添加鼠标移动事件,编译时出错:
代码如下:ON_EVENT(CHelloView, IDC_MAP, DISPID_MOUSEMOVE,OnMouseMoveInMap,TS_I2 VTS_I2 VTS_XPOS_PIXELS VTS_YPOS_PIXELS)//鼠标移动消息错误: error C2440: 'initializing' : cannot convert from 'char [1]' to 'unsigned int'这是怎么回事?我看书上的例子
代码如下:ON_EVENT(CHelloView, IDC_MAP, DISPID_MOUSEMOVE,OnMouseMoveInMap,TS_I2 VTS_I2 VTS_XPOS_PIXELS VTS_YPOS_PIXELS)//鼠标移动消息错误: error C2440: 'initializing' : cannot convert from 'char [1]' to 'unsigned int'这是怎么回事?我看书上的例子
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你这个错误指向的是你贴的那个事件映射的代码 ???
error C2440: 'initializing' : cannot convert from 'char [5]' to 'unsigned int'
error C2440: 'initializing' : cannot convert from 'void (__thiscall CCmdTarget::*)(void)' to 'unsigned int'
error C2440: 'initializing' : cannot convert from 'void (__thiscall CCmdTarget::*)(void)' to 'unsigned int'
error C2440: 'initializing' : cannot convert from 'unsigned int' to 'void (__thiscall CCmdTarget::*)(void)'
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你这个错误和你上面贴的代码好像没有关系啊
==> VTS_I2 right?
//}}AFX_MSG DECLARE_MESSAGE_MAP() DECLARE_EVENTSINK_MAP() //here 2 在视图类的实现文件.cpp 中加入具体的EVENTSINK
BEGIN_EVENTSINK_MAP(CGisCEView, CView) ON_EVENT(CMapDispView, IDC_MAP, DISPID_MOUSEMOVE, OnMouseMove, VTS_I2 VTS_I2 VTS_XPOS_PIXELS VTS_YPOS_PIXELS) END_EVENTSINK_MAP() 3 然后是实现OnMouseMove 函数的定义
//i MapDispView.h 文件中添加
afx_msg void OnMouseMove(short Button, short Shift, OLE_XPOS_PIXELS x, OLE_YPOS_PIXELS y);
//ii MapDispView.cpp 文件中添加 void CMapDispView::OnMouseMove(short Button, short Shift, OLE_XPOS_PIXELS x, OLE_YPOS_PIXELS y) {
}我就按他说的这样做的,就出现我那样的错误