All Databases Inside Mac - Basic Toolbox

GetCtlValue

Obtain the current setting of a control

#include <Controls.h> Control Manager

short GetCtlValue(theControl );

ControlHandle theControl ; handle of control to query

returns control's current setting; contrlValue

GetCtlValue returns the current setting of a control; i.e., the value in the

contrlValue field of its ControlRecord structure.

theControl is a handle leading to a variable-length ControlRecord structure. It

specifies which control to query.

Returns: a short; the current setting of the control.

Notes: If you stick with using SetCtlValue (rather than manipulating the

ControlRecord directly), you can be certain that the return value will be

between contrlMin and contrlMax.

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