static void ValidateExpression(VisualBasicEditor etb)
{
string errorMessage;
if (etb.DoValidation(new ExpressionValidationContext(etb), out errorMessage))
{
etb.UpdateValidationError(errorMessage);
}
}
internal ExpressionValidationContext(VisualBasicEditor etb)
{
Update(etb);
}
internal void Update(VisualBasicEditor etb)
{
Fx.Assert(etb.OwnerActivity != null, "Owner Activity is null");
this.EditingContext = etb.OwnerActivity.GetEditingContext();
//setup ParserContext
this.ParserContext = new ParserContext(etb.OwnerActivity)
{
//callee is a ExpressionTextBox
Instance = etb,
//pass property descriptor belonging to epression's model property (if one exists)
PropertyDescriptor = (null != etb.expressionModelProperty ? ((ModelPropertyImpl)etb.expressionModelProperty).PropertyDescriptor : null),
};
this.ExpressionType = etb.ExpressionType;
this.ValidatedExpressionText = this.ExpressionText;
if (etb.expressionEditorInstance != null)
{
this.ExpressionText = etb.expressionEditorInstance.Text;
}
else if (etb.editingTextBox != null)
{
this.ExpressionText = etb.editingTextBox.Text;
}
else
{
this.ExpressionText = etb.Text;
}
this.UseLocationExpression = etb.UseLocationExpression;
}
public VisualBasicEditorAutomationPeer(VisualBasicEditor owner)
: base(owner)
{
}