CONSTANT: WM_WTSSESSION_CHANGE 0x02B1
CONSTANT: WM_TABLET_FIRST 0x02c0
CONSTANT: WM_TABLET_LAST 0x02df
-CONSTANT: WM_DPICHANGED 0x02E0
+CONSTANT: WM_DPICHANGED 0x02e0
+CONSTANT: WM_DPICHANGED_BEFOREPARENT 0x02e2
+CONSTANT: WM_DPICHANGED_AFTERPARENT 0x02e3
+CONSTANT: WM_GETDPISCALEDSIZE 0x2e4
CONSTANT: WM_CUT 0x0300
CONSTANT: WM_COPY 0x0301
CONSTANT: WM_PASTE 0x0302