我给button建了一个类,类中添加OnMouseMove方法,写了如下代码:
void CButtonExit::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CButtonExit btn;
btn.SetWindowText("hello");
CButton::OnMouseMove(nFlags, point);
}
当鼠标悬浮在该按钮上,没有提示,为什么??
void CButtonExit::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CButtonExit btn;
btn.SetWindowText("hello");
CButton::OnMouseMove(nFlags, point);
}
当鼠标悬浮在该按钮上,没有提示,为什么??