|
Each individual message has different flags. Here are the flags
for WM_SYSCOMMAND:
SC_CLOSE - Closes the window.
SC_CONTEXTHELP - Changes the cursor to a question mark
with a pointer. If the user then clicks a control in the dialog
box, the control receives a WM_HELP message.
SC_DEFAULT - Selects the default item; the user double-clicked
the window menu.
SC_HOTKEY - Activates the window associated with the
application-specified hot key. The low-order word of lParam
identifies the window to activate.
SC_HSCROLL - Scrolls horizontally.
SC_KEYMENU - Retrieves the window menu as a result of
a keystroke.
SC_MAXIMIZE - (or SC_ZOOM) Maximizes the window.
SC_MINIMIZE - (or SC_ICON) Minimizes the window.
SC_MONITORPOWER - Windows 95 only: Sets the state of
the display. This command supports devices that have power-saving
features, such as a battery-powered personal computer.
SC_MOUSEMENU - Retrieves the window menu as a result
of a mouse click.
SC_MOVE - Moves the window.
SC_NEXTWINDOW - Moves to the next window.
SC_PREVWINDOW - Moves to the previous window.
SC_RESTORE - Restores the window to its normal position
and size.
SC_SCREENSAVE - Executes the screen saver application
specified in the [boot] section of the SYSTEM.INI file.
SC_SIZE - Sizes the window.
SC_TASKLIST - Executes or activates Windows Task Manager.
SC_VSCROLL - Scrolls vertically.
|