DnDCursor (Example)

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Programmed Drag and Drop

DnDCursor (Example)

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Programmed Drag and Drop

The following code is used to delete the data from a List Box control by Drag and Drop into a Button control associated with a recycle bin icon. The move cursor is displayed during the move (cut/paste) between the List Box control and the Button control "BTN_Bin"

//- - Initialize the Button control BTN_Bin
BTN_Bin..DndTarget = dndProgram

// Call the OnDrop procedure when the left mouse button
// is released on the Button control BTN_Bin
DnDEvent("OnDrop", BTN_Bin, dndDrop)

// Call the OnRollover procedure when the mouse cursor
// moves between the source List Box and BTN_Bin
DnDEvent("OnRollover", BTN_Bin, dndDragOver)

PROCEDURE OnRollover()
// Cursor indicating the move
DnDCursor(dndMove)

// Procedure called by the dndDrop event
PROCÉDURE OnDrop()
// Only the move is allowed (not the copy)
DnDAccept(dndMove)