When the mouse after the drop-down menu, menu disappeared after removing, how to implement, had better have the code examples

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Void MyButton: : onm ouseMove (UINT nFlags, CPoint point) 
{
if(! M_tracking) 
{
TRACKMOUSEEVENT tme. 
Tme. CbSize=sizeof (tme); 
Tme. DwFlags=TME_HOVER | TME_LEAVE; 
Tme. DwHoverTime=1; 
Tme. HwndTrack=m_hWnd; 
M_tracking=_TrackMouseEvent (& amp; Tme); 
} 
//
If # 1 
If (MK_LBUTTON==nFlags) 
{
CRect rc; 
GetClientRect (& amp; Rc); 
MapWindowPoints (GetParent (), & amp; Rc); 
MapWindowPoints (GetParent (), & amp; Point, 1); 
MoveWindow (point. X-ray m_MouseLast. X, point. The y - m_MouseLast. Y, rc. The Width (), rc, Height ()); 
} 
# endif 
} 
LRESULT MyButton: : onm ouseLeave (WPARAM WPARAM, LPARAM LPARAM) 
{
//afxDump & lt; <"Leave \ n"; 
If (m_hover) 
{
M_hover=false; 
M_tracking=FALSE; 
Invalidate (). 
} 
return 0; 
} 
//
LRESULT MyButton: : onm ouseHover (WPARAM WPARAM, LPARAM LPARAM) 
{
//afxDump & lt; <"Hover \ n"; 
if(! M_hover) 
{
M_hover=true; 
M_tracking=FALSE; 
Invalidate (). 
} 
return 0; 
} 

CodePudding user response:

M_MouseLast, where this

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Void MyButton: : OnLButtonDown (UINT nFlags, CPoint point) 
{
//the transform left - top to point 
CRect rc; 
GetClientRect (& amp; Rc); 
MapWindowPoints (GetParent (), & amp; Rc); 
MapWindowPoints (GetParent (), & amp; Point, 1); 
M_MouseLast. X=point. X-ray rc. Left; 
M_MouseLast. Y=point. Y - rc. Top; 
//afxDump & lt; //
CButton: : OnLButtonDown (nFlags, point); 
} 

CodePudding user response:

Binding MouseOver and MouseLeave trigger events

CodePudding user response:

Menu disappear is refers to the drop-down menu to recover, that is not really lost menu
If (MK_LBUTTON==nFlags)
{
CRect rc;
GetClientRect (& amp; Rc);
MapWindowPoints (GetParent (), & amp; Rc);
MapWindowPoints (GetParent (), & amp; Point, 1);
MoveWindow (point. X-ray m_MouseLast. X, point. The y - m_MouseLast. Y, rc. The Width (), rc, Height ());
}
This code make menu

CodePudding user response:

The mouse click, pop-up drop-down menu, and then move the mouse to the other button, a pop-up menu, move to the button, the button pop-up menu

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How can't the search functions of BBS by vc, vb, the jv plate to search