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A bit of refactoring to be able to find some issue...

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Krom, Robertus 2020-02-18 16:32:51 +01:00
commit 42cd533862
308 changed files with 2705 additions and 2454 deletions
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36
GreenshotPlugin/UnmanagedHelpers/SafeCurrentInputDesktopHandle.cs Normal file
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using System;
using System.Security.Permissions;
using GreenshotPlugin.UnmanagedHelpers.Enums;
using log4net;
using Microsoft.Win32.SafeHandles;
namespace GreenshotPlugin.UnmanagedHelpers
{
/// <summary>
/// A SafeHandle class implementation for the current input desktop
/// </summary>
public class SafeCurrentInputDesktopHandle : SafeHandleZeroOrMinusOneIsInvalid {
private static readonly ILog LOG = LogManager.GetLogger(typeof(SafeCurrentInputDesktopHandle));
public SafeCurrentInputDesktopHandle() : base(true) {
IntPtr hDesktop = User32.OpenInputDesktop(0, true, DesktopAccessRight.GENERIC_ALL);
if (hDesktop != IntPtr.Zero) {
SetHandle(hDesktop);
if (User32.SetThreadDesktop(hDesktop)) {
LOG.DebugFormat("Switched to desktop {0}", hDesktop);
} else {
LOG.WarnFormat("Couldn't switch to desktop {0}", hDesktop);
LOG.Error(User32.CreateWin32Exception("SetThreadDesktop"));
}
} else {
LOG.Warn("Couldn't get current desktop.");
LOG.Error(User32.CreateWin32Exception("OpenInputDesktop"));
}
}
[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)]
protected override bool ReleaseHandle() {
return User32.CloseDesktop(handle);
}
}
}