public static object Invoke(this IDispatch dispatch, params object[] args) { using (var argVariantArrayBlock = new CoTaskMemVariantArgsByRefBlock(args)) { using (var resultVariantBlock = new CoTaskMemVariantBlock()) { var dispArgs = new DISPPARAMS { cArgs = args.Length, rgvarg = argVariantArrayBlock.Addr, cNamedArgs = 0, rgdispidNamedArgs = IntPtr.Zero }; HResult.Check(dispatch.Invoke(SpecialDispIDs.Default, ref iid, 0, DispatchFlags.Method, ref dispArgs, resultVariantBlock.Addr, out _, out _)); return(Marshal.GetObjectForNativeVariant(resultVariantBlock.Addr)); } } }
public static object Invoke(this IDispatchEx dispatchEx, bool asConstructor, params object[] args) { using (var argVariantArrayBlock = new CoTaskMemVariantArgsByRefBlock(args)) { using (var resultVariantBlock = new CoTaskMemVariantBlock()) { EXCEPINFO excepInfo; var dispArgs = new DISPPARAMS { cArgs = args.Length, rgvarg = argVariantArrayBlock.Addr, cNamedArgs = 0, rgdispidNamedArgs = IntPtr.Zero }; HResult.Check(dispatchEx.InvokeEx(SpecialDispIDs.Default, 0, asConstructor ? DispatchFlags.Construct : DispatchFlags.Method, ref dispArgs, resultVariantBlock.Addr, out excepInfo)); return(Marshal.GetObjectForNativeVariant(resultVariantBlock.Addr)); } } }
public static object InvokeMethod(this IDispatchEx dispatchEx, string name, bool ignoreCase, params object[] args) { var dispid = dispatchEx.GetDispIDForName(name, false, ignoreCase); if (dispid == SpecialDispIDs.GetEnumerator) { return(dispatchEx.GetProperty(SpecialMemberNames.NewEnum, ignoreCase, args)); } using (var argVariantArrayBlock = new CoTaskMemVariantArgsByRefBlock(args)) { using (var resultVariantBlock = new CoTaskMemVariantBlock()) { var dispArgs = new DISPPARAMS { cArgs = args.Length, rgvarg = argVariantArrayBlock.Addr, cNamedArgs = 0, rgdispidNamedArgs = IntPtr.Zero }; HResult.Check(dispatchEx.InvokeEx(dispid, 0, DispatchFlags.Method, ref dispArgs, resultVariantBlock.Addr, out _)); return(Marshal.GetObjectForNativeVariant(resultVariantBlock.Addr)); } } }
public static object InvokeMethod(this IDispatch dispatch, string name, params object[] args) { var dispid = dispatch.GetDispIDForName(name); if (dispid == SpecialDispIDs.GetEnumerator) { return(dispatch.GetProperty(SpecialMemberNames.NewEnum, args)); } using (var argVariantArrayBlock = new CoTaskMemVariantArgsByRefBlock(args)) { using (var resultVariantBlock = new CoTaskMemVariantBlock()) { EXCEPINFO excepInfo; uint argErr; var dispArgs = new DISPPARAMS { cArgs = args.Length, rgvarg = argVariantArrayBlock.Addr, cNamedArgs = 0, rgdispidNamedArgs = IntPtr.Zero }; HResult.Check(dispatch.Invoke(dispid, iid, 0, DispatchFlags.Method, ref dispArgs, resultVariantBlock.Addr, out excepInfo, out argErr)); return(Marshal.GetObjectForNativeVariant(resultVariantBlock.Addr)); } } }
public static object Invoke(this IDispatchEx dispatchEx, object[] args) { using (var argVariantArrayBlock = new CoTaskMemVariantArgsByRefBlock(args)) { using (var resultVariantBlock = new CoTaskMemVariantBlock()) { EXCEPINFO excepInfo; var dispArgs = new DISPPARAMS { cArgs = args.Length, rgvarg = argVariantArrayBlock.Addr, cNamedArgs = 0, rgdispidNamedArgs = IntPtr.Zero }; dispatchEx.InvokeEx(SpecialDispIDs.Default, 0, DispatchFlags.Method, ref dispArgs, resultVariantBlock.Addr, out excepInfo); return Marshal.GetObjectForNativeVariant(resultVariantBlock.Addr); } } }
public static object InvokeMethod(this IDispatchEx dispatchEx, string name, bool ignoreCase, object[] args) { int dispid; Marshal.ThrowExceptionForHR(dispatchEx.GetDispID(name, ignoreCase ? DispatchNameFlags.CaseInsensitive : DispatchNameFlags.CaseSensitive, out dispid)); using (var argVariantArrayBlock = new CoTaskMemVariantArgsByRefBlock(args)) { using (var resultVariantBlock = new CoTaskMemVariantBlock()) { EXCEPINFO excepInfo; var dispArgs = new DISPPARAMS { cArgs = args.Length, rgvarg = argVariantArrayBlock.Addr, cNamedArgs = 0, rgdispidNamedArgs = IntPtr.Zero }; dispatchEx.InvokeEx(dispid, 0, DispatchFlags.Method, ref dispArgs, resultVariantBlock.Addr, out excepInfo); return Marshal.GetObjectForNativeVariant(resultVariantBlock.Addr); } } }