Expose ScintillaWX DoDragEnter() and DoDragLeave() methods.

These methods are needed to allow implementing alternative wxDropTargets, in
addition to the already public DoDragOver().

Closes #16010.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75977 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/stc/stc.h

@@ -4479,9 +4479,15 @@ public:
 #endif // !wxUSE_TEXTCTRL
 
 #ifdef STC_USE_DND
+    // Allow for simulating a DnD DragEnter
+    wxDragResult DoDragEnter(wxCoord x, wxCoord y, wxDragResult def);
+
     // Allow for simulating a DnD DragOver
     wxDragResult DoDragOver(wxCoord x, wxCoord y, wxDragResult def);
 
+    // Allow for simulating a DnD DragLeave
+    void DoDragLeave();
+
     // Allow for simulating a DnD DropText
     bool DoDropText(long x, long y, const wxString& data);
 #endif