Occurs when the value of the Checked property changes. Occurs when the value of the ClientSize property changes. Occurs when the value of the ContextMenu property changes. Occurs when the value of the ContextMenuStrip property changes.
Occurs when a new control is added to the Control. Occurs when a control is removed from the Control. Occurs when the value of the Cursor property changes. Occurs when the component is disposed by a call to the Dispose method. Occurs when the value of the Dock property changes. Occurs when the user double-clicks the RadioButton control. Occurs when the DPI setting for a control is changed programmatically after the DPI of its parent control or form has changed.
Occurs when the DPI setting for a control is changed programmatically before a DPI change event for its parent control or form has occurred. Occurs when the Enabled property value has changed.
Occurs when the Font property value changes. Occurs when the ForeColor property value changes. Occurs when the ImeMode property is changed. This event is not relevant for this class. Occurs when the Location property value has changed. Occurs when the user double-clicks the RadioButton control with the mouse. Occurs when the Parent property value changes. Occurs before the KeyDown event when a key is pressed while focus is on this control.
Occurs when AccessibleObject is providing help to accessibility applications. Occurs during a drag-and-drop operation and enables the drag source to determine whether the drag-and-drop operation should be canceled. Occurs when the value of the Region property changes.
Occurs when the RightToLeft property value changes. Occurs when the Size property value changes. Occurs when the TabIndex property value changes.
Occurs when the TabStop property value changes. Occurs when the Text property value changes. Occurs when the Visible property value changes. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Radio Button Class Reference Is this page helpful? Please rate your experience Yes No. Any additional feedback? Namespace: System. Forms Assembly: System. In this article. Inherited from Control.
Gets or sets the description of the control used by accessibility client applications. Gets or sets the name of the control used by accessibility client applications. Gets or sets the accessible role of the control. Gets or sets a value indicating whether the control can accept data that the user drags onto it. Inherited from ButtonBase.
Gets or sets a value that indicates whether the control resizes based on its contents. Gets or sets the background color of the control. Gets or sets the background image displayed in the control. Gets a value indicating whether the control can receive focus. Determines if events can be raised on the control. Gets a value indicating whether the control can be selected. Gets or sets a value indicating whether the control has captured the mouse.
Gets the rectangle that represents the client area of the control. Gets or sets the height and width of the client area of the control. Gets the name of the company or creator of the application containing the control. Inherited from Component.
Gets or sets the shortcut menu associated with the control. Gets the collection of controls contained within the control. Gets a value indicating whether the control has been created. Gets the required creation parameters when the control handle is created. Gets or sets the cursor that is displayed when the mouse pointer is over the control. Gets the data bindings for the control. Gets or sets the default cursor for the control.
Gets the space, in pixels, that is specified by default between controls. Gets the internal spacing, in pixels, of the contents of a control. Gets the DPI value for the display device where the control is currently being displayed. Gets the rectangle that represents the display area of the control. Gets or sets a value indicating whether the control can respond to user interaction. Gets the appearance of the border and the colors used to indicate check state and mouse state. Gets or sets the flat style appearance of the button control.
Gets a value indicating whether the control has input focus. Gets or sets the font of the text displayed by the control. Gets or sets the height of the font of the control. Gets or sets the foreground color of the control. Gets the window handle that the control is bound to. Gets a value indicating whether the control contains one or more child controls. Gets or sets the height of the control. Gets or sets the image that is displayed on a button control. Gets or sets the alignment of the image on the button control.
Gets or sets the image list index value of the image displayed on the button control. Gets or sets the IME mode of a control. Gets or sets a value indicating whether the control is visible to accessibility applications. Gets or sets a value indicating whether the button control is the default button.
Gets a value indicating whether the control has been disposed of. Gets a value indicating whether the control has a handle associated with it. Gets a value indicating whether the control is mirrored. Gets a cached instance of the control's layout engine. Gets or sets the space between controls. Gets or sets the name of the control. Gets or sets padding within the control. Gets or sets the parent container of the control.
Gets the size of a rectangular area into which the control can fit. Gets the product name of the assembly containing the control. Gets the version of the assembly containing the control. Gets a value indicating whether the control is currently re-creating its handle. Gets or sets the window region associated with the control. This property is now obsolete.
Gets or sets a value indicating whether the control redraws itself when resized. Gets a value that determines the scaling of child controls. Gets a value indicating whether the control should display focus rectangles. Gets or sets the site of the control. Gets or sets the height and width of the control.
Gets or sets the tab order of the control within its container. Gets or sets the object that contains data about the control. Gets or sets the text associated with this control. Gets or sets the position of text and image relative to each other. Gets or sets a value indicating whether the control and all its child controls are displayed.
Gets or sets the width of the control. BeginInvoke Action. BeginInvoke Delegate. BeginInvoke Delegate, Object[]. Brings the control to the front of the z-order. Contains Control. Retrieves a value indicating whether the specified control is a child of the control. Creates a new instance of the control collection for the control.
Creates a handle for the control. CreateObjRef Type. Inherited from MarshalByRefObject. DefWndProc Message. Sends the specified message to the default window procedure. Destroys the handle associated with the control. Dispose Boolean. Begins a drag-and-drop operation. DrawToBitmap Bitmap, Rectangle. Supports rendering to the specified bitmap. EndInvoke IAsyncResult. Equals Object. Determines whether the specified object is equal to the current object. Inherited from Object. Retrieves the form that the control is on.
Sets input focus to the control. GetChildAtPoint Point. Retrieves the child control that is located at the specified coordinates. Serves as the default hash function. GetNextControl Control, Boolean. Retrieves the next control forward or back in the tab order of child controls. GetPreferredSize Size. Retrieves the size of a rectangular area into which a control can be fitted.
Retrieves the bounds within which the control is scaled. GetService Type. GetStyle ControlStyles. Retrieves the value of the specified control style bit for the control.
Determines if the control is a top-level control. Conceals the control from the user. Obtains a lifetime service object to control the lifetime policy for this instance. Called after the control has been added to another container.
Invalidates the entire surface of the control and causes the control to be redrawn. Invalidate Boolean. Invalidate Rectangle. Invalidate Rectangle, Boolean. Invalidate Region. Invalidate Region, Boolean. Invoke Action. Executes the specified delegate on the thread that owns the control's underlying window handle. Invoke Delegate.
Invoke Delegate, Object[]. IsInputChar Char. Determines if a character is an input character that the control recognizes. IsInputKey Keys. LogicalToDeviceUnits Int LogicalToDeviceUnits Size. MemberwiseClone Boolean.
NotifyInvalidate Rectangle. OnCheckedChanged EventArgs. OnClick EventArgs. OnCursorChanged EventArgs. InitializeComponent ;. EventArgs e. Add l ;. Add r1 ;. Add r2 ;. Add r3 ;. Previous CheckBox in C. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert.
Writing code in comment? Please use ide. Insults are not welcome. Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question. Let's work to help developers, not make them feel stupid. Related Questions. Radio Buttons - Group Property. How do I post selected grouped radio button to database? Grouping of radio buttons without groupbox or panel in windows forms.
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