Form-Hide

Function Name dcl-Form-Hide
Syntax   (dcl-Form-Hide <CONTROL> {Hide [as Boolean]})
Return Type Boolean (T if successful; otherwise NIL)
Applies To All Forms

This method hides or unhides the dialog box. If the optional Hide argument is T, the dialog box is hidden; otherwise it is unhidden. Note that leaving a modal dialog hidden also leaves the AutoCAD window disabled, thus effectively locking up AutoCAD.