAndSubclasses(typeInformation.Type);
parentClass.Subclasses.Add(subClass);
AddChildrenToParent(subClass, classList);
}
}
}
void AddItemToStackLayout(ClassAndSubclasses parentClass, int level)
{
// If assembly is not Xamarin.Forms, display full name.
string name = parentClass.IsXamarinForms ? parentClass.Type.Name :
parentClass.Type.FullName;
// If namespace is not "Xamarin.Forms", display full name.
// This code added 7/17/18 for PlatformSpecific classes,
// rendering the IsXamarinForms property used above obsolete.
if (parentClass.Type.Namespace != "Xamarin.Forms")
{
name = parentClass.Type.FullName;
}
TypeInfo typeInfo = parentClass.Type.GetTypeInfo();
// If generic, display angle brackets and parameters.
if (typeInfo.IsGenericType)
{
Type[] parameters = typeInfo.GenericTypeParameters;
name = name.Substring(0, name.Length - 2);
name += "<";
for (int i = 0; i < parameters.Length; i++)
{
name += parameters[i].Name;
if (i < parameters.Length - 1)
{
name += ", ";
}
}
name += ">";
}
// Create Label and add to StackLayout.
Label label = new Label
{
Text = String.Format("{0}{1}", new string(' ', 4 * level), name),
TextColor = parentClass.Type.GetTypeInfo().IsAbstract ?
Color.Accent : Color.Default
};
stackLayout.Children.Add(label);
// Now display nested types.
foreach (ClassAndSubclasses subclass in parentClass.Subclasses)
{
AddItemToStackLayout(subclass, level + 1);
}
}
void AddItemToStackLayout(ClassAndSubclasses parentClass,
int level)
{
// If assembly is not Xamarin.Forms, display full name.
string name = parentClass.Type.Name;
TypeInfo typeInfo = parentClass.Type.GetTypeInfo();
if (typeInfo.Assembly != xamarinFormsAssembly)
{
name = parentClass.Type.FullName;
}
// If generic, display angle brackets and parameters.
if (typeInfo.IsGenericType)
{
Type[] parameters = typeInfo.GenericTypeParameters;
name = name.Substring(0, name.Length - 2);
name += "<";
for (int i = 0; i < parameters.Length; i++)
{
name += parameters[i].Name;
if (i < parameters.Length - 1)
{
name += ", ";
}
}
name += ">";
}
// Create Label and add to StackLayout
Label label = new Label
{
Text = String.Format("{0}{1}", new string(' ', 4 * level),
name),
TextColor = parentClass.Type.GetTypeInfo().IsAbstract ?
Color.Accent : Color.Default
};
stackLayout.Children.Add(label);
// Now display nested types.
foreach (ClassAndSubclasses subclass in parentClass.Subclasses)
{
AddItemToStackLayout(subclass, level + 1);
}
}
public ClassHierarchyPage()
{
// Get Xamarin.Forms assembly.
xamarinFormsAssembly = typeof(View).GetTypeInfo().Assembly;
// Loop through all the types.
foreach (Type type in xamarinFormsAssembly.ExportedTypes)
{
TypeInfo typeInfo = type.GetTypeInfo();
// Public types only but exclude interfaces
if (typeInfo.IsPublic && !typeInfo.IsInterface)
{
// Add type to list.
classList.Add(new TypeInformation(type));
}
}
// Ensure that all classes have a base type in the list.
// (i.e., add Attribute, ValueType, Enum, EventArgs, etc.)
int index = 0;
// Watch out! Loops through expanding classList!
do
{
// Get a child type from the list.
TypeInformation childType = classList[index];
if (childType.Type != typeof(Object))
{
bool hasBaseType = false;
// Loop through the list looking for a base type.
foreach (TypeInformation parentType in classList)
{
if (childType.IsDerivedDirectlyFrom(parentType.Type))
{
hasBaseType = true;
}
}
// If there's no base type, add it.
if (!hasBaseType &&
childType.BaseType != typeof(Object))
{
classList.Add(
new TypeInformation(childType.BaseType));
}
}
index++;
}while (index < classList.Count);
// Now sort the list.
classList.Sort((t1, t2) =>
{
return(String.Compare(t1.Type.Name, t2.Type.Name));
});
// Start the display with System.Object.
