RAD Studio VCL Reference
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TDBLookupComboBox.DropDownWidth Property

Specifies the width, in pixels, of the drop-down list.

Pascal
property DropDownWidth: Integer;
C++
__property int DropDownWidth;

Use DropDownWidth to customize the width of the drop-down list. If DropDownWidth is 0 (the default), the drop-down list is the same width as the combo box. 

DropDownWidth is useful when displaying multiple lookup fields, and therefore, multiple columns in the database lookup combo box. 

 

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