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thielj / MetroFramework

Metro UI of Windows 8 for .NET Windows Forms applications
http://thielj.github.io/MetroFramework
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A valid active Window is needed to update the Taskbar #19

Open vitto21 opened 10 years ago

vitto21 commented 10 years ago

A valid active Window is needed to update the Taskbar

See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.

\ Exception Text ** System.InvalidOperationException: A valid active Window is needed to update the Taskbar at Microsoft.WindowsAPICodePack.Taskbar.TaskbarManager.get_OwnerHandle() at Microsoft.WindowsAPICodePack.Taskbar.TaskbarManager.SetProgressState(TaskbarProgressBarState state)

Windows API Codeck: http://archive.msdn.microsoft.com/WindowsAPICodePack/Release/ProjectReleases.aspx?ReleaseId=4906