Use this function to remove a input code from input buffer. The function demands the following parameters:
%CleanUp.ClearInputBuffer(Index)
Thereby the parameter Index can be one of the following values:
0... - numeric index value with range from 0 - (BufferSize)-1
Last - last of all input codes in buffer is deleted
All  - all input codes are deleted from buffer
Example:
%CleanUp.ClearInputBuffer(All)