WM QUERYFRAMEINFO: Difference between revisions
Created page with "This message enables an application to query information about frame windows. ==Syntax== <PRE> param1 ULONG ulReserved; →Reserved value, should be 0.: param2 ULONG ulReserved; →Reserved value, should be 0.: </PRE> ==Parameters== ;ulReserved (ULONG) - Input : Reserved value, should be 0. ;ulReserved (ULONG) - Input : Reserved value, should be 0. ==Returns== ;flFlags (ULONG) - returns : Frame information flags: ::FI_FRAME: Identifies a frame window...." |
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Latest revision as of 01:36, 21 April 2025
This message enables an application to query information about frame windows.
Syntax
param1 ULONG ulReserved; /* Reserved value, should be 0. */ param2 ULONG ulReserved; /* Reserved value, should be 0. */
Parameters
- ulReserved (ULONG) - Input
- Reserved value, should be 0.
- ulReserved (ULONG) - Input
- Reserved value, should be 0.
Returns
- flFlags (ULONG) - returns
- Frame information flags:
- FI_FRAME: Identifies a frame window.
- FI_OWNERHIDE: The frame window is hidden when its owner is hidden.
- FI_NOMOVEWITHOWNER: The frame window does not move with its owner.
- FI_ACTIVATEOK: The frame window may be activated. This means, for example, that the frame window is not disabled.
Remarks
This message can be used to query whether or not a particular window is a frame window.
Default Processing
The default window procedure takes no action on this message, other than to set ulReserved to 0.