.NET Interface with AutoCAD -- SetXData errors.
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by Jerry
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Published on 2010-04-01T16:38:54Z
Indexed on
2010/04/01
16:43 UTC
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I am trying to use the SetXData method on the AutoCAD 2007 COM object, but it is throwing errors.
Example Test:
public AcadEntity getAcadEntity()
{
/// ... Basic code to return a single AutoCAD entity...
}
private void btnTagItem_Click(object sender, EventArgs e)
{
AcadEntity ent = getAcadEntity();
short[] xDataType;
string[] xDataStrings;
DrawingXData xData = new DrawingXData();
xData.field1 = "Some Text Goes here";
xData.field2 = 1;
xData.field3 = 100;
xData.field4 = 1509.2;
xData.field5 = "More Text";
BuildXData("AutoCad_App_Name", xData, out xDataType, out xDataStrings);
ent.SetXData(xDataType, xDataStrings); // This line crashes.
}
private void BuildXData(string applicationName, DrawingXData xData,
out short[] xDataType, out string[] xDataStrings)
{
List<short> dataTypes = new List<short>();
List<string> dataStrings = new List<string>();
/// Code types...
/// 1000 == String up to 255 bytes
/// 1001 == Application Name
// Set Applicaiton Name
dataTypes.Add(1001); dataStrings.Add(applicationName);
// Set Application Data
dataTypes.Add(1000); dataStrings.Add(xData.field1.ToString());
dataTypes.Add(1000); dataStrings.Add(xData.field2.ToString());
dataTypes.Add(1000); dataStrings.Add(xData.field3.ToString());
dataTypes.Add(1000); dataStrings.Add(xData.field4.ToString());
dataTypes.Add(1000); dataStrings.Add(xData.field5.ToString());
// ... etc.
xDataType = dataTypes.ToArray();
xDataStrings = dataStrings.ToArray();
}
The error I get is "Invalid argument data in SetXData method".
The error code (if this helps anyone) is -2145320939.
The main reason I'm posting is because the same code in a very old VB6 application works just fine. I'm stumped.
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