Datetimepicker validating event

Optionally, invalidates the child controls assigned to the control.(Inherited from Control.) This API supports the product infrastructure and is not intended to be used directly from your code.

Raises the Invalidated event with a specified region of the control to invalidate.(Inherited from Control.) This API supports the product infrastructure and is not intended to be used directly from your code.

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Your clock control now encapsulates a Label control and a Timer component, each with its own set of inherent properties.

While the individual properties of these controls will not be accessible to subsequent users of your control, you can create and expose custom properties by writing the appropriate blocks of code.

Gets a value indicating whether the caller must call an invoke method when making method calls to the control because the caller is on a different thread than the one the control was created on.(Inherited from Control.)Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.(Inherited from Control.)Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.

Optionally, invalidates the child controls assigned to the control.(Inherited from Control.)Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.(Inherited from Control.)Invalidates the specified region of the control (adds it to the control's update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control.To put your control to use, you will need to host it on a form.As with a standard composite control, an inherited composite control cannot stand alone and must be hosted in a form or other container.I am trying to put a datepicker in my page and getting this error. I already searched and looked for other answers to this error, but couldn't find any. This action creates a new control that has all of the properties, methods, and graphical characteristics of the parent control, but can also act as a base for the addition of new or modified functionality.

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