Hello, yes use this c# code:
robotManager.Helpful.Keyboard.PressKey(wManager.Wow.Memory.WowMemory.Memory.WindowHandle, System.Windows.Forms.Keys.A);
Replace "A" by your key https://docs.microsoft.com/fr-fr/dotnet/api/system.windows.forms.keys?f1url=https%3A%2F%2Fmsdn.microsoft.com%2Fquery%2Fdev15.query%3FappId%3DDev15IDEF1%26l%3DFR-FR%26k%3Dk(System.Windows.Forms.Keys);k(SolutionItemsProject);k(TargetFrameworkMoniker-.NETFramework,Version%3Dv4.5);k(DevLang-csharp)%26rd%3Dtrue%26f%3D255%26MSPPError%3D-2147217396&view=netframework-4.8