GetAttribute - method of the AtouchX object

Description:

Detects informatiou about the driver.
The method detects available information about the driver and returns it in the DATA variable.

Syntax:

Integer GetAttribute(Integer AttrID, Variant DATA)

Parameters:

AttrID	(Integer) Identifier of the type of information we want to read.
DATA	[for read and write](Variant) Variable where the result is stored.

Return values:

See Error codes.

Note:

Requested attribute:

0 = attrVersion - Driver version in BCD (returns the same value as the GetKernelVersion method). Can always be called, regardless of driver initialization.

1 = attrRdBufSize - Total size of the read buffer (in frames). The value can be influenced during initialization by the RQ.RdBuff.Size parameter in the HW description.

2 = attrWrBufSize - Total size of the write buffer (in frames). The value can be influenced during initialization by the RQ.WrBuff.Size parameter in the HW description.

3 = attrRdBufFree - Current number of free frames in the read buffer.

4 = attrWrBufFree - Current number of free frames in the write buffer.

Example:

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var oATC = pMe.Pm("/AtouchApp").Acx;

var nAttrID = 1;

var mData = Pm.CreatePmMap();

mData.ParValue = null;

var nState = Pm.CallAxMethod("", oATC, "GetAttribute", nAttrID, mData);

var aInfo = mData.ParValue;

Pm.Debug(mData.ParValue, 1);