253 lines
6.7 KiB
Plaintext
253 lines
6.7 KiB
Plaintext
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My tests show that Windows window management events behave like described
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in this file, at least under Win98.
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The (16/32) or (16) or (32) at the end shows whether the sequence has been
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confirmed for win16, win32, or both.
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Window Edge Styles (Win95/98 look):
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WS_EX_DLGMODALFRAME: double border, WS_CAPTION allowed
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WS_DLGFRAME: double border, WS_CAPTION not allowed (but possibly shown anyway)
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WS_THICKFRAME: thick border
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WS_BORDER (default for top-level windows): single black border
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none (default for child windows): no border
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CreateWindow (for overlapped window, not initially visible) (16/32)
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Messages sent:
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WM_GETMINMAXINFO
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WM_NCCREATE
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WM_NCCALCSIZE (wParam=0)
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WM_CREATE
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ShowWindow (for overlapped window) (16/32)
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Messages sent:
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WM_SHOWWINDOW (wParam=1)
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WM_WINDOWPOSCHANGING (NOMOVE|NOSIZE|SHOWWINDOW)
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WM_QUERYNEWPALETTE, if in 256-color mode
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WM_WINDOWPOSCHANGING (NOMOVE|NOSIZE)
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WM_ACTIVATEAPP (wParam=1)
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WM_NCACTIVATE (wParam=1)
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DefWindowProc:
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WM_GETTEXT
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WM_ACTIVATE (wParam=1)
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DefWindowProc:
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WM_SETFOCUS (wParam=0)
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WM_NCPAINT (wParam=1)
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DefWindowProc:
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WM_GETTEXT
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WM_ERASEBKGND
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WM_WINDOWPOSCHANGED (NOMOVE|NOSIZE|NOZORDER|SHOWWINDOW)
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WM_SIZE (NOT from DefWindowProc)
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WM_MOVE (NOT from DefWindowProc)
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(WM_NCHITTEST and WM_SETCURSOR will tend to follow immediately after the
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ShowWindow if the mouse is inside the window)
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DestroyWindow (for overlapped window) (32)
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Messages sent:
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WM_WINDOWPOSCHANGING (wParam=0)
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WM_WINDOWPOSCHANGED (wParam=0)
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WM_NCACTIVATE (wParam=0)
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WM_ACTIVATE (wParam=0)
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WM_ACTIVATEAPP (wParam=0)
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WM_KILLFOCUS (wParam=0)
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WM_DESTROY
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WM_NCDESTROY
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CreateWindow (for child window, not initially visible)
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Messages sent:
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WM_NCCREATE
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WM_NCCALCSIZE (wParam=0)
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WM_CREATE
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WM_SIZE
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WM_MOVE
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(to parent window) WM_PARENTNOTIFY (wParam=1)
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ShowWindow (for child window)
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Messages sent:
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WM_SHOWWINDOW (wParam=1)
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WM_WINDOWPOSCHANGING (wParam=0)
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(to parent window) WM_ERASEBKGND
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WM_WINDOWPOSCHANGED (wParam=0)
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DestroyWindow (for child window)
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Messages sent:
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(to parent window) WM_PARENTNOTIFY (wParam=2)
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WM_SHOWWINDOW (wParam=0)
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WM_WINDOWPOSCHANGING (wParam=0)
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(to parent window) WM_ERASEBKGND
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WM_WINDOWPOSCHANGED (wParam=0)
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WM_DESTROY
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WM_NCDESTROY
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Moving the mouse:
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Messages sent:
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WM_NCHITTEST
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WM_SETCURSOR
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Messages posted:
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WM_MOUSEMOVE, if WM_NCHITTEST returns HTCLIENT
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WM_NCMOUSEMOVE, if WM_NCHITTEST returns somewhere in nonclient area (not HTNOWHERE)
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Moving by dragging the title bar (after WM_NCHITTEST and WM_SETCURSOR) (outline move):
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WM_NCLBUTTONDOWN (wParam=2=HTCAPTION)
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DefWindowProc:
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WM_SYSCOMMAND (wParam=0xf012=SC_MOVE+2)
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DefWindowProc:
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WM_GETMINMAXINFO
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WM_ENTERSIZEMOVE
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WM_WINDOWPOSCHANGING
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WM_WINDOWPOSCHANGED
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DefWindowProc:
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WM_MOVE
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WM_EXITSIZEMOVE
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Sizing by dragging the thick borders (after WM_NCHITTEST and WM_SETCURSOR) (outline move):
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WM_NCLBUTTONDOWN (wParam=0xd)
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DefWindowProc:
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WM_SYSCOMMAND (wParam=0xf004)
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DefWindowProc:
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WM_GETMINMAXINFO
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WM_ENTERSIZEMOVE
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WM_SIZING (wParam=4) (many times, probably one for each mouse movement)
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WM_WINDOWPOSCHANGING
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DefWindowProc:
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WM_GETMINMAXINFO
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WM_NCCALCSIZE (wParam=1)
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WM_NCPAINT (wParam=1)
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DefWindowProc:
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WM_GETTEXT
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WM_ERASEBKGND
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WM_WINDOWPOSCHANGED
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DefWindowProc:
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WM_MOVE
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WM_SIZE
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WM_EXITSIZEMOVE
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Resizing child window with MoveWindow (32):
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WM_WINDOWPOSCHANGING
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WM_NCCALCSIZE (wParam=1)
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WM_ERASEBKGND
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WM_WINDOWPOSCHANGED
