Contract.Assert Method (Boolean, String)
.NET Framework (current version)
Checks for a condition; if the condition is false, follows the escalation policy set by the analyzer and displays the specified message.
Assembly: mscorlib (in mscorlib.dll)
[ConditionalAttribute("DEBUG")] [ConditionalAttribute("CONTRACTS_FULL")] public static void Assert( bool condition, string userMessage )
Parameters
- condition
-
Type:
System.Boolean
The conditional expression to test.
- userMessage
-
Type:
System.String
A message to display if the condition is not met.
The default escalation policy is to notify the attached debugger about a contract failure or to display an Assert dialog box if a debugger is not attached. Optionally, the analyzer can be instructed to throw an exception. The userMessage parameter is passed to the debugger output. If userMessage is not a constant string literal, tools may not be able to read it.
Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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