private void ReleaseAll()
{
if (null != this._oContextMenu)
{
Marshal.ReleaseComObject(this._oContextMenu);
this._oContextMenu = null;
}
if (null != this._oContextMenu2)
{
Marshal.ReleaseComObject(this._oContextMenu2);
this._oContextMenu2 = null;
}
if (null != this._oContextMenu3)
{
Marshal.ReleaseComObject(this._oContextMenu3);
this._oContextMenu3 = null;
}
if (null != this._oDesktopFolder)
{
Marshal.ReleaseComObject(this._oDesktopFolder);
this._oDesktopFolder = null;
}
if (null != this._oParentFolder)
{
Marshal.ReleaseComObject(this._oParentFolder);
this._oParentFolder = null;
}
if (null != this._arrPIDLs)
{
this.FreePIDLs(this._arrPIDLs);
this._arrPIDLs = null;
}
}
private void InvokeCommand(ShellContextMenu.IContextMenu oContextMenu, uint nCmd, string strFolder, Point pointInvoke)
{
ShellContextMenu.CMINVOKECOMMANDINFOEX cMINVOKECOMMANDINFOEX = default(ShellContextMenu.CMINVOKECOMMANDINFOEX);
cMINVOKECOMMANDINFOEX.cbSize = ShellContextMenu.cbInvokeCommand;
cMINVOKECOMMANDINFOEX.lpVerb = (IntPtr)((long)((ulong)(nCmd - 1u)));
cMINVOKECOMMANDINFOEX.lpDirectory = strFolder;
cMINVOKECOMMANDINFOEX.lpVerbW = (IntPtr)((long)((ulong)(nCmd - 1u)));
cMINVOKECOMMANDINFOEX.lpDirectoryW = strFolder;
cMINVOKECOMMANDINFOEX.fMask = (ShellContextMenu.CMIC.UNICODE | ShellContextMenu.CMIC.PTINVOKE | (((Control.ModifierKeys & Keys.Control) != Keys.None) ? ShellContextMenu.CMIC.CONTROL_DOWN : ((ShellContextMenu.CMIC) 0u)) | (((Control.ModifierKeys & Keys.Shift) != Keys.None) ? ShellContextMenu.CMIC.SHIFT_DOWN : ((ShellContextMenu.CMIC) 0u)));
cMINVOKECOMMANDINFOEX.ptInvoke = new ShellContextMenu.POINT(pointInvoke.X, pointInvoke.Y);
cMINVOKECOMMANDINFOEX.nShow = ShellContextMenu.SW.SHOWNORMAL;
oContextMenu.InvokeCommand(ref cMINVOKECOMMANDINFOEX);
}
private bool GetContextMenuInterfaces(ShellContextMenu.IShellFolder oParentFolder, IntPtr[] arrPIDLs, out IntPtr ctxMenuPtr)
{
int uIObjectOf = oParentFolder.GetUIObjectOf(IntPtr.Zero, (uint)arrPIDLs.Length, arrPIDLs, ref ShellContextMenu.IID_IContextMenu, IntPtr.Zero, out ctxMenuPtr);
bool result;
if (0 == uIObjectOf)
{
this._oContextMenu = (ShellContextMenu.IContextMenu)Marshal.GetTypedObjectForIUnknown(ctxMenuPtr, typeof(ShellContextMenu.IContextMenu));
result = true;
}
else
{
ctxMenuPtr = IntPtr.Zero;
this._oContextMenu = null;
result = false;
}
return(result);
}
