Create README.md

Author: govert

README.md

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+# WiFiDirectLegacyAPDemo
+This is a copy of the Windows sample that allows 'soft AP' support on Windows 10 through the WiFi Direct interfaces.
+
+This means the driver need not have "Hosted networks supported" or "Soft AP" supported.
+The driver must support Wi-Fi Direct, as shown when running:
+`netsh wlan show wirelesscapabilities`
+
+The code in this repo was taken from here: https://github.com/microsoft/Windows-classic-samples/tree/master/Samples/WiFiDirectLegacyAP opened in VS 2019 16.7 and rebuilt with recommended upgrade of the project (target runtime version was updated).
+
+The Release page has binaries for x86 and x64
+Those require the corresponding VS++ runtime version 14.1 (VS 2019 runtime).
+Runtime updates can be downloaded from the "Other Tools and Frameworks" section here: https://visualstudio.microsoft.com/downloads/
+The same runtime update files are also documented and linked here: https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads
+
+Running the program gives these options:
+```
+PS D:\WebTest> .\WiFiDirectLegacyAPDemo.exe                                                                             
+>?
+
+Wi-Fi Direct Legacy AP Demo Usage:
+----------------------------------
+start             : Start the legacy AP to accept connections
+stop              : Stop the legacy AP
+ssid <ssid>       : Configure the SSID before starting the legacy AP
+pass <passphrase> : Configure the passphrase before starting the legacy AP
+autoaccept <0|1>  : Configure the legacy AP to accept connections (default) or prompt the user
+quit|exit         : Exit
+
+>                                                                                                                       
+```
+