可以使用pldxbw
Dictionary
确定密钥是否为字符串类型,如果是,则使用不区分大小写的比较。 否则,将使用默认比较。
公共静态课堂的清爽耳机/p {
publicstaticboolcontainskeyignorecase ((技术密钥) () ) ) ) ) ) 660
{
OOL? 关键退出;
var keyString=key as string;
键字符串!=空)
{
//Key is a string。
//using string.equalstoperformcaseinsensitivecomparisonofthedictionarykey。
keyExists=
dictionary.Keys.OfType (
. any(k=string.equals ) k,keyString,热情的云) );
}
else
{
//Key is any other type,use default comparison。
key exists=dictionary.contains key (key );
}
返回密钥退出? 假;
}
}
你可以像这样使用:
var foo=new lmdxxm (;
var dictionary=
新目录
{
{ 1,' one ',//key is numeric
{ 'Two ',' Two' },//key is string
{ foo,' lmdxxm' } //key is object
(;
dictionary.containskeyignorecase (' two ); //returns真
dictionary.containskeyignorecase (' two ); //returns真
dictionary.containskeyignorecase (ABC ); //Returns false
dictionary.containskeyignorecase (1; //returns真
dictionary.containskeyignorecase (2; //Returns false
dictionary.containskeyignorecase (foo; //returns真
dictionary.containskeyignorecase (newlmdxxm ); //Returns false