using System;
using System.Runtime.InteropServices;

namespace System
{
	// Token: 0x020006BE RID: 1726
	[StructLayout(LayoutKind.Explicit)]
	internal struct Variant
	{
		// Token: 0x06004118 RID: 16664 RVA: 0x000DD8F8 File Offset: 0x000DBAF8
		public void SetValue(object obj)
		{
			this.vt = 0;
			if (obj == null)
			{
				return;
			}
			Type type = obj.GetType();
			if (type.IsEnum)
			{
				type = Enum.GetUnderlyingType(type);
			}
			if (type == typeof(sbyte))
			{
				this.vt = 16;
				this.cVal = (sbyte)obj;
			}
			else if (type == typeof(byte))
			{
				this.vt = 17;
				this.bVal = (byte)obj;
			}
			else if (type == typeof(short))
			{
				this.vt = 2;
				this.iVal = (short)obj;
			}
			else if (type == typeof(ushort))
			{
				this.vt = 18;
				this.uiVal = (ushort)obj;
			}
			else if (type == typeof(int))
			{
				this.vt = 3;
				this.lVal = (int)obj;
			}
			else if (type == typeof(uint))
			{
				this.vt = 19;
				this.ulVal = (uint)obj;
			}
			else if (type == typeof(long))
			{
				this.vt = 20;
				this.llVal = (long)obj;
			}
			else if (type == typeof(ulong))
			{
				this.vt = 21;
				this.ullVal = (ulong)obj;
			}
			else if (type == typeof(float))
			{
				this.vt = 4;
				this.fltVal = (float)obj;
			}
			else if (type == typeof(double))
			{
				this.vt = 5;
				this.dblVal = (double)obj;
			}
			else if (type == typeof(string))
			{
				this.vt = 8;
				this.bstrVal = Marshal.StringToBSTR((string)obj);
			}
			else if (type == typeof(bool))
			{
				this.vt = 11;
				this.lVal = ((!(bool)obj) ? 0 : (-1));
			}
			else if (type == typeof(BStrWrapper))
			{
				this.vt = 8;
				this.bstrVal = Marshal.StringToBSTR(((BStrWrapper)obj).WrappedObject);
			}
			else if (type == typeof(UnknownWrapper))
			{
				this.vt = 13;
				this.pdispVal = Marshal.GetIUnknownForObject(((UnknownWrapper)obj).WrappedObject);
			}
			else if (type == typeof(DispatchWrapper))
			{
				this.vt = 9;
				this.pdispVal = Marshal.GetIDispatchForObject(((DispatchWrapper)obj).WrappedObject);
			}
			else
			{
				try
				{
					this.pdispVal = Marshal.GetIDispatchForObject(obj);
					this.vt = 9;
					return;
				}
				catch
				{
				}
				try
				{
					this.vt = 13;
					this.pdispVal = Marshal.GetIUnknownForObject(obj);
				}
				catch (Exception ex)
				{
					throw new NotImplementedException(string.Format("Variant couldn't handle object of type {0}", obj.GetType()), ex);
				}
			}
		}

		// Token: 0x06004119 RID: 16665 RVA: 0x000DDC4C File Offset: 0x000DBE4C
		public object GetValue()
		{
			object obj = null;
			switch (this.vt)
			{
			case 2:
				obj = this.iVal;
				break;
			case 3:
				obj = this.lVal;
				break;
			case 4:
				obj = this.fltVal;
				break;
			case 5:
				obj = this.dblVal;
				break;
			case 8:
				obj = Marshal.PtrToStringBSTR(this.bstrVal);
				break;
			case 9:
			case 13:
				if (this.pdispVal != IntPtr.Zero)
				{
					obj = Marshal.GetObjectForIUnknown(this.pdispVal);
				}
				break;
			case 11:
				obj = this.boolVal != 0;
				break;
			case 16:
				obj = this.cVal;
				break;
			case 17:
				obj = this.bVal;
				break;
			case 18:
				obj = this.uiVal;
				break;
			case 19:
				obj = this.ulVal;
				break;
			case 20:
				obj = this.llVal;
				break;
			case 21:
				obj = this.ullVal;
				break;
			}
			return obj;
		}

		// Token: 0x0600411A RID: 16666 RVA: 0x000DDDB8 File Offset: 0x000DBFB8
		public void Clear()
		{
			if (this.vt == 8)
			{
				Marshal.FreeBSTR(this.bstrVal);
			}
			else if ((this.vt == 9 || this.vt == 13) && this.pdispVal != IntPtr.Zero)
			{
				Marshal.Release(this.pdispVal);
			}
		}

		// Token: 0x04001A25 RID: 6693
		[FieldOffset(0)]
		public short vt;

		// Token: 0x04001A26 RID: 6694
		[FieldOffset(2)]
		public ushort wReserved1;

		// Token: 0x04001A27 RID: 6695
		[FieldOffset(4)]
		public ushort wReserved2;

		// Token: 0x04001A28 RID: 6696
		[FieldOffset(6)]
		public ushort wReserved3;

		// Token: 0x04001A29 RID: 6697
		[FieldOffset(8)]
		public long llVal;

		// Token: 0x04001A2A RID: 6698
		[FieldOffset(8)]
		public int lVal;

		// Token: 0x04001A2B RID: 6699
		[FieldOffset(8)]
		public byte bVal;

		// Token: 0x04001A2C RID: 6700
		[FieldOffset(8)]
		public short iVal;

		// Token: 0x04001A2D RID: 6701
		[FieldOffset(8)]
		public float fltVal;

		// Token: 0x04001A2E RID: 6702
		[FieldOffset(8)]
		public double dblVal;

		// Token: 0x04001A2F RID: 6703
		[FieldOffset(8)]
		public short boolVal;

		// Token: 0x04001A30 RID: 6704
		[FieldOffset(8)]
		public IntPtr bstrVal;

		// Token: 0x04001A31 RID: 6705
		[FieldOffset(8)]
		public sbyte cVal;

		// Token: 0x04001A32 RID: 6706
		[FieldOffset(8)]
		public ushort uiVal;

		// Token: 0x04001A33 RID: 6707
		[FieldOffset(8)]
		public uint ulVal;

		// Token: 0x04001A34 RID: 6708
		[FieldOffset(8)]
		public ulong ullVal;

		// Token: 0x04001A35 RID: 6709
		[FieldOffset(8)]
		public int intVal;

		// Token: 0x04001A36 RID: 6710
		[FieldOffset(8)]
		public uint uintVal;

		// Token: 0x04001A37 RID: 6711
		[FieldOffset(8)]
		public IntPtr pdispVal;

		// Token: 0x04001A38 RID: 6712
		[FieldOffset(8)]
		public BRECORD bRecord;
	}
}