msbuild Frequently-used Tasks Removing an existing directory
Example
<PropertyGroup>
<DirectoryToRemove>TempData</DirectoryToRemove>
</PropertyGroup>
<RemoveDir Directories="$(DirectoryToRemove)" />
<PropertyGroup>
<DirectoryToRemove>TempData</DirectoryToRemove>
</PropertyGroup>
<RemoveDir Directories="$(DirectoryToRemove)" />
