String.ToUpper メソッド
大文字で構成される String のコピーを返します。
オーバーロードの一覧
現在のカルチャの大文字と小文字の規則を使用して、この String のコピーを大文字で返します。
.NET Compact Framework でもサポート。
[Visual Basic] Overloads Public Function ToUpper() As String
[JScript] public function ToUpper() : String;
指定したカルチャの大文字と小文字の規則を使用して、この String のコピーを大文字で返します。
.NET Compact Framework でもサポート。
[Visual Basic] Overloads Public Function ToUpper(CultureInfo) As String
使用例
[Visual Basic, C#, C++] メモ ここでは、ToUpper のオーバーロード形式のうちの 1 つだけについて、使用例を示します。その他の例については、各オーバーロード形式のトピックを参照してください。
' Sample for String.ToUpper(CultureInfo)
Imports System
Imports System.Globalization
Imports Microsoft.VisualBasic
Class Sample
Public Shared Sub Main()
Dim str1 As [String] = "indigo"
Dim str2, str3 As [String]
Console.WriteLine()
Console.WriteLine("str1 = '{0}'", str1)
Console.WriteLine("str2 = Upper case copy of str1 using English-United States culture.")
' str2 is an upper case copy of str1, using English-United States culture.
str2 = str1.ToUpper(New CultureInfo("en-US", False))
' str3 is an upper case copy of str1, using Turkish-Turkey culture.
Console.WriteLine("str3 = Upper case copy of str1 using Turkish-Turkey culture.")
str3 = str1.ToUpper(New CultureInfo("tr-TR", False))
' Compare the code points in str2 and str3.
Console.WriteLine()
Console.WriteLine("str2 is {0} to str3.", IIf(0 = [String].CompareOrdinal(str2, str3), "equal", "not equal"))
CodePoints("str1", str1)
CodePoints("str2", str2)
CodePoints("str3", str3)
End Sub 'Main
Public Shared Sub CodePoints(title As [String], s As [String])
Console.Write("{0}The code points in {1} are: {0}", Environment.NewLine, title)
Dim c As Char
For Each c In s
Console.Write("{0:x4} ", AscW(c))
Next c
Console.WriteLine()
End Sub 'CodePoints
End Class 'Sample
'
'This example produces the following results:
'
'str1 = 'indigo'
'str2 = Upper case copy of str1 using English-United States culture.
'str3 = Upper case copy of str1 using Turkish-Turkey culture.
'
'str2 is not equal to str3.
'
'The code points in str1 are:
'0069 006e 0064 0069 0067 006f
'
'The code points in str2 are:
'0049 004e 0044 0049 0047 004f
'
'The code points in str3 are:
'0130 004e 0044 0130 0047 004f
'
[C#]
// Sample for String.ToUpper(CultureInfo)
using System;
using System.Globalization;
class Sample
{
public static void Main()
{
String str1 = "indigo";
String str2, str3;
Console.WriteLine();
Console.WriteLine("str1 = '{0}'", str1);
Console.WriteLine("str2 = Upper case copy of str1 using English-United States culture.");
// str2 is an upper case copy of str1, using English-United States culture.
str2 = str1.ToUpper(new CultureInfo("en-US", false));
// str3 is an upper case copy of str1, using Turkish-Turkey culture.
Console.WriteLine("str3 = Upper case copy of str1 using Turkish-Turkey culture.");
str3 = str1.ToUpper(new CultureInfo("tr-TR", false));
// Compare the code points in str2 and str3.
Console.WriteLine();
Console.WriteLine("str2 is {0} to str3.",
((0 == String.CompareOrdinal(str2, str3)) ? "equal" : "not equal"));
CodePoints("str1", str1);
CodePoints("str2", str2);
CodePoints("str3", str3);
}
public static void CodePoints(String title, String s)
{
Console.Write("{0}The code points in {1} are: {0}", Environment.NewLine, title);
foreach (ushort u in s)
Console.Write("{0:x4} ", u);
Console.WriteLine();
}
}
/*
This example produces the following results:
str1 = 'indigo'
str2 = Upper case copy of str1 using English-United States culture.
str3 = Upper case copy of str1 using Turkish-Turkey culture.
str2 is not equal to str3.
The code points in str1 are:
0069 006e 0064 0069 0067 006f
The code points in str2 are:
0049 004e 0044 0049 0047 004f
The code points in str3 are:
0130 004e 0044 0130 0047 004f
*/
[C++]
// Sample for String::ToUpper(CultureInfo)
#using <mscorlib.dll>
using namespace System;
using namespace System::Globalization;
void CodePoints(String* title, String* s) {
Console::Write(S" {0}The code points in {1} are: {0}", Environment::NewLine, title);
System::Collections::IEnumerator* myEnum = s->GetEnumerator();
while (myEnum->MoveNext()) {
UInt16 u = *__try_cast<Char*>(myEnum->Current);
Console::Write(S"{0:x4} ", __box( u));
}
Console::WriteLine();
}
int main() {
String* str1 = S"indigo";
String* str2, *str3;
Console::WriteLine();
Console::WriteLine(S"str1 = ' {0}'", str1);
Console::WriteLine(S"str2 = Upper case copy of str1 using English-United States culture.");
// str2 is an upper case copy of str1, using English-United States culture.
str2 = str1->ToUpper(new CultureInfo(S"en-US", false));
// str3 is an upper case copy of str1, using Turkish-Turkey culture.
Console::WriteLine(S"str3 = Upper case copy of str1 using Turkish-Turkey culture.");
str3 = str1->ToUpper(new CultureInfo(S"tr-TR", false));
// Compare the code points in str2 and str3.
Console::WriteLine();
Console::WriteLine(S"str2 is {0} to str3.",
((0 == String::CompareOrdinal(str2, str3)) ? S"equal" : S"not equal"));
CodePoints(S"str1", str1);
CodePoints(S"str2", str2);
CodePoints(S"str3", str3);
}
/*
This example produces the following results:
str1 = 'indigo'
str2 = Upper case copy of str1 using English-United States culture.
str3 = Upper case copy of str1 using Turkish-Turkey culture.
str2 is not equal to str3.
The code points in str1 are:
0069 006e 0064 0069 0067 006f
The code points in str2 are:
0049 004e 0044 0049 0047 004f
The code points in str3 are:
0130 004e 0044 0130 0047 004f
*/
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