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Modified WPF+SparsePkg demo so that it correctly defines the P/Invoke… #18

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Modified WPF+SparsePkg demo so that it correctly defines the P/Invoke… #18

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39 changes: 37 additions & 2 deletions Samples/SparsePackages/PhotoStoreDemo/ExecutionMode.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ internal class ExecutionMode
{

[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
static extern int GetCurrentPackageFullName(ref int packageFullNameLength, ref StringBuilder packageFullName);
static extern int GetCurrentPackageFullName(ref int packageFullNameLength, StringBuilder packageFullName);

internal static bool IsRunningWithIdentity()
{
Expand All @@ -23,12 +23,47 @@ internal static bool IsRunningWithIdentity()
{
StringBuilder sb = new StringBuilder(1024);
int length = 0;
int result = GetCurrentPackageFullName(ref length, ref sb);
int result = GetCurrentPackageFullName(ref length, sb);

return result != 15700;
}
}

internal static string GetCurrentPackageFullName()
{
if (isWindows7OrLower())
{
System.Diagnostics.Debug.WriteLine("Appmodel packaging is not available on this version of Windows.");
return null;
}
else
{
StringBuilder sb = new StringBuilder(1024);
int length = 0;
int result = GetCurrentPackageFullName(ref length, sb);

if (result != 15700)
{
sb.EnsureCapacity(length);
result = GetCurrentPackageFullName(ref length, sb);
if (result == 0)
{
return sb.ToString();
}
else
{
System.ComponentModel.Win32Exception win32Exception = new System.ComponentModel.Win32Exception(result);
System.Diagnostics.Debug.WriteLine(win32Exception.Message);
}
}
else
{
System.ComponentModel.Win32Exception win32Exception = new System.ComponentModel.Win32Exception(result);
System.Diagnostics.Debug.WriteLine(win32Exception.Message);
}
return null;
}
}
private static bool isWindows7OrLower()
{
int versionMajor = Environment.OSVersion.Version.Major;
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19 changes: 14 additions & 5 deletions Samples/SparsePackages/PhotoStoreDemo/StartUp.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -210,13 +210,22 @@ private static bool registerSparsePackage(string externalLocation, string sparse
private static void removeSparsePackage() //example of how to uninstall a Sparse Package
{
PackageManager packageManager = new PackageManager();
Windows.Foundation.IAsyncOperationWithProgress<DeploymentResult, DeploymentProgress> deploymentOperation = packageManager.RemovePackageAsync("PhotoStoreDemo_0.0.0.1_x86__rg009sv5qtcca");
ManualResetEvent opCompletedEvent = new ManualResetEvent(false); // this event will be signaled when the deployment operation has completed.
string packageFullName = ExecutionMode.GetCurrentPackageFullName();
if (packageFullName != null)
{
Windows.Foundation.IAsyncOperationWithProgress<DeploymentResult, DeploymentProgress> deploymentOperation = packageManager.RemovePackageAsync(packageFullName);
ManualResetEvent opCompletedEvent = new ManualResetEvent(false); // this event will be signaled when the deployment operation has completed.

deploymentOperation.Completed = (depProgress, status) => { opCompletedEvent.Set(); };
deploymentOperation.Completed = (depProgress, status) => { opCompletedEvent.Set(); };

Debug.WriteLine("Uninstalling package..");
opCompletedEvent.WaitOne();
Debug.WriteLine("Uninstalling package {0}", packageFullName);
opCompletedEvent.WaitOne();
Debug.WriteLine("Package {0} successfully uninstalled.", packageFullName);
}
else
{
Debug.WriteLine("Could not uninstall package, there was an error getting the package name.");
}
}

}
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