Msbuild Condition Boolean, <PropertyGroup Condition=" '$

Msbuild Condition Boolean, <PropertyGroup Condition=" '$ (Configuration)|$ (Platform)' == 'Debug|iPhoneSimulator' "> I now want to add another Condition in there lookin In MsBuild, is it possible to create an MSBuild condition (or another situation) that will evaluate whether a Property is 'defined' (presuming that this is previous to assigning the property a value somewhere)? MSBuild properties are case sensitive. You should post the output of msbuild so we can be sure, but for reference I compiled your project using <Error Text="Some Text" Condition="'$(StringName)' != 'Test'"/> The string comparison here is case-sensitive, so when $(StringName) is something like 'test', the condition is not met. We can use the task's Condition attribute, with the ! ('Not') Operator to achieve this. Message text MSB4087: Specified condition 'value' does not evaluate to a boolean. The condition attribute checks if 'UpdateVersion' My goal was to include a different file inside my project depending on selected project configuration, something that MSBuild is able to do using an appropriate Condition applied at item level or MSBuild provides a rich object model (further just OM) exposing representation of the build scripts (unstructured and structured model of documents contributing to the build), build data (the definition If a target is skipped because its Condition attribute evaluates to false, it can still be executed if it is invoked later in the build and its Condition attribute evaluates to true at that time. Conditional constructs Describes how to use the Choose, When, . But the second one is not emitted If the Condition attributes of both When elements evaluate to false, the property values in the Otherwise element are set. Boolean literals are accepted, so Condition="true" and Condition="false" work as expected. So the issue is a difference between msbuild restore, nuget restore and VS IDE Restore. However, nuget restore and msbuild restore can specify the condition on non-sdk project.

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