Events

The events of System.Windows.Forms.Form are listed below. For a list of all members, see the Form Members list.

Public Events

	Activated	Occurs when the form is activated in code or by the user.
	AutoSizeChanged	Occurs when the Form.AutoSize property changes.
	AutoValidateChanged	Occurs when the Form.AutoValidate property changes.
	Closed	Occurs when the form is closed.
	Closing	Occurs when the form is closing.
	Deactivate	Occurs when the form loses focus and is no longer the active form.
	FormClosed	Occurs after the form is closed.
	FormClosing	Occurs before the form is closed.
	HelpButtonClicked	Occurs when the Help button is clicked.
	InputLanguageChanged	Occurs after the input language of the form has changed.
	InputLanguageChanging	Occurs when the user attempts to change the input language for the form.
	Load	Occurs before a form is displayed for the first time.
	MarginChanged	Occurs when the Form.Margin property changes.
	MaximizedBoundsChanged	Occurs when the value of the Form.MaximizedBounds property has changed.
	MaximumSizeChanged	Occurs when the value of the Form.MaximumSize property has changed.
	MdiChildActivate	Occurs when a multiple-document interface (MDI) child form is activated or closed within an MDI application.
	MenuComplete	Occurs when the menu of a form loses focus.
	MenuStart	Occurs when the menu of a form receives focus.
	MinimumSizeChanged	Occurs when the value of the Form.MinimumSize property has changed.
	ResizeBegin	Occurs when a form enters resizing mode.
	ResizeEnd	Occurs when a form exits resizing mode.
	RightToLeftLayoutChanged	Occurs after the value of the Form.RightToLeftLayout property changes.
	Shown	Occurs whenever the form is first displayed.
	TabIndexChanged	Occurs when the value of the Form.TabIndex property changes.
	TabStopChanged	Occurs when the Form.TabStop property changes.