CStringT::Delete

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了解如何使用CStringT类的Delete函数删除字符串中指定位置的字符，包括参数解释、返回值及示例代码。

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CStringT::Delete

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Deletes a character or characters from a string starting with the character at the given index.

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int Delete(
   int iIndex,
   int nCount = 1
);

int Delete(
   int iIndex,
   int nCount = 1
);

Parameters

iIndex

The zero-based index of the first character in the CStringT object to delete.

nCount

The number of characters to be removed.

Return Value

The length of the changed string.

Remarks

If nCount is longer than the string, the rest of the string will be removed.

Example

JavaScript

C++

JScript

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// typedef CStringT<TCHAR, StrTraitATL<TCHAR, ChTraitsCRT<TCHAR>>> CAtlString;

CAtlString str(_T("Soccer is best, but hockey is quicker!"));
_tprintf_s(_T("Before: %s\n"), (LPCTSTR)str);

int n = str.Delete(6, 3);
_tprintf_s(_T("After: %s\n"), (LPCTSTR)str);
ASSERT(n == str.GetLength());

// typedef CStringT<TCHAR, StrTraitATL<TCHAR, ChTraitsCRT<TCHAR>>> CAtlString;

CAtlString str(_T("Soccer is best, but hockey is quicker!"));
_tprintf_s(_T("Before: %s\n"), (LPCTSTR)str);

int n = str.Delete(6, 3);
_tprintf_s(_T("After: %s\n"), (LPCTSTR)str);
ASSERT(n == str.GetLength());

Before: Soccer is best, but hockey is quicker!
After: Soccer best, but hockey is quicker!

Requirements

Header: cstringt.h

Reference

CStringT Class

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