View source for WM BUTTON2UP

This message occurs when the operator releases button 2 of the pointing device.

==Syntax==
<pre>
param1
    POINTS ptspointerpos; /* Pointer position. */

param2
    USHORT fsHitTestres; /* Hit-test result. */
    USHORT fsflags;       /* Keyboard control codes. */
</pre>

==Parameters==
;''ptspointerpos'' (POINTS) - input: Pointer position in window coordinates relative to the bottom-left corner of the window.
;''fsHitTestres'' (USHORT) - input: Hit-test result. Provides the hit-test result, which determines the window to be associated with this message. For details of the possible values, see [[WM_HITTEST]].
;''fsflags'' (USHORT) - input: Keyboard control codes. In addition to the control codes described with the WM_CHAR message, the following keyboard control code is valid:
:KC_NONE: Indicates that no key is pressed.

==Returns==
;''rc'' (BOOL) - returns: Processed indicator.
:TRUE: Message processed
:FALSE: Message ignored

==Remarks==
This message is posted to the application queue associated with the window that is to receive the pointing device button information. The keyboard control codes specified by ''flags'' reflects the keyboard state at the time the mouse message was initiated. This may or may not reflect the current keyboard state.

===in Frame Controls===
This message is posted to the application queue associated with the window that is to receive the pointer button information.

==Default Processing==
The default window procedure sends the message to the owner window if it exists, otherwise it takes no action on this message other than to set ''rc'' to FALSE.

===in Frame Controls===
The frame control window procedure processes this message identically to [[WM_BUTTON1UP]] (in Frame Controls). 

==Related Messages==
* WM_BUTTON2UP (in Frame Controls)

[[Category:Messages]]