/// <summary>
/// 将paralist里的数值填充入容器控件中的对应映射控件；
/// </summary>
/// <param name="paralist">IntPtr(paralist)；</param>
/// <param name="ownerPage">容器控件；</param>
/// <param name="channelNum">参数所属通道号；</param>
/// <returns>是否成功</returns>
private bool SetParameterToProperty(IntPtr paralist, Control ownerPage, int channelNum)
{
//通过控件名与设备参数间的映射关系，将从设备获取的参数值填充至对应的配置界面控件；
if (paralist == IntPtr.Zero)
{
return(false);
}
//遍历容器控件，通过控件名与设备参数间的映射关系，从参数列表中读取设备参数填充入对应控件；
foreach (Control control in ownerPage.Controls)
{
//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)
{
SetParameterToProperty(paralist, control, channelNum);
}
//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)
{
byte[] valueBuf = new byte[100];
int valueLen = valueBuf.Length;
//使用PARA_TYPES从参数列表中读取设备参数填充入对应控件；
DevControl.tagErrorCode eCode = DevControl.paralist_getnode(paralist, channelNum, paraType, ref valueLen, valueBuf);
if (eCode == DevControl.tagErrorCode.DM_ERR_OK)
{
//当前设备不支持此参数；
if (valueLen == 0)
{
control.Enabled = false;
continue;
}
//将获取到的参数统一转换为字符串再按控件类型分别填充；
StringBuilder bufferString = new StringBuilder(100);
int stringLen = bufferString.Capacity;
eCode = DevControl.DM_Value2String(paraType, valueBuf, valueLen, bufferString, ref stringLen);
Debug.Assert(eCode == DevControl.tagErrorCode.DM_ERR_OK);
Type controlType = control.GetType();
if (controlType == typeof(System.Windows.Forms.TextBox))
{
((System.Windows.Forms.TextBox)control).Text = bufferString.ToString();
}
else if (controlType == typeof(System.Windows.Forms.CheckBox))
{
if (bufferString[0] == '1')
{
((System.Windows.Forms.CheckBox)control).Checked = true;
}
else if (bufferString[0] == '0')
{
((System.Windows.Forms.CheckBox)control).Checked = false;
}
else
{
Debug.Fail("out of range!");
}
}
else if (controlType == typeof(System.Windows.Forms.ComboBox))
{
if (valueBuf[0] < ((System.Windows.Forms.ComboBox)control).Items.Count)
{
((System.Windows.Forms.ComboBox)control).SelectedIndex = int.Parse(bufferString.ToString());
}
else
{
Debug.Fail("out of range!");
}
}
else if (controlType == typeof(System.Windows.Forms.NumericUpDown))
{
((System.Windows.Forms.NumericUpDown)(control)).Value = decimal.Parse(bufferString.ToString());
}
else
{
Debug.Fail("must support new controlType!");
continue;
}
}
}
}
}
return(true);
}
