#include “BiAnno.h”
BOOL CALLBACK AnnoUIOnLButtonDown( INT_PTR PAnno,
HDC hDC,
UINT nFlags,
POINT point );
Description
Handles user interface task when left mouse button is pressed.
It must be called on the WM_LBUTTONDOWN message handler function, if the mouse pointer is given to the annotation handler.
The parameter point must be mapped to the image.
Parameters
|
INT_PTR |
pAnno |
Annotation handle |
|
HDC |
hDC |
DC to paint onto if necessary |
|
UINTnFlags |
nFlags |
Indicates whether various virtual keys are down. |
|
POINT |
point |
Mouse coordinates |
Return value
TRUE if repaint necessary.
The update area can be obtained by the AnnoUIGetUpdateRect function
Programming Notes
None
Code Example
None