protected unsafe void SetObject(IntPtr guid, object value)
{
// NOT WORKING with APPDATA
var prop = new PropertyPointer();
InitHeader <PropertyPointer>(ref prop.Header);
var dataValue = IntPtr.Zero;
prop.Data = new IntPtr(&dataValue);
// Free previous application data if any
Device.GetProperty(guid, new IntPtr(&prop));
GCHandle handle;
if (prop.Data.ToInt64() != -1)
{
handle = GCHandle.FromIntPtr(prop.Data);
if (handle.IsAllocated)
{
handle.Free();
}
}
// Set new object value
handle = GCHandle.Alloc(value, GCHandleType.Pinned);
prop.Data = handle.AddrOfPinnedObject();
Device.SetProperty(guid, new IntPtr(&prop));
}
protected unsafe void Set(IntPtr guid, InputRange value)
{
var prop = new PropertyRange();
InitHeader <PropertyRange>(ref prop.Header);
value.CopyTo(ref prop);
Device.SetProperty(guid, new IntPtr(&prop));
}
protected unsafe void Set(IntPtr guid, int value)
{
var prop = new PropertyInt();
InitHeader <PropertyInt>(ref prop.Header);
prop.Data = value;
Device.SetProperty(guid, new IntPtr(&prop));
}
protected unsafe void Set(IntPtr guid, string value)
{
var prop = new PropertyString {
Text = value
};
var propNative = new PropertyString.__Native();
prop.__MarshalTo(ref propNative);
InitHeader <PropertyString.__Native>(ref propNative.Header);
Device.SetProperty(guid, new IntPtr(&propNative));
}
