wpDrop - Parameters

somSelf (WPObject *) - input

Pointer to the object on which the method is being invoked.

Points to an object of class WPObject.

hwndCnr (HWND) - input

Handle to the container control window.

pdrgInfo (PDRAGINFO) - input

Pointer to a DRAGINFO structure.

This parameter is used to access all the objects in the drop set, if multiple objects are being dropped.

pdrgItem (PDRAGITEM) - input

Pointer to a DRAGITEM structure.

This is the object that is currently being dropped.

rc (MRESULT) - returns

Return code.

RC_DROP_DROPCOMPLETE

All objects in the drag set have been dropped successfully. wpDrop is not called for the next item in the drop set, and pdrgInfo is not freed.
RC_DROP_ERROR
An error occurred while processing the drop operation. The drop operation is terminated, wpDrop is not called for the next item in the drop set, and pdrgInfo is freed.
RC_DROP_ITEMCOMPLETE
One object in the drag set, specified by pdrgItem, has been dropped successfully. pdrgInfo is freed after all objects in the drop set have been dropped.
RC_DROP_RENDERING
The object being dropped has asked for a rendering of the source object. wpDrop is called for the next item in the drop set, pdrgInfo is freed after all objects in the drop set have been dropped.

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