EvaluateCondition Method (condition, defaultValue)

DTF API

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Deployment Tools Foundation EvaluateCondition Method (condition, defaultValue)
Deployment Tools Foundation Namespaces ► Microsoft.Deployment.WindowsInstaller ► Session ► EvaluateCondition(String, Boolean)
Evaluates a logical expression containing symbols and values, specifying a default value to be returned in case the condition is empty.
Declaration Syntax
C# Visual Basic Visual C++ F# 
public bool EvaluateCondition(
	string condition,
	bool defaultValue
)
Public Function EvaluateCondition ( 
	condition As String,
	defaultValue As Boolean
) As Boolean
public:
bool EvaluateCondition(
	String^ condition, 
	bool defaultValue
)
member EvaluateCondition : 
        condition : string * 
        defaultValue : bool -> bool
Parameters
condition (String)
conditional expression
defaultValue (Boolean)
value to return if the condition is empty
Return Value
Boolean
The result of the condition evaluation
Remarks

Win32 MSI API: MsiEvaluateCondition

Exceptions
Exception Condition
InvalidHandleException the Session handle is invalid
InvalidOperationException the conditional expression is invalid

Assembly: Microsoft.Deployment.WindowsInstaller (Module: Microsoft.Deployment.WindowsInstaller.dll) Version: 3.0.0.0 (3.11.1.2318)

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