RAD Studio VCL Reference
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TCustomComboBoxEx.GetItemHt Method

Returns the height, in pixels, allocated for each item in the drop-down list.

Pascal
function GetItemHt: Integer; override;
C++
virtual __fastcall int GetItemHt();

Extended combo boxes do not support variable-height items. For this reason, TCustomComboBoxEx overrides the GetItemHt method so that it always returns 16. 

 

ItemHeight

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