Returns or sets the angle of the callout line. If the callout line contains more than one line segment, this property returns or sets the angle of the segment that is farthest from the callout text box. Can be one of the following MsoCalloutAngleType constants: msoCalloutAngle30, msoCalloutAngle45, msoCalloutAngle60, msoCalloutAngle90, msoCalloutAngleAutomatic, or msoCalloutAngleMixed. Read/write Long.
Remarks
If you set the value of this property to anything other than msoCalloutAngleAutomatic, the callout line maintains a fixed angle as you drag the callout.