Delphi:输入控件限制类型一例，Delphi源码，本源码将输入控件限制为只允许输入浮点数类型，其它类型将不予通过，可输入小数或整数，其它类型无反应。 -Delphi: input control to limit the type of one case, Delphi source code, the source code will be restricted to only allow input control input floating-point type, other t