Typically, an ambient property represents a characteristic of a control, such as BackColor, that is communicated to a child control. If the control is not sited, if the site does not support ambient properties, or if the property is not set on the AmbientProperties, the control uses its own default values. If the control does not have a Parent, and the property is not set, the control attempts to determine the value of the ambient property through the Site property. An ambient property is a control property that, if not set, is retrieved from the parent control.
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Windows Forms controls use ambient properties so child controls can appear like their surrounding environment. It defines the bounds of a control (its position and size), although it does not implement painting. It handles user input through the keyboard and pointing devices. The Control class implements very basic functionality required by classes that display information to the user. For more information about authoring custom controls, see Developing Custom Windows Forms Controls with the. To create your own control class, inherit from the UserControl, Control classes, or from the other Windows Forms provided controls. ISynchronizeInvoke IWin32Window IComponent IDisposable IBindableComponent IDropTarget Remarks Implements IBindableComponent, IDisposable, IDropTarget, ISynchronizeInvoke, IWin32Window Inheritance Implements ISynchronizeInvoke, IWin32Window Public Class Control Interface IBindableComponent Public Class Control Interface IBindableComponent type Control = class Interface UnsafeNativeMethods.IQuickActivate Interface UnsafeNativeMethods.IPersistStorage Interface UnsafeNativeMethods.IPersistPropertyBag Interface UnsafeNativeMethods.IPersistStreamInit Interface UnsafeNativeMethods.IViewObject2 Interface UnsafeNativeMethods.IViewObject Interface UnsafeNativeMethods.IOleInPlaceActiveObject Interface UnsafeNativeMethods.IOleInPlaceObject Interface UnsafeNativeMethods.IOleControl Public class Control :, IDisposable,, ,, 32Window public class Control :, IDisposable,, ,, 32Window type Control = class
In this article public ref class Control : System::ComponentModel::Component, System::ComponentModel::ISynchronizeInvoke, System::Windows::Forms::IWin32Window public ref class Control : System::ComponentModel::Component, IDisposable, System::ComponentModel::ISynchronizeInvoke, System::Windows::Forms::IBindableComponent, System::Windows::Forms::IDropTarget, System::Windows::Forms::IWin32Window public class Control :, , 32Window Defines the base class for controls, which are components with visual representation.
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