private static int GetIDsOfNames(IDispatch dispatch, string name, out int dispId)
{
int[] dispIds = new int[1];
Guid emtpyRiid = Guid.Empty;
int hresult = dispatch.TryGetIDsOfNames(
ref emtpyRiid,
new string[] { name },
1,
0,
dispIds);
dispId = dispIds[0];
return(hresult);
}
public static IntPtr GetIdsOfNamedParameters(IDispatch dispatch, string[] names, int methodDispId, out GCHandle pinningHandle)
{
pinningHandle = GCHandle.Alloc(null, GCHandleType.Pinned);
int[] dispIds = new int[names.Length];
Guid empty = Guid.Empty;
int hresult = dispatch.TryGetIDsOfNames(ref empty, names, (uint)names.Length, 0, dispIds);
if (hresult < 0)
{
Marshal.ThrowExceptionForHR(hresult);
}
if (methodDispId != dispIds[0])
{
throw Error.GetIDsOfNamesInvalid(names[0]);
}
int[] keywordArgDispIds = dispIds.RemoveFirst(); // Remove the dispId of the method name
pinningHandle.Target = keywordArgDispIds;
return Marshal.UnsafeAddrOfPinnedArrayElement(keywordArgDispIds, 0);
}
public static IntPtr GetIdsOfNamedParameters(IDispatch dispatch, string[] names, int methodDispId, out GCHandle pinningHandle) {
pinningHandle = GCHandle.Alloc(null, GCHandleType.Pinned);
int[] dispIds = new int[names.Length];
Guid empty = Guid.Empty;
int hresult = dispatch.TryGetIDsOfNames(ref empty, names, (uint)names.Length, 0, dispIds);
if (hresult < 0) {
Marshal.ThrowExceptionForHR(hresult);
}
if (methodDispId != dispIds[0]) {
throw Error.GetIDsOfNamesInvalid(names[0]);
}
int[] keywordArgDispIds = dispIds.RemoveFirst(); // Remove the dispId of the method name
pinningHandle.Target = keywordArgDispIds;
return Marshal.UnsafeAddrOfPinnedArrayElement(keywordArgDispIds, 0);
}
private static int GetIDsOfNames(IDispatch dispatch, string name, out int dispId) {
int[] dispIds = new int[1];
Guid emtpyRiid = Guid.Empty;
int hresult = dispatch.TryGetIDsOfNames(
ref emtpyRiid,
new string[] { name },
1,
0,
dispIds);
dispId = dispIds[0];
return hresult;
}