win32 右键弹出菜单

#define  CW_ABOUT  100
#define  CW_DOCUMENT 200

POINT t;
GetCursorPos(&t);
HMENU hMenu,hPopupMenu;
hMenu=CreatePopupMenu();
hPopupMenu=CreatePopupMenu();
AppendMenu(hMenu,MF_STRING,CW_ABOUT,"复制");
AppendMenu(hPopupMenu,MF_STRING,CW_DOCUMENT,"删除(&D)");
InsertMenu(hMenu,1,MF_BYPOSITION|MF_STRING|MF_POPUP,(unsigned short)hPopupMenu,"清空");
TrackPopupMenu(hMenu,TPM_TOPALIGN,t.x,t.y,0,::GetFocus(),0);