Static Control Default Message Processing - Win32 Programmer's Reference

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Static Control Default Message Processing

The window procedure for the predefined static control window class performs default processing for all messages that the static control procedure does not process. When the static control returns FALSE for any message, the predefined window procedure checks the messages and carries out the default action described in the following table. In the table, a text static control is a static control with the style SS_LEFTNOWORDWRAP, SS_LEFT, SS_CENTER, SS_RIGHT, or SS_SIMPLE.

Message	Default action
WM_CREATE	Loads the graphic object and sizes the window to the object's size, for graphic static controls. Takes no action for other static controls.
WM_DESTROY	Frees and destroys any graphic object, for graphic static controls. Takes no action for other static controls.
WM_ENABLE	Repaints visible static controls.
WM_ERASEBKGND	Returns TRUE, indicating the control erases the background.
WM_GETDLGCODE	Returns DLGC_STATIC.
WM_GETFONT	Returns the handle of the font for text static controls.
WM_GETTEXTLENGTH	Returns the length, in characters, of the text for a text static control.
WM_LBUTTONDBLCLK	Sends the parent window an STN_DBLCLK notification message if the control style is SS_NOTIFY.
WM_LBUTTONDOWN	Sends the parent window an STN_CLICKED notification message if the control style is SS_NOTIFY.
WM_NCLBUTTONDBLCLK	Sends the parent window an STN_DBLCLK notification message if the control style is SS_NOTIFY.
WM_NCLBUTTONDOWN	Sends the parent window an STN_CLICKED notification message if the control style is SS_NOTIFY.
WM_NCHITTEST	Returns HTCLIENT if the control style is SS_NOTIFY; otherwise, returns HTTRANSPARENT.
WM_PAINT	Repaints the control.
WM_SETFONT	Sets the font and repaints for text static controls.
WM_SETTEXT	Sets the text and repaints for text static controls.

The predefined window procedure passes all other messages to DefWindowProc for default processing.

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