private static Standard.IShellItem2 GetShellItemForPath(string path)
{
object obj2;
if (string.IsNullOrEmpty(path))
{
return(null);
}
Guid riid = new Guid("7e9fb0d3-919f-4307-ab2e-9b1860310c93");
Standard.HRESULT hresult = Standard.NativeMethods.SHCreateItemFromParsingName(path, null, ref riid, out obj2);
if ((hresult == ((Standard.HRESULT)Standard.Win32Error.ERROR_FILE_NOT_FOUND)) || (hresult == ((Standard.HRESULT)Standard.Win32Error.ERROR_PATH_NOT_FOUND)))
{
hresult = Standard.HRESULT.S_OK;
obj2 = null;
}
hresult.ThrowIfFailed();
return((Standard.IShellItem2)obj2);
}
private Standard.HRESULT _RegisterThumbButtons()
{
Standard.HRESULT hresult = Standard.HRESULT.S_OK;
if (!this._haveAddedButtons)
{
Standard.THUMBBUTTON[] pButtons = new Standard.THUMBBUTTON[7];
for (int i = 0; i < 7; i++)
{
pButtons[i] = new Standard.THUMBBUTTON {
iId = (uint)i, dwFlags = Standard.THBF.DISABLED | Standard.THBF.HIDDEN | Standard.THBF.NOBACKGROUND, dwMask = Standard.THB.FLAGS | Standard.THB.ICON | Standard.THB.TOOLTIP
};
}
hresult = this._taskbarList.ThumbBarAddButtons(this._hwndSource.Handle, (uint)pButtons.Length, pButtons);
if (hresult == Standard.HRESULT.E_INVALIDARG)
{
hresult = Standard.HRESULT.S_FALSE;
}
this._haveAddedButtons = hresult.Succeeded;
}
return(hresult);
}
private Standard.HRESULT _UpdateThumbButtons(bool attached)
{
Standard.HRESULT hresult2;
Standard.THUMBBUTTON[] pButtons = new Standard.THUMBBUTTON[7];
Standard.HRESULT hresult = this._RegisterThumbButtons();
if (hresult.Failed)
{
return(hresult);
}
ThumbButtonInfoCollection thumbButtonInfos = this.ThumbButtonInfos;
try
{
uint index = 0;
if (attached && (thumbButtonInfos != null))
{
foreach (ThumbButtonInfo info in thumbButtonInfos)
{
Standard.THUMBBUTTON thumbbutton = new Standard.THUMBBUTTON {
iId = index,
dwMask = Standard.THB.FLAGS | Standard.THB.ICON | Standard.THB.TOOLTIP
};
switch (info.Visibility)
{
case Visibility.Hidden:
thumbbutton.dwFlags = Standard.THBF.DISABLED | Standard.THBF.NOBACKGROUND;
thumbbutton.hIcon = IntPtr.Zero;
break;
case Visibility.Collapsed:
thumbbutton.dwFlags = Standard.THBF.ENABLED | Standard.THBF.HIDDEN;
break;
default:
thumbbutton.szTip = info.Description ?? "";
thumbbutton.hIcon = this._GetHICONFromImageSource(info.ImageSource, this._overlaySize);
if (!info.IsBackgroundVisible)
{
thumbbutton.dwFlags |= Standard.THBF.ENABLED | Standard.THBF.NOBACKGROUND;
}
if (!info.IsEnabled)
{
thumbbutton.dwFlags |= Standard.THBF.DISABLED;
}
else
{
thumbbutton.dwFlags = thumbbutton.dwFlags;
}
if (!info.IsInteractive)
{
thumbbutton.dwFlags |= Standard.THBF.ENABLED | Standard.THBF.NONINTERACTIVE;
}
if (info.DismissWhenClicked)
{
thumbbutton.dwFlags |= Standard.THBF.DISMISSONCLICK;
}
break;
}
pButtons[index] = thumbbutton;
index++;
if (index == 7)
{
break;
}
}
}
while (index < 7)
{
pButtons[index] = new Standard.THUMBBUTTON {
iId = index, dwFlags = Standard.THBF.DISABLED | Standard.THBF.HIDDEN | Standard.THBF.NOBACKGROUND, dwMask = Standard.THB.FLAGS | Standard.THB.ICON | Standard.THB.TOOLTIP
};
index++;
}
hresult2 = this._taskbarList.ThumbBarUpdateButtons(this._hwndSource.Handle, (uint)pButtons.Length, pButtons);
}
finally
{
foreach (Standard.THUMBBUTTON thumbbutton4 in pButtons)
{
IntPtr hIcon = thumbbutton4.hIcon;
if (IntPtr.Zero != hIcon)
{
Standard.Utility.SafeDestroyIcon(ref hIcon);
}
}
}
return(hresult2);
}