ErrorHandler.CallWithCOMConvention Method
Definition
Important
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Overloads
| CallWithCOMConvention(Action, Boolean) |
Use CallWithCOMConvention when an interop interface might be implemented by managed code and it is expected to return HRESULT error codes but also throws exceptions. This method will catch all but critical exceptions and return the corresponding HRESULT for the caught exception. Call as follows:
|
| CallWithCOMConvention(Func<Int32>, Boolean) |
Use CallWithCOMConvention when an interop interface might be implimentd by managed code and it is expected to return HRESULT error codes but also throws exceptions. This method will catch all but critical exceptions and return the corresponding HRESULT for the caught exception. Call as follows: hr = ErrorHandler.CallWithCOMConvention(delegate() { object.method(param); }); } or hr = ErrorHandler.CallWithCOMConvention(() => object.method(param)); } |
CallWithCOMConvention(Action, Boolean)
Use CallWithCOMConvention when an interop interface might be implemented by managed code and it is expected to return HRESULT error codes but also throws exceptions. This method will catch all but critical exceptions and return the corresponding HRESULT for the caught exception.
Call as follows:
hr = ErrorHandler.CallWithCOMConvention(delegate() { object.method(param); }); }
or
hr = ErrorHandler.CallWithCOMConvention(() => object.method(param)); }
public static int CallWithCOMConvention (Action method, bool reportError = false);static member CallWithCOMConvention : Action * bool -> intPublic Shared Function CallWithCOMConvention (method As Action, Optional reportError As Boolean = false) As IntegerParameters
- method
- Action
The action to invoke.
- reportError
- Boolean
True to report the error
Returns
Zero (S_OK) on success. Otherwise an HRESULT representing the exception thrown by invoking method.
Examples
hr = ErrorHandler.CallWithCOMConvention(delegate() { object.method(param); }); }
or
hr = ErrorHandler.CallWithCOMConvention(() => object.method(param)); }
Applies to
CallWithCOMConvention(Func<Int32>, Boolean)
Use CallWithCOMConvention when an interop interface might be implimentd by managed code and it is expected to return HRESULT error codes but also throws exceptions. This method will catch all but critical exceptions and return the corresponding HRESULT for the caught exception.
Call as follows: hr = ErrorHandler.CallWithCOMConvention(delegate() { object.method(param); }); } or hr = ErrorHandler.CallWithCOMConvention(() => object.method(param)); }
public static int CallWithCOMConvention (Func<int> method, bool reportError = false);static member CallWithCOMConvention : Func<int> * bool -> intPublic Shared Function CallWithCOMConvention (method As Func(Of Integer), Optional reportError As Boolean = false) As IntegerParameters
- reportError
- Boolean