c++ builder ListView实现可编辑任意列（转）

// ---------------------------------------------------------------------------
// Form的构造函数中填充StrinGrid单元格
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
    for (int i = StringGrid1->FixedRows; i < StringGrid1->RowCount; i++)
    {
        for (int j = StringGrid1->FixedCols; j < StringGrid1->ColCount; j++)
        {
            StringGrid1->Cells[i][j] = i * 10 + j;
        }
    }
}
 
// ---------------------------------------------------------------------------
// 在StrinGrid的OnDrawCell事件中在指定的单元格绘制按钮
void __fastcall TForm1::StringGrid1DrawCell(TObject *Sender, int ACol,
      int ARow, TRect &Rect, TGridDrawState State)
{
    TStringGrid *sg = dynamic_cast<TStringGrid *>(Sender);
 
    // 填充背景，准备重绘
    sg->Canvas->FillRect(Rect);
 
    // 如果当前正在绘制第三行第四列的格子(准备内嵌按钮的格子)
    if (ARow == 3 && ACol == 4)
    {
        // 63 63 72 75 6E 2E 63 6F 6D
        // 用StringGrid的Tag作按钮弹起或按下的标志, 1为弹起, 0为按下
        if (sg->Tag == 1)
            DrawFrameControl(sg->Canvas->Handle, &Rect,
                    DFC_BUTTON, DFCS_BUTTONPUSH | DFCS_PUSHED);
        else
            DrawFrameControl(sg->Canvas->Handle, &Rect,
                    DFC_BUTTON, DFCS_BUTTONPUSH);
    }
 
    // 以背景透明方式绘制出单元格的字符串
    sg->Canvas->Brush->Style = bsClear;
 
    sg->Canvas->TextOut(Rect.Left + 2,
            (Rect.Height() - sg->Canvas->TextHeight("A") ) / 2 + Rect.Top,
            sg->Cells[ARow][ACol]);
}
 
// ---------------------------------------------------------------------------
// 在StringGrid的OnMouseDown事件中判断如果当前鼠标下的格子是指定的格子
// 就改变StringGrid->Tag并使其重绘，以显示出按钮被按下的样子
void __fastcall TForm1::StringGrid1MouseDown(TObject *Sender,
      TMouseButton Button, TShiftState Shift, int X, int Y)
{
    TStringGrid *sg = dynamic_cast<TStringGrid *>(Sender);
    if (!sg) return;
 
    // 获取StringGrid中当前鼠标下的行和列
    int nCol, nRow;
    TPoint ptMouse = sg->ScreenToClient(Mouse->CursorPos);
    sg->MouseToCell(ptMouse.x, ptMouse.y, nCol, nRow);
 
    sg->Tag = nRow == 3 && nCol == 4? 1: 0;
    sg->Invalidate();
}
 
// ---------------------------------------------------------------------------
// 在StringGrid的OnMouseUp事件中判断如果当前鼠标下的格子是指定的格子
// 就改变StringGrid->Tag并使其重绘，以显示出按钮被弹起的样子
void __fastcall TForm1::StringGrid1MouseUp(TObject *Sender,
      TMouseButton Button, TShiftState Shift, int X, int Y)
{
    TStringGrid *sg = dynamic_cast<TStringGrid *>(Sender);
    if (!sg) return;
 
    // 获取StringGrid中当前鼠标下的行和列
    int nCol, nRow;
    TPoint ptMouse = StringGrid1->ScreenToClient(Mouse->CursorPos);
    sg->MouseToCell(ptMouse.x, ptMouse.y, nCol, nRow);
 
    sg->Tag = 0; // 注意这里和上面OnMouseDown的不同
    sg->Invalidate();
 
    // 在OnMouseUp事件中处理点击事件
    if (nRow == 3 && nCol == 4)
    {
        // 这里加入自己的代码即可
 
        ShowMessage(String().sprintf(
                TEXT("按钮 %s 被点击"), sg->Cells[nRow][nCol]));
    }
}