说明

详见：

https://www.cnblogs.com/zhaoshujie/p/12434465.html

代码方式解决

亲测好用

static void Main()
{

    if (Environment.OSVersion.Version.Major >= 6)
    {
        SetProcessDPIAware();
    }
    Application.EnableVisualStyles();
    Application.SetCompatibleTextRenderingDefault(false);
    Application.Run(new Form1());
}

[System.Runtime.InteropServices.DllImport("user32.dll")]
private static extern bool SetProcessDPIAware();