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DefWindowProc:
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WM_MOVE
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WM_SIZE
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Clicking on inactive button:
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Messages sent:
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WM_NCHITTEST
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(to parent window) WM_PARENTNOTIFY (wParam=0x201=WM_LBUTTONDOWN)
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WM_MOUSEACTIVATE
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ButtonProc->DefWindowProc:
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(to parent window) WM_MOUSEACTIVATE
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WM_SETCURSOR
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ButtonProc->DefWindowProc:
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(to parent window) WM_SETCURSOR
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Messages posted:
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WM_LBUTTONDOWN
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(to parent window) WM_KILLFOCUS
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WM_SETFOCUS
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(to parent window) WM_CTLCOLORBTN
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BM_SETSTATE32
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(to parent window) WM_CTLCOLORBTN
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WM_LBUTTONUP
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BM_SETSTATE32
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(to parent window) WM_CTLCOLORBTN
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(to parent window) WM_COMMAND
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Reparenting a button (16/32):
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WM_SHOWWINDOW (wParam=0)
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WM_WINDOWPOSCHANGING (HIDEWINDOW|NOACTIVATE|NOMOVE|NOSIZE|NOZORDER)
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(to parent window) WM_ERASEBKGND
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WM_WINDOWPOSCHANGED (HIDEWINDOW|NOACTIVATE|NOMOVE|NOSIZE|NOZORDER)
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WM_WINDOWPOSCHANGING (NOSIZE|NOZORDER)
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WM_CHILDACTIVATE
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WM_WINDOWPOSCHANGED (NOSIZE|NOREDRAW|NOZORDER)
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DefWindowProc:
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WM_MOVE
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WM_SHOWWINDOW (wParam=1)
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The last child (button) reparented gets topmost for its new parent.
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Creation of a modal dialog (32):
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(to parent window) WM_CANCELMODE
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(to parent window) WM_KILLFOCUS
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(to parent window) WM_ENABLE (wParam=0)
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(window proc creation messages not tracked yet, because...)
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(dlgproc) WM_SETFONT
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(dlgproc) WM_INITDIALOG
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(...the window proc message hook was installed here, IsVisible still FALSE)
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(to parent window) WM_NCACTIVATE (wParam=0)
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DefWindowProc:
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WM_GETTEXT
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(to parent window) WM_ACTIVATE (wParam=0)
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WM_WINDOWPOSCHANGING
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(to parent window) WM_WINDOWPOSCHANGING
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WM_NCACTIVATE (wParam=1)
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WM_ACTIVATE (wParam=1)
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(setting focus)
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WM_SHOWWINDOW (wParam=1)
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WM_WINDOWPOSCHANGING
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WM_NCPAINT
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DefWindowProc:
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WM_GETTEXT
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WM_ERASEBKGND
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DialogWindowProc(?):
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WM_CTLCOLORDLG
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WM_WINDOWPOSCHANGED
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WM_PAINT
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(bunch of WM_CTLCOLOR* for each control)
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(to parent window) WM_PAINT
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(to parent window) WM_ENTERIDLE (wParam=0)
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(to parent window) WM_SETCURSOR
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Destruction of a modal dialog (32):
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(inside dialog proc: EndDialog is called)
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(to parent window) WM_ENABLE (wParam=1)
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WM_SETFOCUS
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WM_WINDOWPOSCHANGING
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(to parent window) WM_NCPAINT
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DefWindowProc:
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WM_GETTEXT
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(to parent window) WM_ERASEBKGND
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WM_WINDOWPOSCHANGED
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WM_NCACTIVATE (wParam=0)
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WM_ACTIVATE (wParam=0)
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WM_WINDOWPOSCHANGING
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(to parent window) WM_WINDOWPOSCHANGING
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(to parent window) WM_NCACTIVATE (wParam=1)
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DefWindowProc:
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WM_GETTEXT
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(to parent window) WM_ACTIVATE (wParam=1)
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(to dialog) WM_KILLFOCUS
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(to parent window) WM_SETFOCUS
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WM_DESTROY
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WM_NCDESTROY
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Creation of a modal dialog that is resized inside WM_INITDIALOG (32):
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(inside dialog proc, handling WM_INITDIALOG)
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WM_WINDOWPOSCHANGING
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WM_NCCALCSIZE
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(to parent window) WM_NCACTIVATE (wParam=0)
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DefWindowProc:
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WM_GETTEXT
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(to parent window) WM_ACTIVATE (wParam=0)
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WM_WINDOWPOSCHANGING
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(to parent window) WM_WINDOWPOSCHANGING
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WM_NCACTIVATE (wParam=1)
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WM_ACTIVATE (wParam=1)
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WM_WINDOWPOSCHANGED
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DefWindowProc:
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WM_SIZE
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(setting focus)
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WM_SHOWWINDOW (wParam=1)
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WM_WINDOWPOSCHANGING
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WM_NCPAINT
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DefWindowProc:
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WM_GETTEXT
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WM_ERASEBKGND
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DialogWindowProc(?):
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WM_CTLCOLORDLG
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WM_WINDOWPOSCHANGED
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WM_PAINT
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(bunch of WM_CTLCOLOR* for each control)
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(to parent window) WM_PAINT
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(to parent window) WM_ENTERIDLE (wParam=0)
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(to parent window) WM_SETCURSOR
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