数字软键盘输入，只有数字输入，不含英文字母,The number of soft keyboard input, only the digital input, non-English letters

用C#开发的软键盘，包括常用的字母键和数字键，对模拟开发软键盘很有帮助，希望能和大家交流。-Soft keyboard with C# development, including the letter keys and number keys, soft keyboard is helpful for simulation development, hope and