https://issues.dlang.org/show_bug.cgi?id=19571

          Issue ID: 19571
           Summary: Incorrect definition of DTM_FIRST in
                    core.sys.windows.commctrl
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P1
         Component: druntime
          Assignee: nobody@puremagic.com
          Reporter: johnch_atms@hotmail.com

In core.sys.windows.commctrl, DTM_FIRST is incorrectly defined and causes messages using it to fail. It should be 0x1000 instead of 0x10000.

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