private void DefineCmd(RoutedCommand cmdId, ExecuteCmdHandler executeCmd, CanExecuteCmdHandler canExecuteCmd)
{
var cmd = new CommandBinding(
cmdId,
delegate(object sender, ExecutedRoutedEventArgs e)
{
executeCmd();
e.Handled = true;
},
delegate(object sender, CanExecuteRoutedEventArgs e) { e.CanExecute = canExecuteCmd(); });
CommandBindings.Add(cmd);
}
private void DefineCmd(RoutedCommand cmdId, ExecuteCmdHandler executeCmd, CanExecuteCmdHandler canExecuteCmd)
{
var cmd = new CommandBinding(
cmdId,
delegate(object sender, ExecutedRoutedEventArgs e)
{
executeCmd();
e.Handled = true;
},
delegate(object sender, CanExecuteRoutedEventArgs e) { e.CanExecute = canExecuteCmd(); });
CommandBindings.Add(cmd);
}
private void DefineCmd(Guid guidCmdSet, int cmdid, ExecuteCmdHandler executeCmd, CanExecuteCmdHandler canExecuteCmd)
{
var invokeHandler =
executeCmd == null
? (EventHandler)null
: (sender, e) =>
{
if (_currentExplorerInfo != null)
{
executeCmd(_currentExplorerInfo._explorerFrame);
}
};
Debug.Assert(null != invokeHandler, "DefineCmd: Could not define command - null invokeHandler");
if (null != invokeHandler)
{
var menuCmd = DefineCommandHandler(invokeHandler, guidCmdSet, cmdid);
Debug.Assert(null != menuCmd, "Unable to define OleMenuCommand for GUID " + guidCmdSet + ", cmdid " + cmdid);
if (null != menuCmd)
{
menuCmd.BeforeQueryStatus += (sender, arguments) =>
{
if (null != _currentExplorerInfo)
{
var canExecute = null != _currentExplorerInfo._explorerFrame &&
canExecuteCmd(_currentExplorerInfo._explorerFrame);
var oleMenuCommandSender = (OleMenuCommand)sender;
oleMenuCommandSender.Enabled = oleMenuCommandSender.Visible = canExecute;
}
};
}
}
}
private void DefineCmd(Guid guidCmdSet, int cmdid, ExecuteCmdHandler executeCmd, CanExecuteCmdHandler canExecuteCmd)
{
var invokeHandler =
executeCmd == null
? (EventHandler)null
: (sender, e) =>
{
if (_currentExplorerInfo != null)
{
executeCmd(_currentExplorerInfo._explorerFrame);
}
};
Debug.Assert(null != invokeHandler, "DefineCmd: Could not define command - null invokeHandler");
if (null != invokeHandler)
{
var menuCmd = DefineCommandHandler(invokeHandler, guidCmdSet, cmdid);
Debug.Assert(null != menuCmd, "Unable to define OleMenuCommand for GUID " + guidCmdSet + ", cmdid " + cmdid);
if (null != menuCmd)
{
menuCmd.BeforeQueryStatus += (sender, arguments) =>
{
if (null != _currentExplorerInfo)
{
var canExecute = null != _currentExplorerInfo._explorerFrame
&& canExecuteCmd(_currentExplorerInfo._explorerFrame);
var oleMenuCommandSender = (OleMenuCommand)sender;
oleMenuCommandSender.Enabled = oleMenuCommandSender.Visible = canExecute;
}
};
}
}
}
