public static CodeAttributeDeclaration MarshalAsDeclaration(UnmanagedType type, CodeTypeReference customMarshaler = null)
{
var value = new CodeAttributeDeclaration(
new CodeTypeReference(typeof(MarshalAsAttribute)),
new CodeAttributeArgument(
new CodePropertyReferenceExpression(
new CodeTypeReferenceExpression(typeof(UnmanagedType)),
type.ToString())));
if (type == UnmanagedType.CustomMarshaler)
{
value.Arguments.Add(
new CodeAttributeArgument(
"MarshalTypeRef",
new CodeTypeOfExpression(
customMarshaler)));
}
return(value);
}
public override string ToText()
{
var builder = new StringBuilder();
builder.Append("MarshalAs(UnmanagedType.");
builder.Append(UnmanagedType.ToString());
if (ArraySubType.HasValue)
{
builder.Append(", ArraySubType = UnmanagedType.");
builder.Append(ArraySubType.Value.ToString());
}
if (SizeParamIndex.HasValue)
{
builder.Append(", SizeParamIndex = ");
builder.Append(SizeParamIndex.Value.ToString(CultureInfo.InvariantCulture));
}
if (SizeConst.HasValue)
{
builder.Append(", SizeConst = ");
builder.Append(SizeConst.Value.ToString(CultureInfo.InvariantCulture));
}
if (MarshalType != null)
{
builder.Append(", MarshalType = ").Append(MarshalType);
}
if (MarshalTypeRef != null)
{
builder.Append(", MarshalTypeRef = ").Append(MarshalTypeRef);
}
if (MarshalCookie != null)
{
builder.Append(", MarshalCookie = ").Append(MarshalCookie);
}
builder.Append(")");
return(builder.ToString());
}
public bool PosTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest2: Return the field ArraySubType in MarshalAsAttribute class 2");
try
{
MarshalAsAttribute myMarshalAsAttribute = new MarshalAsAttribute(UnmanagedType.ByValArray | UnmanagedType.LPArray);
UnmanagedType myVal = myMarshalAsAttribute.ArraySubType;
if (myVal != 0)
{
TestLibrary.TestFramework.LogError("003", "the ExpectResult is 0 but the ActualResult is " + myVal.ToString());
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("004", "Unexpect exception:" + e);
retVal = false;
}
return(retVal);
}
public bool PosTest1()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest1: Return the field ArraySubType in MarshalAsAttribute class 1");
try
{
short unmanagedType = Int16.MaxValue;
MarshalAsAttribute myMarshalAsAttribute = new MarshalAsAttribute(unmanagedType);
UnmanagedType myVal = myMarshalAsAttribute.ArraySubType;
if (myVal != 0)
{
TestLibrary.TestFramework.LogError("001", "the ExpectResult is 0 but the ActualResult is " + myVal.ToString());
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("002", "Unexpect exception:" + e);
retVal = false;
}
return(retVal);
}
static internal CodeAttributeDeclaration CreateUnmanagedTypeAttribute(UnmanagedType type)
{
CodeAttributeDeclaration decl = new CodeAttributeDeclaration(new CodeTypeReference(typeof(MarshalAsAttribute)));
decl.Arguments.Add(new CodeAttributeArgument(new CodeFieldReferenceExpression(new CodeTypeReferenceExpression(typeof(UnmanagedType)), type.ToString())));
return(decl);
}
static internal CodeAttributeDeclaration CreateArrayParamTypeAttribute(UnmanagedType arraySubType, CodeAttributeArgument sizeArg)
{
CodeAttributeDeclaration decl = CreateUnmanagedTypeAttribute(UnmanagedType.LPArray);
decl.Arguments.Add(new CodeAttributeArgument("ArraySubType", new CodeFieldReferenceExpression(new CodeTypeReferenceExpression(typeof(UnmanagedType)), arraySubType.ToString())));
decl.Arguments.Add(sizeArg);
return(decl);
}
public bool PosTest2()
{
bool retVal = true;
TestLibrary.TestFramework.BeginScenario("PosTest2: Return the property Value in MarshalAsAttribute class 2");
try
{
MarshalAsAttribute myMarshalAsAttribute = new MarshalAsAttribute(UnmanagedType.Currency);
UnmanagedType myValue = myMarshalAsAttribute.Value;
if (myValue != UnmanagedType.Currency)
{
TestLibrary.TestFramework.LogError("003", "the ExpectResult is " + UnmanagedType.Currency.ToString() + " but the ActualResult is " + myValue.ToString());
retVal = false;
}
}
catch (Exception e)
{
TestLibrary.TestFramework.LogError("004", "Unexpect exception:" + e);
retVal = false;
}
return(retVal);
}