WM TRACKFRAME

This message is sent to a window whenever it is to be moved or sized.

in Frame Controls

This message is sent to a frame window whenever it is to be moved or sized.

Syntax

param1
    USHORT fsTrackFlags; /* Tracking flags. */

param2
    ULONG  ulReserved;  /* Reserved value, should be 0. */

in Frame Controls

param1
     USHORT  fsTrackFlags  /*  Tracking flags. */

param2
     ULONG   ulReserved    /*  Reserved value, should be 0. */

Parameters

fsTrackFlags (USHORT) - input

Tracking flags. Contains a combination of one or more TF_* flags; for details, see the TRACKINFO data structure description.

ulReserved (ULONG) - input

Reserved value, should be 0.

in Frame Controls

fsTrackFlags (USHORT) - input

Tracking flags.

Contains a combination of one or more TF_* flags; for details, see the TRACKINFO data structure.

ulReserved (ULONG) - input

Reserved value, should be 0.

Returns

rc (BOOL) - returns

Success indicator

TRUE: The operation is successful.

FALSE: The operation is unsuccessful, or the operation is terminated.

Remarks

Respond to this message by causing a tracking rectangle to be drawn to move or size the window. For information, see WinTrackRect.

in Frame Controls

The frame control window procedure responds to this message by causing a tracking rectangle to be drawn to move or size the window. For information, see the WinTrackRect function.

in Title Bar Controls

The title bar control window procedure generates this message and sends it to its owner, informing the owner that a mouse button down message has been received.

Default Processing

None.

in Frame Controls

The default window procedure takes no action on this message, other than to set rc to TRUE.

in Title Bar Controls

The default window procedure takes no action on this message, other than to set rc to FALSE.

Related Messages

• WM_TRACKFRAME (in Frame Controls)
• WM_TRACKFRAME (in Title Bar Controls)