WM BUTTON2DOWN
This message occurs when the operator presses button 2 on the pointing device.
Syntax
param1 POINTS ptspointerpos; /* Pointer position. */ param2 USHORT fsHitTestres; /* Hit-test result. */ USHORT fsflags; /* Keyboard control codes. */
Parameters
- ptspointerpos (POINTS) - Input
- Pointer position. The pointer position is in window coordinates relative to the bottom-left corner of the window.
- fsHitTestres (USHORT) - Input
- Hit-test result. fsHitTestres provides the hit-test result. It contains the value returned from the hit test process, which determined 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 codes are 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.
It is the responsibility of the application to ensure that the appropriate frame window is activated and that the focus is to the appropriate window, by using the WinSetFocus function. 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 processes this message identically to WM_BUTTON1DOWN.
in Frame Controls
The frame control window procedure processes this message identically to WM_BUTTON1DOWN (in Frame Controls).
Related Messages
- WM_BUTTON2DOWN (in Frame Controls)