void flxActCommonHandleGetError(FlxActHandle handle, FlxActError *err);
private static extern void flxActCommonHandleGetError(handle, out
ActivationError error);
It could have been an out param if err was FlxActError** but since
it's not you probably have to allocate the structure and pass it by
reference like that:
private static extern void flxActCommonHandleGetError(IntPtr handle,
ref ActivationError error);
public ActivationError GetLastError()
{
ActivationError error = new ActivationError();
flxActCommonHandleGetError(Handle, ref error);
return error;
}
Haven't tried it though.
On 4/25/07, Mont Rothstein <[EMAIL PROTECTED]> wrote:
I am trying to get a struct from a function in a DLL, but I always get zero.
The below code always leaves the struct with 0 as the value for each
parameter in the struct though the equivalent C code populates the values.
Does anyone see what I am missing?
Thanks,
-Mont
Here is what I have:
C definitions:
typedef struct {
uint32_t majorErrorNo;
uint32_t minorErrorNo;
uint32_t sysErrorNo;
} FlxActError;
void flxActCommonHandleGetError(FlxActHandle handle, FlxActError *err);
public struct ActivationError
{
public uint majorError;
public uint minorErrorNo;
public uint systemErrorNo;
}
C# definition and function call:
[DllImport("mydll.dll", CharSet = CharSet.Ansi)]
private static extern void flxActCommonHandleGetError(handle, out
ActivationError error);
public ActivationError GetLastError()
{
ActivationError error;
flxActCommonHandleGetError(Handle, out error);
return error;
}
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Cheers,
Stoyan
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