/// <summary>
/// 从容器控件中读取已加入映射表的子控件的输入值；
/// </summary>
/// <param name="ownerPage">容器控件；</param>
/// <param name="channelNum">参数所属通道号；</param>
/// <param name="paraList">IntPtr(paralist)；</param>
/// <returns>DevControl.tagErrorCode</returns>
private DevControl.tagErrorCode GetParameterFromProperty(Control ownerPage, int channelNum, IntPtr paraList)
{
IntPtr setParaList = paraList;
DevControl.tagErrorCode eCode = DevControl.tagErrorCode.DM_ERR_OK;
Debug.Assert(ownerPage != null);
Debug.Assert(paraList != IntPtr.Zero);
//遍历容器控件，通过控件名与设备参数间的映射关系，从配置界面的控件中读取配置设备的参数；
foreach (Control control in ownerPage.Controls)
{
//控件不使能则不需要填充数值（包括其下所有子控件）
if ((control.Enabled == false))
{
continue;
}
//控件为非叶节点控件，则使用递归继续向下遍历；
if (control.Controls.Count != 0)
{
eCode = GetParameterFromProperty(control, channelNum, paraList);
if (eCode != DevControl.tagErrorCode.DM_ERR_OK)
{
break;
}
}
//使用control.AccessibleName来标识参与映射的控件；
//可依据需求修改为其他标识；
if (control.AccessibleName != null)
{
bool isFind;
//查找控件映射的PARA_TYPES
DevControl.PARA_TYPES paraType = DevControl.PARA_TYPES.END_OF_PARA_TYPES;
isFind = this._propertyParaMap.FindParaByProperty(control.AccessibleName, ref paraType);
if (isFind == true)
{
//依据控件类型，从控件中读取输入参数值，按字符串格式读取；
StringBuilder bufferString = new StringBuilder();
Type controlType = control.GetType();
if (controlType == typeof(System.Windows.Forms.TextBox))
{
if (((System.Windows.Forms.TextBox)control).ReadOnly == true)
{
continue;
}
bufferString.Append(((System.Windows.Forms.TextBox)control).Text.Trim());
}
else if (controlType == typeof(System.Windows.Forms.CheckBox))
{
if (((System.Windows.Forms.CheckBox)control).Checked)
{
bufferString.Append('1');
}
else
{
bufferString.Append('0');
}
}
else if (controlType == typeof(System.Windows.Forms.ComboBox))
{
bufferString.Append(((System.Windows.Forms.ComboBox)control).SelectedIndex.ToString());
}
else if (controlType == typeof(System.Windows.Forms.NumericUpDown))
{
bufferString.Append(((System.Windows.Forms.NumericUpDown)control).Value.ToString());
}
else
{
Debug.Fail("must support new controlType!");
continue;
}
//将读取的字符串格式输入参数值转换为操作接口输入类型，然后检查输入参数的合法性，合法则加入参数列表；
byte[] valueBuf = new byte[100];
int valueLen = valueBuf.Length;
eCode = DevControl.DM_String2Value(paraType, bufferString, bufferString.Length, valueBuf, ref valueLen);
if (eCode == DevControl.tagErrorCode.DM_ERR_OK)
{
eCode = DevControl.DM_CheckPara(this._devHandle, channelNum, paraType, valueLen, valueBuf);
if (eCode == DevControl.tagErrorCode.DM_ERR_OK)
{
DevControl.paralist_addnode(setParaList, channelNum, paraType, valueLen, valueBuf);
}
else
{
break;
}
}
else
{
break;
}
}
}
}
return(eCode);
}
