A context menu, often referred to as a popup or pop-up menu, is a menu which is shown upon certain user actions, usually a right-click with the mouse on a specific control or window. Contextual menus are often used to offer functionality that's relevant within a single control. WPF comes with a ContextMenu control and because it's almost always tied to a specific control, that's also usually how you add it to the interface.
The default is null. When getting the value of this property, the row is in a DataGridView control and is a shared row. The following code example demonstrates how to use the DataGridViewColumn.
Gets or sets a value indicating whether the MenuItem is placed on a new line for a menu item added to a MainMenu object or in a new column for a submenu item or menu item displayed in a ContextMenu. The default is false. The following code example creates a MenuItem with two submenu items.
If you add a ContextMenuStrip the menu that shows up when you right-click on something to your design, you can conveniently have more than one form control use that context menu. The only problem is that you don't know which control the context menu was over in other words, what data the user right-clicked on when you get the event for one of the ToolStripMenuItems on the ContextMenuStrip being clicked. Many others have monitored the control for mouse click events to tell which control fired the event, but I've found a better, more abstract way of determining this information. In my case, I have two DataGridViews with the same context menu.
NET 4. A context menu is also known as a popup menu. A context menu appears when you right click on a Form or on a control.
Although ToolStripMenuItem replaces and adds functionality to the MenuItem control of previous versions, MenuItem is retained for both backward compatibility and future use if you choose. This code example is part of a larger example available in the ToolStripManager class overview. The ToolStripMenuItem class provides properties that enable you to configure the appearance and functionality of a menu item.
Bring up the demo project's Form1 in Design mode in Visual Studio. Notice that a System. ContextMenu has been dropped on to the apron just below the lower edge of Form1.
This topic shows how to customize a Data Grid's built-in popup menus, override the default menu item actions, and use events to create custom popup menus. Column Header Menu right-click a Column Header. Group Panel Menu right-click the Group Panel.
In this article, we are going to talk about the way of customizing the default Kettic DataGridView context menu in the ContextMenuOpening event handler. To create the custom context menu, we need to initialize the items of custom context menus, and then subscribe for the events that you are going to handle to achieve desired behavior. The following examples will demonstrate how to remove and add context menus items to GridView C. NET component for Windows Forms application.