/// <summary>
/// Get a property value from an extension.
/// </summary>
/// <param name="context_I">Wintab context</param>
/// <param name="extTagIndex_I">extension index tag</param>
/// <param name="tabletIndex_I">tablet index</param>
/// <param name="controlIndex_I">control index on the tablet</param>
/// <param name="functionIndex_I">function index on the control</param>
/// <param name="propertyID_I">ID of the property requested</param>
/// <param name="result_O">value of the property requested</param>
/// <returns>true if property obtained</returns>
public static bool ControlPropertyGet(
HCTX context_I,
byte extTagIndex_I,
byte tabletIndex_I,
byte controlIndex_I,
byte functionIndex_I,
ushort propertyID_I,
ref UInt32 result_O
)
{
bool retStatus = false;
WTExtensionProperty extProperty = new WTExtensionProperty();
IntPtr buf = CMemUtils.AllocUnmanagedBuf(extProperty);
extProperty.extBase.version = 0;
extProperty.extBase.tabletIndex = tabletIndex_I;
extProperty.extBase.controlIndex = controlIndex_I;
extProperty.extBase.functionIndex = functionIndex_I;
extProperty.extBase.propertyID = propertyID_I;
extProperty.extBase.reserved = 0;
extProperty.extBase.dataSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(result_O);
Marshal.StructureToPtr(extProperty, buf, false);
try
{
bool status = CWintabFuncs.WTExtGet((UInt32)context_I, (UInt32)extTagIndex_I, buf);
if (status)
{
WTExtensionProperty retProp = (WTExtensionProperty)Marshal.PtrToStructure(buf, typeof(WTExtensionProperty));
result_O = retProp.data[0];
retStatus = true;
}
}
catch (Exception ex)
{
MessageBox.Show("FAILED ControlPropertyGet: " + ex.ToString());
}
CMemUtils.FreeUnmanagedBuf(buf);
return(retStatus);
}
