代码均是写在partial class Form1 : Form{}代码块之间

const int WS_CLIPCHILDREN = 0x2000000;const int WS_MINIMIZEBOX = 0x20000;const int WS_MAXIMIZEBOX = 0x10000;const int WS_SYSMENU = 0x80000;const int CS_DBLCLKS = 0x8;protected override CreateParams CreateParams{    get    {        CreateParams cp = base.CreateParams;        cp.Style = WS_CLIPCHILDREN | WS_MINIMIZEBOX | WS_SYSMENU;        cp.ClassStyle = CS_DBLCLKS;        return cp;    }}