OlkTextBox.Locked Property (Outlook)
Returns or sets a Boolean that specifies whether or not the control is locked from being changed. Read/write.
Version Information
Version Added: Outlook 2007
Syntax
expression .Locked
expression A variable that represents an OlkTextBox object.
Remarks
The default value is False.
When the control is locked, the control does not have a "disabled" appearance, but the user cannot edit the contents of the control.