Logs a warning using the specified message and other warning details.
MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.
Namespace:  Microsoft.Build.Utilities
Assembly:  Microsoft.Build.Utilities.Core (in Microsoft.Build.Utilities.Core.dll)
Syntax
'Declaration
Public Sub LogWarning ( _
    subcategory As String, _
    warningCode As String, _
    helpKeyword As String, _
    file As String, _
    lineNumber As Integer, _
    columnNumber As Integer, _
    endLineNumber As Integer, _
    endColumnNumber As Integer, _
    message As String, _
    ParamArray messageArgs As Object() _
)
public void LogWarning(
    string subcategory,
    string warningCode,
    string helpKeyword,
    string file,
    int lineNumber,
    int columnNumber,
    int endLineNumber,
    int endColumnNumber,
    string message,
    params Object[] messageArgs
)
public:
void LogWarning(
    String^ subcategory, 
    String^ warningCode, 
    String^ helpKeyword, 
    String^ file, 
    int lineNumber, 
    int columnNumber, 
    int endLineNumber, 
    int endColumnNumber, 
    String^ message, 
    ... array<Object^>^ messageArgs
)
member LogWarning : 
        subcategory:string * 
        warningCode:string * 
        helpKeyword:string * 
        file:string * 
        lineNumber:int * 
        columnNumber:int * 
        endLineNumber:int * 
        endColumnNumber:int * 
        message:string * 
        messageArgs:Object[] -> unit
public function LogWarning(
    subcategory : String, 
    warningCode : String, 
    helpKeyword : String, 
    file : String, 
    lineNumber : int, 
    columnNumber : int, 
    endLineNumber : int, 
    endColumnNumber : int, 
    message : String, 
    ... messageArgs : Object[]
)
Parameters
- subcategory 
 Type: System.String- The description of the warning type. 
- warningCode 
 Type: System.String- The warning code. 
- helpKeyword 
 Type: System.String- The Help keyword to associate with the warning. 
- file 
 Type: System.String- The path to the file containing the warning. 
- lineNumber 
 Type: System.Int32- The line in the file where the warning occurs. 
- columnNumber 
 Type: System.Int32- The column in the file where the warning occurs. 
- endLineNumber 
 Type: System.Int32- The end line in the file where the warning occurs. 
- endColumnNumber 
 Type: System.Int32- The end column in the file where the warning occurs. 
- message 
 Type: System.String- The message. 
- messageArgs 
 Type: array<System.Object[]- Optional arguments for formatting the message string. 
Exceptions
| Exception | Condition | 
|---|---|
| ArgumentNullException | message is nulla null reference (Nothing in Visual Basic). | 
Remarks
The parameters subCategory, warningCode, helpKeyword, and file can be nulla null reference (Nothing in Visual Basic).
The parameters lineNumber, columnNumber, endLineNumber, and endColumnNumber should be set to 0 if they are not available.
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see dd66cd4c-b087-415f-9c3e-94e3a1835f74.