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ssdfasd de4086dbfe docs: Fix core module documentation discrepancies

Fixed the following issues in XCEngine Core module documentation:
- Added 'using namespace XCEngine::Core;' to all code examples that use
  Core types (Event, FileWriter, etc.) without full namespace qualification
- Added missing '#include <XCEngine/Containers/String.h>' to FileWriter
  examples that use Containers::String
- Added '#include <string>' to Flush.md example using std::to_string

Affected files:
- core/core.md: Added using directive and Containers include
- event/*.md: Added using namespace to all 8 event doc files
- filewriter/*.md: Added using namespace and proper includes to all 6 files

2026-03-19 01:04:30 +08:00

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FileWriter::Open

bool Open(const char* filePath, bool append = false);

打开文件。

描述

打开指定路径的文件，准备写入。如果之前已打开文件，会先关闭。返回是否成功打开文件。

参数：

filePath - 要打开的文件路径
append - 是否以追加模式打开，默认为覆盖模式

返回： bool - 是否成功打开

复杂度： O(1)

示例：

#include <XCEngine/Core/FileWriter.h>

using namespace XCEngine::Core;

FileWriter writer;

// 打开文件（覆盖模式）
if (writer.Open("output.txt")) {
    writer.Write("Hello\n");
    writer.Close();
}

// 打开文件（追加模式）
if (writer.Open("log.txt", true)) {
    writer.Write("Another line\n");
    writer.Flush();
}

// 检查是否成功
FileWriter writer2;
if (!writer2.Open("/invalid/path/file.txt")) {
    printf("Failed to open file\n");
}

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FileWriter::Open

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