System windows forms controls

Connect and share knowledge within a single location that is structured and easy to search. How can I access this like so:. Use the Control. Find method. Using the same approach of Philip Wallace , we can do like this:. Assuming you have Windows. Form Form1 as the parent form which owns the menu you've created. One of the form's attributes is named.

If the menu was created programmatically, it should be the same, and it would be recognized as a menu and placed in the Menu attribute of the Form. In this case, I had a main menu called File.

The following worked. Assuming you. You can use find function in your Form class. If you want to cast Label , TextView It will be return Label object.

Since you're generating them dynamically, keep a map between a string and the menu item, that will allow fast retrieval. A simple solution would be to iterate through the Controls list in a foreach loop. Something like this:. So now you have your iterator, child , which is of type Control. Now do what you will with that, personally I found this in a project I did a while ago in which it added an event for this control, like this:.

Converts the specified ContentAlignment to the appropriate ContentAlignment to support right-to-left text. Converts the specified HorizontalAlignment to the appropriate HorizontalAlignment to support right-to-left text.

Activates a child control. Optionally specifies the direction in the tab order to select the control from. Sets a value indicating how a control will behave when its AutoSize property is enabled.

Sets a specified ControlStyles flag to either true or false. Returns a String containing the name of the Component , if any. This method should not be overridden. Occurs when the value of the BackColor property changes. Occurs when the value of the BackgroundImage property changes. Occurs when the BackgroundImageLayout property changes. Occurs when the value of the BindingContext property changes. Occurs when the value of the CausesValidation 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 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 has changed. Occurs when the Location property value has changed.

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. Calling CreateGraphics before the control's handle has been created on a background thread can cause illegal cross thread calls.

Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Control Class Reference Is this page helpful? Please rate your experience Yes No. Any additional feedback? Namespace: System. Forms Assembly: System. Defines the base class for controls, which are components with visual representation.

Note To make your Windows Forms application support visual styles, be sure to set the FlatStyle property to System and include a manifest with your executable. Note To maintain better performance, do not set the size of a control in its constructor. Note Do not add data bindings for a Control in its constructor. In this article. Control Control, String. Control String. 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 a value indicating whether the control can accept data that the user drags onto it. Gets a value indicating whether the component can raise an event. Inherited from Component. Gets or sets a value indicating whether the control has captured the mouse. Gets the name of the company or creator of the application containing the control.

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 space, in pixels, that is specified by default between controls. Gets the DPI value for the display device where the control is currently being displayed. Gets or sets a value indicating whether the control can respond to user interaction. Gets a value indicating whether the control contains one or more child controls.

Gets or sets a value indicating whether the control is visible to accessibility applications. Gets a value indicating whether the control has a handle associated with it. Gets a value indicating which of the mouse buttons is in a pressed state.

Gets a value indicating whether the control is currently re-creating its handle. This property is now obsolete. Gets or sets a value indicating whether the control redraws itself when resized. Gets a value indicating whether the control should display focus rectangles. Gets or sets a value indicating whether the control and all its child controls are displayed. BeginInvoke Action.

BeginInvoke Delegate. BeginInvoke Delegate, Object[]. Contains Control. Retrieves a value indicating whether the specified control is a child of the control. CreateObjRef Type. Inherited from MarshalByRefObject. DefWndProc Message. Dispose Boolean. DrawToBitmap Bitmap, Rectangle. EndInvoke IAsyncResult. Equals Object. Determines whether the specified object is equal to the current object. Inherited from Object. FromChildHandle IntPtr. FromHandle IntPtr.

Returns the control that is currently associated with the specified handle. 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.

The following code example removes a Control from the Control. ControlCollection of the derived class Panel if it is a member of the collection. The example requires that you have created a Panel , a Button , and at least one RadioButton control on a Form.

When the button is clicked, the radio button named removeButton is removed from the Control. A Control can act as a parent to a collection of controls. For example, when several controls are added to a Form , each of the controls is a member of the Control. ControlCollection assigned to the Controls property of the form, which is derived from the Control class. You can manipulate the controls in the Control. TextBox Control Allows editable, multiline input from the user.

Timer Component Raises an event at regular intervals. ToolBar Control Displays menus and bitmapped buttons that activate commands. You can extend the functionality of the control and modify its appearance and behavior. Although ToolStrip replaces and adds functionality to the ToolBar control of previous versions, ToolBar is retained for both backward compatibility and future use if you choose. ToolTip Component Displays text when the user points at other controls.

TrackBar Control Allows navigation through a large amount of information or visually adjusting a numeric setting. TreeView Control Displays a hierarchy of nodes that can be expanded or collapsed. Windows Forms Controls Used to List Options Describes a set of controls used to provide users with a list of options to choose from.

Windows Forms Controls Explains the use of Windows Forms controls, and describes important concepts for working with them. Developing Windows Forms Controls at Design Time Provides links to step-by-step topics, recommendations for which kind of control to create, and other information about creating your own control. Note that controls are now classes in the. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode.

Please rate your experience Yes No. Any additional feedback? Note Visual Basic controls are based on classes provided by the. Submit and view feedback for This product This page. View all page feedback.