Form Events

Form Events

 

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

NameDescription
System_CAPS_pubeventActivated

Occurs when the form is activated in code or by the user.

System_CAPS_pubeventAutoSizeChanged

Occurs when the AutoSize property changes.

System_CAPS_pubeventAutoValidateChanged

Occurs when the AutoValidate property changes.

System_CAPS_pubeventBackColorChanged

Occurs when the value of the BackColor property changes.(Inherited from Control.)

System_CAPS_pubeventBackgroundImageChanged

Occurs when the value of the BackgroundImage property changes.(Inherited from Control.)

System_CAPS_pubeventBackgroundImageLayoutChanged

Occurs when the BackgroundImageLayout property changes.(Inherited from Control.)

System_CAPS_pubeventBindingContextChanged

Occurs when the value of the BindingContext property changes.(Inherited from Control.)

System_CAPS_pubeventCausesValidationChanged

Occurs when the value of the CausesValidation property changes.(Inherited from Control.)

System_CAPS_pubeventChangeUICues

Occurs when the focus or keyboard user interface (UI) cues change.(Inherited from Control.)

System_CAPS_pubeventClick

Occurs when the control is clicked.(Inherited from Control.)

System_CAPS_pubeventClientSizeChanged

Occurs when the value of the ClientSize property changes. (Inherited from Control.)

System_CAPS_pubeventClosed

Occurs when the form is closed.

System_CAPS_pubeventClosing

Occurs when the form is closing.

System_CAPS_pubeventContextMenuChanged

Occurs when the value of the ContextMenu property changes.(Inherited from Control.)

System_CAPS_pubeventContextMenuStripChanged

Occurs when the value of the ContextMenuStrip property changes. (Inherited from Control.)

System_CAPS_pubeventControlAdded

Occurs when a new control is added to the Control.ControlCollection.(Inherited from Control.)

System_CAPS_pubeventControlRemoved

Occurs when a control is removed from the Control.ControlCollection.(Inherited from Control.)

System_CAPS_pubeventCursorChanged

Occurs when the value of the Cursor property changes.(Inherited from Control.)

System_CAPS_pubeventDeactivate

Occurs when the form loses focus and is no longer the active form.

System_CAPS_pubeventDisposed

Occurs when the component is disposed by a call to the Dispose method. (Inherited from Component.)

System_CAPS_pubeventDockChanged

Occurs when the value of the Dock property changes.(Inherited from Control.)

System_CAPS_pubeventDoubleClick

Occurs when the control is double-clicked.(Inherited from Control.)

System_CAPS_pubeventDragDrop

Occurs when a drag-and-drop operation is completed.(Inherited from Control.)

System_CAPS_pubeventDragEnter

Occurs when an object is dragged into the control's bounds.(Inherited from Control.)

System_CAPS_pubeventDragLeave

Occurs when an object is dragged out of the control's bounds.(Inherited from Control.)

System_CAPS_pubeventDragOver

Occurs when an object is dragged over the control's bounds.(Inherited from Control.)

System_CAPS_pubeventEnabledChanged

Occurs when the Enabled property value has changed.(Inherited from Control.)

System_CAPS_pubeventEnter

Occurs when the control is entered.(Inherited from Control.)

System_CAPS_pubeventFontChanged

Occurs when the Font property value changes.(Inherited from Control.)

System_CAPS_pubeventForeColorChanged

Occurs when the ForeColor property value changes.(Inherited from Control.)

System_CAPS_pubeventFormClosed

Occurs after the form is closed.

System_CAPS_pubeventFormClosing

Occurs before the form is closed.

System_CAPS_pubeventGiveFeedback

Occurs during a drag operation.(Inherited from Control.)

System_CAPS_pubeventGotFocus

Occurs when the control receives focus.(Inherited from Control.)

System_CAPS_pubeventHandleCreated

Occurs when a handle is created for the control.(Inherited from Control.)

System_CAPS_pubeventHandleDestroyed

Occurs when the control's handle is in the process of being destroyed.(Inherited from Control.)

System_CAPS_pubeventHelpButtonClicked

Occurs when the Help button is clicked.

System_CAPS_pubeventHelpRequested

Occurs when the user requests help for a control.(Inherited from Control.)

System_CAPS_pubeventImeModeChanged

Occurs when the ImeMode property has changed.(Inherited from Control.)

System_CAPS_pubeventInputLanguageChanged

Occurs after the input language of the form has changed.

System_CAPS_pubeventInputLanguageChanging

Occurs when the user attempts to change the input language for the form.

System_CAPS_pubeventInvalidated

Occurs when a control's display requires redrawing.(Inherited from Control.)

System_CAPS_pubeventKeyDown

Occurs when a key is pressed while the control has focus.(Inherited from Control.)

System_CAPS_pubeventKeyPress

Occurs when a character. space or backspace key is pressed while the control has focus.(Inherited from Control.)

System_CAPS_pubeventKeyUp

Occurs when a key is released while the control has focus.(Inherited from Control.)

System_CAPS_pubeventLayout

Occurs when a control should reposition its child controls.(Inherited from Control.)

