protected long GetPropertyIntegerData(uint propertyId)
{
return(this.ExecuteGetter(() =>
{
uint data;
Util.Assert(Edsdk.EdsGetPropertyData(this.Handle, propertyId, 0, out data),
string.Format("Failed to get property integer data: propertyId {0}", propertyId), propertyId);
return data;
}));
}
internal T GetPropertyStruct <T>(uint propertyId, Edsdk.EdsDataType expectedDataType) where T : struct
{
return(this.ExecuteGetter(() =>
{
var dataSize = this.GetPropertyDataSize(propertyId, expectedDataType);
var ptr = Marshal.AllocHGlobal(dataSize);
try
{
Util.Assert(Edsdk.EdsGetPropertyData(this.Handle, propertyId, 0, dataSize, ptr),
"Failed to get required struct.", propertyId);
return (T)Marshal.PtrToStructure(ptr, typeof(T));
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}));
}
protected long[] GetPropertyIntegerArrayData(uint propertyId)
{
return(this.ExecuteGetter(() =>
{
var dataSize = this.GetPropertyDataSize(propertyId, Edsdk.EdsDataType.UInt32_Array);
var ptr = Marshal.AllocHGlobal(dataSize);
try
{
Util.Assert(Edsdk.EdsGetPropertyData(this.Handle, propertyId, 0, dataSize, ptr),
"Failed to get required struct.", propertyId);
var signed = new int[dataSize / Marshal.SizeOf(typeof(uint))];
Marshal.Copy(ptr, signed, 0, signed.Length);
return signed.Select(i => (long)(uint)i).ToArray();
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}));
}
