Vcl.StdCtrls.TComboBox.OnMeasureItem

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Delphi

property OnMeasureItem;

C++

__property OnMeasureItem;

Properties

Type Visibility Source Unit Parent
event published
Vcl.StdCtrls.pas
Vcl.StdCtrls.hpp
Vcl.StdCtrls TComboBox

Description

Occurs when an item in a csOwnerDrawVariable combo box needs to be redisplayed.

Vcl.StdCtrls.TComboBox.OnMeasureItem inherits from Vcl.StdCtrls.TCustomComboBox.OnMeasureItem. All content below this line refers to Vcl.StdCtrls.TCustomComboBox.OnMeasureItem.

Occurs when an item in a csOwnerDrawVariable combo box needs to be redisplayed.

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.

OnMeasureItem is of type Vcl.StdCtrls.TMeasureItemEvent which contains three parameters describing the item to measure.

See Also