// 更新数据
private void dataGridView_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
if (SubFunction == null)
{
return;
}
int row = e.RowIndex;
int column = e.ColumnIndex;
var cell = dataGridView[column, row];
if (cell.ReadOnly)
{
return;
}
// 不需要解码
if (!needSendParsing(SubFunction))
{
// 只有用户编辑的单元格才会同步到子功能
var cellValue = cell.Value;
string value = "00";
if (cellValue != null)
{
value = cellValue.ToString();
}
else
{
dataGridView[column, row].Value = value;
}
SubFunction.Data[row - 1] = Utils.HexToByte(value);
//更新第一行
UpdateFirstRow();
}
else //需要进行解码
{
// 获取解码值
VdfSignal signal = cell.Tag as VdfSignal;
//Debug.Assert(signal != null);
// 更新值
string cellValue = string.Empty;
if (cell.Value != null)
{
cellValue = cell.Value.ToString();
}
VdfDecoder.Decode(SubFunction.Data, signal, cellValue);
UpdateFirstRow();
}
}
// 进行校验
private void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e)
{
var cell = dataGridView[e.ColumnIndex, e.RowIndex];
if (cell.ReadOnly)
{
return;
}
if (!needSendParsing(SubFunction))
{
//保证输入的数值，是16进制值
try
{
Convert.ToInt32(e.FormattedValue.ToString(), 16);
}
catch (Exception)
{
MessageBox.Show("输入的字符必须是Hex字符", "校验出错", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
}
}
else
{
VdfSignal signal = cell.Tag as VdfSignal;
//signal居然可能为空
// 这儿只是进行验证，不更新数据
try
{
var copy = new List <byte>();
copy.AddRange(SubFunction.Data);
VdfDecoder.Decode(copy, signal, e.FormattedValue.ToString());
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "校验出错",
MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
}
}
}