DropHandler

This is not yet stable and may break in future versions without notice.

interface DropHandler {

DragAndDropAction dragEnter(DropPackage* );

void dragLeave();

DropParameters dragOver(Point pt);

void drop(DropPackage* );

void finish();

struct DropParameters;

}

Members

Functions

dragEnter DragAndDropAction dragEnter(DropPackage* ): Called when the drag enters the handler's area.
dragLeave void dragLeave(): Called when the drag leaves the handler's area or is cancelled. You should free your resources when this is called.
dragOver DropParameters dragOver(Point pt): Called continually as the drag moves over the handler's area.
drop void drop(DropPackage* ): The user dropped the data and you should process it now. You can access the data through the given DropPackage.
finish void finish(): Called when the drop is complete. You should free whatever temporary resources you were using. It is often reasonable to simply forward this call to dragLeave.

Structs

DropParameters struct DropParameters: Parameters returned by DropHandler.drop.

See Also

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History

Added February 19, 2021

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