msgs12.hlp (Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Button messages (1.2)
Notification Group  Message Groups  Overview    Up Next Previous
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BM_CLICK            Simulates a button click
BM_QUERYCHECK       Retrieves button check state
BM_QUERYCHECKINDEX  Retrieves index of checked radio button
BM_QUERYHILITE      Retrieves highlighted state
BM_SETCHECK         Sets/removes button check state
BM_SETDEFAULT       Sets/removes button's default state
BM_SETHILITE        Sets/removes button's highlighted state
WM_BUTTON1DBLCLK    Indicates a button-one double-click
WM_BUTTON2DBLCLK    Indicates a button-two double-click
WM_BUTTON3DBLCLK    Indicates a button-three double-click
WM_BUTTON1DOWN      Indicates that button one is down
WM_BUTTON1UP        Indicates that button one has been released
WM_BUTTON2DOWN      Indicates that button two is down
WM_BUTTON2UP        Indicates that button two has been released
WM_BUTTON3DOWN      Indicates that button three is down
WM_BUTTON3UP        Indicates that button three has been released