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API > API/Developer > API/Developer/ToolWidgets > API/Developer/ToolWidgets/SSearchableComboBox > API/Developer/ToolWidgets/SSearchableComboBox/FArguments
References
| Module | ToolWidgets |
| Header | /Engine/Source/Developer/ToolWidgets/Public/SSearchableComboBox.h |
| Include | #include "SSearchableComboBox.h" |
WidgetArgsType & OnComboBoxOpening
&40;
const FOnComboBoxOpening & InDelegate
&41;
Remarks
Called when combo box is opened, before list is actually created