UpDownBase::OnTextBoxLostFocus Method (Object^, EventArgs^)
.NET Framework (current version)
Raises the LostFocus event.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Parameters
- source
-
Type:
System::Object^
The source of the event.
- e
-
Type:
System::EventArgs^
An EventArgs that contains the event data.
This method validates the text in the text box portion of the control when the spin box (also known as an up-down control) loses focus.
Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.
The OnTextBoxLostFocus method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.
Notes to Inheritors:
When overriding OnTextBoxLostFocus in a derived class, be sure to call the base class's OnTextBoxLostFocus method so that registered delegates receive the event.
.NET Framework
Available since 1.1
Available since 1.1
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