HMBalloonRect

Get the coordinates of the help message rectangle

#include <Balloons.h> Help Manager

OSErr HMBalloonRect ( aHelpMsg, coolRect);

HMMessageRecord * aHelpMsg; the help information

Rect *coolRect; the rectangle coordinates

You can specify the help information for a help balloon and then use

the HMBalloonRect function to get the coordinates of the rectangle

that the

Help Manager would use to display the help balloon.

aHelpMsg specifies the help information for a help balloon. The aHelpMsg

parameter is of data type HMMessageRecord. The section en titled,

record.

coolRect specifies the rectangle coordinates. The coordinates of the returned

rectangle are zero-based, with (0,0) the coordinates of the

upper-left corner of the rectangle. The coolRect parameter gives the

coordinates of the rectangle that encloses the user help information.

Returns: an Error Code.

noErr (0) No error

paramErr (-50) Error in parameter list

memFullErr (-108) Not enough room in heap zone

Notes: You can use the HMBalloonRect function to find out the size (not the

position) of the rectangle for a help balloon message.

The HMBalloonRect function calculates the coordinates that the

Help Manager will use if you show this help balloon. The

HMBalloonRect function returns the rectangle coordinates in the

coolRect parameter.

Referenced by (3):