The following table describes the messages that are sent to each window whose boundaries are crossed as the user drags the object around the screen:
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿘essage Name 쿏escription � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿏M_DRAGOVER 쿞ent to the window under the pointer as � � 퀃he pointer is dragged across it. A � � 퀂ingle DM_DRAGOVER message is sent each � � 퀃ime the pointer moves and each time a � � 쿸ey is pressed or released, and it � � 쿬ontains a pointer to the DRAGINFO data � � 퀂tructure. The target can access this � � 쿭ata structure with DrgAccessDraginfo. � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿏M_DRAGLEAVE 쿞ent whenever the DM_DRAGOVER message � � 쿴as been sent to a window, and the � � 쿾ointer is moved outside the bounds of � � 퀃hat window. If the target or an object � � 쿶n the window had been emphasized as a � � 퀃arget, it should be de-emphasized. � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿏M_DROP 쿞ent to the target to provide it with � � 퀃he information necessary to establish a� � 쿬onversation for data exchange with the � � 퀂ource. The target should immediately � � 퀁emove any target emphasis. The data � � 퀃ransfers must not be done before � � 퀁esponding to the DM_DROP message. � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿏M_DROPHELP 쿛osted to a target to indicate that the � � 퀅ser requested help for the drag � � 쿽peration while over that target. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