新建Form ,拖入设备组件inputPanel

foreach (InputMethod im in this.inputPanel1 .InputMethods)

    {

        this.listBox1.Items.Add(im.Name);

    }

2． 显示输入面板

   [System.Runtime.InteropServices.DllImport("coredll.dll")]

internal static extern uint SipShowIM(long  flags);

SipShowIM(0);//隐藏

SipShowIM(0);//显示

3． 设置控件输入法

   Microsoft.WindowsCE.Forms.InputModeEditor.SetInputMode(this.textBox1, InputMode. Numeric);