摘要： 与之前的键盘上下键一样的封装逻辑，这里就不复重了。改变是：绘制缓冲区字符串时，要加上列的偏移量：void EditView::drawText(HDC hdc){ int OFFSET = 0; HFONT hFont = CreateFontIndirect(&logFont); SelectObject(hdc, hFont); //----------------------- int firstRowIndex = lpEditViewAdapter->firstVisibleRowIndex; int rowCount = lpEditViewAdapter->v 阅读全文