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
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wParam
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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
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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 |
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Minimum supported client |
Windows 2000 Professional [desktop apps only] |
Minimum supported server |
Windows 2000 Server [desktop apps only] |
Header |
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Reference
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Conceptual