ClassAndSubclasses rootClass =
new ClassAndSubclasses(typeof(Object));
// Recursive method to build the hierarchy tree.
AddChildrenToParent(rootClass, classList);
// Create the StackLayout for displaying the list.
stackLayout = new StackLayout
{
Spacing = 0
};
// Recursive method for adding items to StackLayout.
AddItemToStackLayout(rootClass, 0);
// Put the StackLayout in a ScrollView.
this.Padding =
new Thickness(0, Device.RuntimePlatform == Device.iOS ? 20 : 0, 0, 0);
this.Content = new ScrollView
{
Content = stackLayout
};
}
void AddChildrenToParent(ClassAndSubclasses parentClass,
List<TypeInformation> classList)
{
foreach (TypeInformation typeInformation in classList)
{
if (typeInformation.IsDerivedDirectlyFrom(parentClass.Type))
{
ClassAndSubclasses subClass =
new ClassAndSubclasses(typeInformation.Type, typeInformation.IsXamarinForms);
parentClass.Subclasses.Add(subClass);
AddChildrenToParent(subClass, classList);
}
}
}
void AddItemToStackLayout(ClassAndSubclasses parentClass, int level)
{
// If assembly is not Xamarin.Forms, display full name.
string name = parentClass.IsXamarinForms ? parentClass.Type.Name :
parentClass.Type.FullName;
TypeInfo typeInfo = parentClass.Type.GetTypeInfo();
// If generic, display angle brackets and parameters.
if (typeInfo.IsGenericType)
{
Type[] parameters = typeInfo.GenericTypeParameters;
name = name.Substring(0, name.Length - 2);
name += "<";
for (int i = 0; i < parameters.Length; i++)
{
name += parameters[i].Name;
if (i < parameters.Length - 1)
{
name += ", ";
}
}
name += ">";
}
// Create Label and add to StackLayout.
Label label = new Label
{
Text = String.Format("{0}{1}", new string(' ', 4 * level), name),
TextColor = parentClass.Type.GetTypeInfo().IsAbstract ?
Color.Accent : Color.Default
};
stackLayout.Children.Add(label);
// Now display nested types.
foreach (ClassAndSubclasses subclass in parentClass.Subclasses)
{
AddItemToStackLayout(subclass, level + 1);
}
}
public ClassHierarchyPage()
{
// Get Xamarin.Forms assembly.
xamarinFormsAssembly = typeof(View).GetTypeInfo().Assembly;
// Loop through all the types.
foreach (Type type in xamarinFormsAssembly.ExportedTypes)
{
TypeInfo typeInfo = type.GetTypeInfo();
// Public types only but exclude interfaces
if (typeInfo.IsPublic && !typeInfo.IsInterface)
{
// Add type to list.
classList.Add(new TypeInformation(type));
}
}
// Ensure that all classes have a base type in the list.
// (i.e., add Attribute, ValueType, Enum, EventArgs, etc.)
int index = 0;
// Watch out! Loops through expanding classList!
do
{
// Get a child type from the list.
TypeInformation childType = classList[index];
if (childType.Type != typeof(Object))
{
bool hasBaseType = false;
// Loop through the list looking for a base type.
foreach (TypeInformation parentType in classList)
{
if (childType.IsDerivedDirectlyFrom(parentType.Type))
hasBaseType = true;
}
// If there's no base type, add it.
if (!hasBaseType &&
childType.BaseType != typeof(Object))
{
classList.Add(
new TypeInformation(childType.BaseType));
}
}
index++;
}
while (index < classList.Count);
// Now sort the list.
classList.Sort((t1, t2) =>
{
return String.Compare(t1.Type.Name, t2.Type.Name);
});
// Start the display with System.Object.
ClassAndSubclasses rootClass =
new ClassAndSubclasses(typeof(Object));
// Recursive method to build the hierarchy tree.
AddChildrenToParent(rootClass, classList);
// Create the StackLayout for displaying the list.
stackLayout = new StackLayout
{
Spacing = 0
};
// Recursive method for adding items to StackLayout.
AddItemToStackLayout(rootClass, 0);
// Put the StackLayout in a ScrollView.
this.Padding =
new Thickness(5, Device.OnPlatform(20, 0, 0), 0, 0);
this.Content = new ScrollView
{
Content = stackLayout
};
}