Passing a ref parameter to interop
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1
I'm trying to call that function from within c# but i'm currently stuck in this exception: System.ArgumentException: 'Value does not fall within the expected range.'
[MethodImpl(MethodImplOptions.InternalCall)]
[DispId(100)]
[return: MarshalAs(UnmanagedType.Struct)]
object GetTextValue([In] int nSamples, [In] [MarshalAs(UnmanagedType.Struct)] ref object afData);
this is what I tried to do which is obviously not working:
object values = new object { };
atlasParameter.GetTextValue (0, ref values);
Not sure how to find this, as this is the only documentation I have:
Thanks
c# interop com-interop unmanaged
asked Nov 16 '18 at 11:21
MeTitusMeTitus
2,6831338
add a comment |
1
I'm trying to call that function from within c# but i'm currently stuck in this exception: System.ArgumentException: 'Value does not fall within the expected range.'
[MethodImpl(MethodImplOptions.InternalCall)]
[DispId(100)]
[return: MarshalAs(UnmanagedType.Struct)]
object GetTextValue([In] int nSamples, [In] [MarshalAs(UnmanagedType.Struct)] ref object afData);
this is what I tried to do which is obviously not working:
object values = new object { };
atlasParameter.GetTextValue (0, ref values);
Not sure how to find this, as this is the only documentation I have:
Thanks
c# interop com-interop unmanaged
asked Nov 16 '18 at 11:21
MeTitusMeTitus
2,6831338
Why are you asking for 0 samples?
– mjwills
Nov 16 '18 at 11:29
Is itGetTextValueorGetValueText?
– mjwills
Nov 16 '18 at 11:30
@mjwills It fails with a valid sample which I can get from calling another function. It's the array type I can't get hold off and I updated the name, thanks for spotting it.
– MeTitus
Nov 16 '18 at 11:48
Based on documentation, the interface definition may be incorrect. You should clarify what kind of data type array the parameters and results are, and review the interface definition with reference to this page. Default Marshaling for Arrays
– kunif
Nov 17 '18 at 16:16
add a comment |
1
1
1
I'm trying to call that function from within c# but i'm currently stuck in this exception: System.ArgumentException: 'Value does not fall within the expected range.'
[MethodImpl(MethodImplOptions.InternalCall)]
[DispId(100)]
[return: MarshalAs(UnmanagedType.Struct)]
object GetTextValue([In] int nSamples, [In] [MarshalAs(UnmanagedType.Struct)] ref object afData);
this is what I tried to do which is obviously not working:
object values = new object { };
atlasParameter.GetTextValue (0, ref values);
Not sure how to find this, as this is the only documentation I have:
Thanks
c# interop com-interop unmanaged
asked Nov 16 '18 at 11:21
MeTitusMeTitus
2,6831338
I'm trying to call that function from within c# but i'm currently stuck in this exception: System.ArgumentException: 'Value does not fall within the expected range.'
[MethodImpl(MethodImplOptions.InternalCall)]
[DispId(100)]
[return: MarshalAs(UnmanagedType.Struct)]
object GetTextValue([In] int nSamples, [In] [MarshalAs(UnmanagedType.Struct)] ref object afData);
this is what I tried to do which is obviously not working:
object values = new object { };
atlasParameter.GetTextValue (0, ref values);
Not sure how to find this, as this is the only documentation I have:
Thanks
c# interop com-interop unmanaged
c# interop com-interop unmanaged
asked Nov 16 '18 at 11:21
MeTitusMeTitus
2,6831338
asked Nov 16 '18 at 11:21
MeTitusMeTitus
2,6831338
edited Nov 16 '18 at 11:43
MeTitus
asked Nov 16 '18 at 11:21
MeTitusMeTitus
2,6831338
asked Nov 16 '18 at 11:21
MeTitusMeTitus
2,6831338
asked Nov 16 '18 at 11:21
MeTitusMeTitus
2,6831338
2,6831338
Why are you asking for 0 samples?
– mjwills
Nov 16 '18 at 11:29
Is itGetTextValueorGetValueText?
– mjwills
Nov 16 '18 at 11:30
@mjwills It fails with a valid sample which I can get from calling another function. It's the array type I can't get hold off and I updated the name, thanks for spotting it.
– MeTitus
Nov 16 '18 at 11:48
Based on documentation, the interface definition may be incorrect. You should clarify what kind of data type array the parameters and results are, and review the interface definition with reference to this page. Default Marshaling for Arrays
– kunif
Nov 17 '18 at 16:16
add a comment |
Why are you asking for 0 samples?
– mjwills
Nov 16 '18 at 11:29
Is itGetTextValueorGetValueText?
– mjwills
Nov 16 '18 at 11:30
@mjwills It fails with a valid sample which I can get from calling another function. It's the array type I can't get hold off and I updated the name, thanks for spotting it.
– MeTitus
Nov 16 '18 at 11:48
Based on documentation, the interface definition may be incorrect. You should clarify what kind of data type array the parameters and results are, and review the interface definition with reference to this page. Default Marshaling for Arrays
– kunif
Nov 17 '18 at 16:16
Why are you asking for 0 samples?
– mjwills
Nov 16 '18 at 11:29
Why are you asking for 0 samples?
– mjwills
Nov 16 '18 at 11:29
Is it
GetTextValue or GetValueText?– mjwills
Nov 16 '18 at 11:30
Is it
GetTextValue or GetValueText?– mjwills
Nov 16 '18 at 11:30
@mjwills It fails with a valid sample which I can get from calling another function. It's the array type I can't get hold off and I updated the name, thanks for spotting it.
– MeTitus
Nov 16 '18 at 11:48
@mjwills It fails with a valid sample which I can get from calling another function. It's the array type I can't get hold off and I updated the name, thanks for spotting it.
– MeTitus
Nov 16 '18 at 11:48
Based on documentation, the interface definition may be incorrect. You should clarify what kind of data type array the parameters and results are, and review the interface definition with reference to this page. Default Marshaling for Arrays
– kunif
Nov 17 '18 at 16:16
Based on documentation, the interface definition may be incorrect. You should clarify what kind of data type array the parameters and results are, and review the interface definition with reference to this page. Default Marshaling for Arrays
– kunif
Nov 17 '18 at 16:16
add a comment |
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Why are you asking for 0 samples?
– mjwills
Nov 16 '18 at 11:29
Is it
GetTextValueorGetValueText?– mjwills
Nov 16 '18 at 11:30
@mjwills It fails with a valid sample which I can get from calling another function. It's the array type I can't get hold off and I updated the name, thanks for spotting it.
– MeTitus
Nov 16 '18 at 11:48
Based on documentation, the interface definition may be incorrect. You should clarify what kind of data type array the parameters and results are, and review the interface definition with reference to this page. Default Marshaling for Arrays
– kunif
Nov 17 '18 at 16:16