In unit LMessages
LMessages
TLMMouseEvent = record
Similar to TCMMouseWheel from Delphi. Be very careful when changing because some ported components depend on the similarity.
Msg
UnusedMsg
WheelDelta
Button
Unused1
X
Y
Unused2
Result
UserData
State
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.