'Usage Dim instance As TdQueryBand Dim key As String Dim value As Boolean value = instance.ContainsKey(key)
Parameters
- key
- The name of the Query Band.
'Usage Dim instance As TdQueryBand Dim key As String Dim value As Boolean value = instance.ContainsKey(key)
| Exception | Description | 
|---|---|
| System.ArgumentNullException | The key is null. | 
| Product | Versions | Platforms | 
|---|---|---|
| .NET | 6, 7 | Windows, Linux, MacOS | 
| .NET Framework | 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 | Windows | 
| .NET Standard | 2.0 | Windows, Linux, MacOS |