base/win_util.h - Issue 12434: Focus manager subclassing check

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Unified Diff: base/win_util.h

Issue 12434: Focus manager subclassing check (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: Created 12 years, 1 month ago

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Index: base/win_util.h

===================================================================

--- base/win_util.h (revision 5976)

+++ base/win_util.h (working copy)

@@ -50,6 +50,9 @@

// Useful for subclassing a HWND. Returns the previous window procedure.

WNDPROC SetWindowProc(HWND hwnd, WNDPROC wndproc);

+// Returns true if the existing window procedure is the same as |subclass_proc|.

+bool IsSubclassed(HWND window, WNDPROC subclass_proc);

// Subclasses a window, replacing its existing window procedure with the

// specified one. Returns true if the current window procedure was replaced,

// false if the window has already been subclassed with the specified

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