MouseUp - a cell editor is activated when the left mouse button is released regardless of whether the cell is focused. MouseDown - a cell editor is activated when the left mouse button is pressed regardless of whether the cell is focused.Use the EditorShowMode option to specify how a cell editor is activated with the mouse: On the other hand, if an editor’s drop-down window should be opened at the same time a cell is focused, activate the editor when the mouse button is pressed, not when it is released. You can activate a cell editor at each of these four stages depending on usability requirements.įor example, if a control should support drag-and-drop operations, activate an editor when the mouse button is released, not when it is pressed. After the cell is focused, a user can press and release the button again. When the left mouse button is pressed in a cell for the first time, the cell gets focus.

Activate an Editor with the MouseĪn editor can be activated when the left mouse button is pressed or released, and may depend on whether the cell is already focused. To activate the focused cell’s editor, users can press Enter, F2, or click the cell.