Demo程序，左键单击窗口会弹出对话框：单击“是”输出“你好”，单击“否”输出“拜拜”~include <windows.h> include <stdio.h> LRESULT CALLBACK WinProc(HWND hwnd, // handle to window UINT uMsg, // message identifier WPARAM wParam, // first message parameter LPARAM lParam /...