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   pmyView->GetEditCtrl().GetSel(nStartChar, nEndChar);	

#include <afxwin.h>
#include <string>

// Function to convert byte offset to character offset in a UTF-8 string
int ByteOffsetToCharOffset(const std::string& utf8Str, int byteOffset) {
    int charOffset = 0;
    int i = 0;

    while (i < byteOffset) {
        if ((utf8Str[i] & 0x80) == 0) {
            i += 1;
        } else if ((utf8Str[i] & 0xE0) == 0xC0) {
            i += 2;
        } else if ((utf8Str[i] & 0xF0) == 0xE0) {
            i += 3;
        } else if ((utf8Str[i] & 0xF8) == 0xF0) {
            i += 4;
        } else {
            i += 1;
        }
        charOffset++;
    }

    return charOffset;
}

// Function to convert character offset to byte offset in a UTF-8 string
int CharOffsetToByteOffset(const std::string& utf8Str, int charOffset) {
    int byteOffset = 0;
    int charCount = 0;

    while (charCount < charOffset && byteOffset < utf8Str.size()) {
        if ((utf8Str[byteOffset] & 0x80) == 0) {
            byteOffset += 1;
        } else if ((utf8Str[byteOffset] & 0xE0) == 0xC0) {
            byteOffset += 2;
        } else if ((utf8Str[byteOffset] & 0xF0) == 0xE0) {
            byteOffset += 3;
        } else if ((utf8Str[byteOffset] & 0xF8) == 0xF0) {
            byteOffset += 4;
        } else {
            byteOffset += 1;
        }
        charCount++;
    }

    return byteOffset;
}

// Function to get the corrected selection offsets (character offsets) from a CEdit control
void GetCorrectedSelection(CEdit& editCtrl, int& startCharOffset, int& endCharOffset) {
    CString text;
    editCtrl.GetWindowText(text);
    std::string utf8Str = CT2A(text, CP_UTF8);

    DWORD startByteOffset, endByteOffset;
    editCtrl.GetSel(startByteOffset, endByteOffset);

    startCharOffset = ByteOffsetToCharOffset(utf8Str, startByteOffset);
    endCharOffset = ByteOffsetToCharOffset(utf8Str, endByteOffset);
}

// Function to set the selection in a CEdit control using character offsets
void SetCorrectedSelection(CEdit& editCtrl, int startCharOffset, int endCharOffset) {
    CString text;
    editCtrl.GetWindowText(text);
    std::string utf8Str = CT2A(text, CP_UTF8);

    int startByteOffset = CharOffsetToByteOffset(utf8Str, startCharOffset);
    int endByteOffset = CharOffsetToByteOffset(utf8Str, endCharOffset);

    editCtrl.SetSel(startByteOffset, endByteOffset);
}

// Example usage in your message handler or wherever appropriate
void SomeFunction() {
    CEdit editCtrl; // Assuming this is properly initialized and points to your edit control
    int startCharOffset, endCharOffset;

    // Get the corrected selection
    GetCorrectedSelection(editCtrl, startCharOffset, endCharOffset);

    // Now startCharOffset and endCharOffset are the correct character offsets
    // For demonstration, let's set the selection back to the same offsets
    SetCorrectedSelection(editCtrl, startCharOffset, endCharOffset);
}