The Refresh method repaints the control. 

The following VB sample updates the control:

Expression1.Refresh

The following C++ sample updates the control:

m_expression.Refresh();

The following VB.NET sample updates the control:

AxExpression1.CtlRefresh()

The following C# sample updates the control:

axExpression1.CtlRefresh();

The following VFP sample updates the control:

With thisform.Expression1
	.Object.Refresh
EndWith