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the plug-in might be disposed before COM finishes when pressing SPACE key tooooo fast

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This commit is contained in:
Paddy Xu
2017-05-27 00:41:10 +03:00
parent cdddb303bd
commit 7d713682ba
2 changed files with 6 additions and 4 deletions
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3
QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/PreviewHandlerHost.cs
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@@ -127,6 +127,9 @@ namespace QuickLook.Plugin.IPreviewHandlers
if (_mCurrentPreviewHandler == null) if (_mCurrentPreviewHandler == null)
return false; return false;
if (IsDisposed)
return false;
// bind the preview handler to the control's bounds and preview the content // bind the preview handler to the control's bounds and preview the content
var r = ClientRectangle; var r = ClientRectangle;
_mCurrentPreviewHandler.SetWindow(Handle, ref r); _mCurrentPreviewHandler.SetWindow(Handle, ref r);

7
QuickLook.Plugin/QuickLook.Plugin.IPreviewHandlers/PreviewPanel.xaml.cs
View File

@@ -1,7 +1,6 @@
using System; using System;
using System.Runtime.InteropServices; using System.Runtime.InteropServices;
using System.Windows.Controls; using System.Windows.Controls;
using System.Windows.Interop;
using System.Windows.Threading; using System.Windows.Threading;
namespace QuickLook.Plugin.IPreviewHandlers namespace QuickLook.Plugin.IPreviewHandlers
@@ -37,10 +36,10 @@ namespace QuickLook.Plugin.IPreviewHandlers
_control = new PreviewHandlerHost(); _control = new PreviewHandlerHost();
presenter.Child = _control; presenter.Child = _control;
_control.Open(file); _control.Open(file);
}), DispatcherPriority.Render); }), DispatcherPriority.Loaded);
SetForegroundWindow(new WindowInteropHelper(context.ViewerWindow).Handle); //SetForegroundWindow(new WindowInteropHelper(context.ViewerWindow).Handle);
SetActiveWindow(presenter.Handle); //SetActiveWindow(presenter.Handle);
} }
[DllImport("user32.dll")] [DllImport("user32.dll")]