System_CAPS_pubeventLeave

Occurs when the input focus leaves the control.(Inherited from Control.)

System_CAPS_pubeventLoad

Occurs before a form is displayed for the first time.

System_CAPS_pubeventLocationChanged

Occurs when the Location property value has changed.(Inherited from Control.)

System_CAPS_pubeventLostFocus

Occurs when the control loses focus.(Inherited from Control.)

System_CAPS_pubeventMarginChanged

Occurs when the Margin property changes.

System_CAPS_pubeventMaximizedBoundsChanged

Occurs when the value of the MaximizedBounds property has changed.

System_CAPS_pubeventMaximumSizeChanged

Occurs when the value of the MaximumSize property has changed.

System_CAPS_pubeventMdiChildActivate

Occurs when a multiple-document interface (MDI) child form is activated or closed within an MDI application.

System_CAPS_pubeventMenuComplete

Occurs when the menu of a form loses focus.

System_CAPS_pubeventMenuStart

Occurs when the menu of a form receives focus.

System_CAPS_pubeventMinimumSizeChanged

Occurs when the value of the MinimumSize property has changed.

System_CAPS_pubeventMouseCaptureChanged

Occurs when the control loses mouse capture.(Inherited from Control.)

System_CAPS_pubeventMouseClick

Occurs when the control is clicked by the mouse.(Inherited from Control.)

System_CAPS_pubeventMouseDoubleClick

Occurs when the control is double clicked by the mouse.(Inherited from Control.)

System_CAPS_pubeventMouseDown

Occurs when the mouse pointer is over the control and a mouse button is pressed.(Inherited from Control.)

System_CAPS_pubeventMouseEnter

Occurs when the mouse pointer enters the control.(Inherited from Control.)

System_CAPS_pubeventMouseHover

Occurs when the mouse pointer rests on the control.(Inherited from Control.)

System_CAPS_pubeventMouseLeave

Occurs when the mouse pointer leaves the control.(Inherited from Control.)

System_CAPS_pubeventMouseMove

Occurs when the mouse pointer is moved over the control.(Inherited from Control.)

System_CAPS_pubeventMouseUp

Occurs when the mouse pointer is over the control and a mouse button is released.(Inherited from Control.)

System_CAPS_pubeventMouseWheel

Occurs when the mouse wheel moves while the control has focus.(Inherited from Control.)

System_CAPS_pubeventMove

Occurs when the control is moved.(Inherited from Control.)

System_CAPS_pubeventPaddingChanged

Occurs when the control's padding changes.(Inherited from Control.)

System_CAPS_pubeventPaint

Occurs when the control is redrawn.(Inherited from Control.)

System_CAPS_pubeventParentChanged

Occurs when the Parent property value changes.(Inherited from Control.)

System_CAPS_pubeventPreviewKeyDown

Occurs before the KeyDown event when a key is pressed while focus is on this control.(Inherited from Control.)

System_CAPS_pubeventQueryAccessibilityHelp

Occurs when AccessibleObject is providing help to accessibility applications.(Inherited from Control.)

System_CAPS_pubeventQueryContinueDrag

Occurs during a drag-and-drop operation and enables the drag source to determine whether the drag-and-drop operation should be canceled.(Inherited from Control.)

System_CAPS_pubeventRegionChanged

Occurs when the value of the Region property changes.(Inherited from Control.)

System_CAPS_pubeventResize

Occurs when the control is resized.(Inherited from Control.)

System_CAPS_pubeventResizeBegin

Occurs when a form enters resizing mode.

System_CAPS_pubeventResizeEnd

Occurs when a form exits resizing mode.

System_CAPS_pubeventRightToLeftChanged

Occurs when the RightToLeft property value changes.(Inherited from Control.)

System_CAPS_pubeventRightToLeftLayoutChanged

Occurs after the value of the RightToLeftLayout property changes.

System_CAPS_pubeventScroll

Occurs when the user or code scrolls through the client area.(Inherited from ScrollableControl.)

System_CAPS_pubeventShown

Occurs whenever the form is first displayed.

System_CAPS_pubeventSizeChanged

Occurs when the Size property value changes.(Inherited from Control.)

System_CAPS_pubeventStyleChanged

Occurs when the control style changes.(Inherited from Control.)

System_CAPS_pubeventSystemColorsChanged

Occurs when the system colors change.(Inherited from Control.)

System_CAPS_pubeventTabIndexChanged

This API supports the product infrastructure and is not intended to be used directly from your code. Occurs when the value of the TabIndex property changes.

System_CAPS_pubeventTabStopChanged

Occurs when the TabStop property changes.

System_CAPS_pubeventTextChanged

Occurs when the Text property value changes.(Inherited from Control.)

System_CAPS_pubeventValidated

Occurs when the control is finished validating.(Inherited from Control.)

System_CAPS_pubeventValidating

Occurs when the control is validating.(Inherited from Control.)

System_CAPS_pubeventVisibleChanged

Occurs when the Visible property value changes.(Inherited from Control.)

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