WM_STYLECHANGED message

Sent to a window after the SetWindowLong function has changed one or more of the window's styles.

A window receives this message through its WindowProc function.

#define WM_STYLECHANGED                 0x007D

Parameters

wParam

Indicates whether the window's styles or extended window styles have changed. This parameter can be one or more of the following values.

Value	Meaning
GWL_EXSTYLE -20	The extended window styles have changed.
GWL_STYLE -16	The window styles have changed.

lParam

A pointer to a STYLESTRUCT structure that contains the new styles for the window. An application can examine the styles, but cannot change them.

Type: LRESULT

An application should return zero if it processes this message.

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Winuser.h (include Windows.h)