RAD Studio VCL Reference
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TCustomComboBox.OnMeasureItem Event
TCustomComboBox Class | TCustomComboBox Members | StdCtrls Namespace | Description | See Also
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Occurs when an item in a csOwnerDrawVariable combo box needs to be redisplayed.

Pascal
property OnMeasureItem: TMeasureItemEvent;
C++
__property TMeasureItemEvent OnMeasureItem;
Description

When Style is set to csOwnerDrawVariable, the OnMeasureItem event precedes OnDrawItem. Write an OnMeasureItem event handler to specify the height, in pixels, needed to draw an item in the drop-down list. 

 

See Also
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