internal static string GetMethodSignatureFromFuncDesc(
ITypeInfo typeinfo,
System.Runtime.InteropServices.ComTypes.FUNCDESC funcdesc,
bool isPropertyPut)
{
StringBuilder stringBuilder = new StringBuilder();
string nameFromFuncDesc = ComUtil.GetNameFromFuncDesc(typeinfo, funcdesc);
if (!isPropertyPut)
{
string stringFromTypeDesc = ComUtil.GetStringFromTypeDesc(typeinfo, funcdesc.elemdescFunc.tdesc);
stringBuilder.Append(stringFromTypeDesc + " ");
}
stringBuilder.Append(nameFromFuncDesc);
stringBuilder.Append(" (");
IntPtr lprgelemdescParam = funcdesc.lprgelemdescParam;
int num1 = Marshal.SizeOf(typeof(System.Runtime.InteropServices.ComTypes.ELEMDESC));
for (int index = 0; index < (int)funcdesc.cParams; ++index)
{
System.Runtime.InteropServices.ComTypes.ELEMDESC elemdesc = new System.Runtime.InteropServices.ComTypes.ELEMDESC();
int num2 = index * num1;
elemdesc = (System.Runtime.InteropServices.ComTypes.ELEMDESC)Marshal.PtrToStructure(IntPtr.Size != 4 ? (IntPtr)(lprgelemdescParam.ToInt64() + (long)num2) : (IntPtr)(lprgelemdescParam.ToInt32() + num2), typeof(System.Runtime.InteropServices.ComTypes.ELEMDESC));
string stringFromTypeDesc = ComUtil.GetStringFromTypeDesc(typeinfo, elemdesc.tdesc);
if (index == 0 && isPropertyPut)
{
stringBuilder.Insert(0, stringFromTypeDesc + " ");
}
else
{
stringBuilder.Append(stringFromTypeDesc);
if (index < (int)funcdesc.cParams - 1)
{
stringBuilder.Append(", ");
}
}
}
stringBuilder.Append(")");
return(stringBuilder.ToString());
}
private static string GetStringFromTypeDesc(ITypeInfo typeinfo, System.Runtime.InteropServices.ComTypes.TYPEDESC typedesc)
{
if (typedesc.vt == (short)26)
{
System.Runtime.InteropServices.ComTypes.TYPEDESC structure = (System.Runtime.InteropServices.ComTypes.TYPEDESC)Marshal.PtrToStructure(typedesc.lpValue, typeof(System.Runtime.InteropServices.ComTypes.TYPEDESC));
return(ComUtil.GetStringFromTypeDesc(typeinfo, structure));
}
if (typedesc.vt == (short)27)
{
System.Runtime.InteropServices.ComTypes.TYPEDESC structure = (System.Runtime.InteropServices.ComTypes.TYPEDESC)Marshal.PtrToStructure(typedesc.lpValue, typeof(System.Runtime.InteropServices.ComTypes.TYPEDESC));
return("SAFEARRAY(" + ComUtil.GetStringFromTypeDesc(typeinfo, structure) + ")");
}
if (typedesc.vt == (short)29)
{
return(ComUtil.GetStringFromCustomType(typeinfo, typedesc.lpValue));
}
switch ((VarEnum)typedesc.vt)
{
case VarEnum.VT_EMPTY:
return("");
case VarEnum.VT_I2:
return("short");
case VarEnum.VT_I4:
case VarEnum.VT_INT:
case VarEnum.VT_HRESULT:
return("int");
case VarEnum.VT_R4:
return("float");
case VarEnum.VT_R8:
return("double");
case VarEnum.VT_CY:
return("currency");
case VarEnum.VT_DATE:
return("Date");
case VarEnum.VT_BSTR:
case VarEnum.VT_LPSTR:
case VarEnum.VT_LPWSTR:
return("string");
case VarEnum.VT_DISPATCH:
return("IDispatch");
case VarEnum.VT_BOOL:
return("bool");
case VarEnum.VT_VARIANT:
return("Variant");
case VarEnum.VT_UNKNOWN:
return("IUnknown");
case VarEnum.VT_DECIMAL:
return("decimal");
case VarEnum.VT_I1:
return("char");
case VarEnum.VT_UI1:
return("byte");
case VarEnum.VT_UI2:
return("ushort");
case VarEnum.VT_UI4:
case VarEnum.VT_UINT:
return("uint");
case VarEnum.VT_I8:
return("int64");
case VarEnum.VT_UI8:
return("uint64");
case VarEnum.VT_VOID:
return("void");
case VarEnum.VT_CLSID:
return("clsid");
case VarEnum.VT_ARRAY:
return("object[]");
default:
return("Unknown!");
}
}
