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There is one problem that I encountered by following the pos RRS feed

  • Question

  • There is one problem that I encountered by following the post. I was dynamically detecting for UniversalApiContract v4. However, when the code was running on .NET 4.5 classic desktop app (manifested for Windows 10 Runtime), there was an exception about “Windows Runtime-type XXXXX is not found”.

    Turned out that the when inlining the contract-specific call in the IF that checks for contract presence, then it will throw exception.

    So, the following is WRONG:
    public void DoContractSpecificStuff()
    {
    if(ApiInformation.IsApiContractPresent(“Windows.Foundation.UniversalApiContract”, 4))
    {
    GattCharacteristicsResult gatt = … Do some v4 stuff with GattCharacteristicsResult
    }
    else
    { /* Do <v4 stuff*/ }
    }

    It needs to be coded in the following way instead:
    public void DoContractSpecificStuff()
    {
    if(ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 4))
    {
    DoContractV4Call();
    }
    else
    { /* Do <v4 stuff*/ }
    }

    public void DoContractV4Call()
    {
    GattCharacteristicsResult using code goes here
    }

    • Moved by Just KarlModerator Thursday, December 28, 2017 2:57 PM Looking for the correct forum
    Tuesday, November 21, 2017 10:37 PM

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