/// <summary>
/// (自动)绑定命令按钮的ControlEvent 到关联的命令对象
/// </summary>
/// <param name="control"></param>
public void BindCommandControls(ICommandControl control)
{
object dataSource = GetInstanceByMemberName(control.CommandObject);
string[] propNames = control.CommandName.Split('.');
object obj = GetPropertyValue(dataSource, propNames);
IMvvmCommand command = obj as IMvvmCommand;
BindCommandControls(control, control.ControlEvent, command);
}
/// <summary>
/// 绑定控件的事件到命令接口对象
/// </summary>
/// <param name="control">窗体控件</param>
/// <param name="controlEvent">控件的事件</param>
/// <param name="command">要绑定的命令接口对象</param>
public void BindCommandControls(object control, string controlEvent, IMvvmCommand command)
{
EventHandler hander = new EventHandler(
(object sender, EventArgs e) =>
{
object paraValue = null;
if (control is ICommandControl)
{
try
{
ICommandControl cmdCtr = control as ICommandControl;
if (cmdCtr.ParameterObject != null && cmdCtr.ParameterProperty != null)
{
object paraSource = GetInstanceByMemberName(cmdCtr.ParameterObject);
string[] paraPropNames = cmdCtr.ParameterProperty.Split('.');
paraValue = GetPropertyValue(paraSource, paraPropNames);
}
}
catch (Exception ex)
{
RaiseBinderError(control, ex);
return;
}
}
if (command.BeforExecute(paraValue))
{
try
{
command.Execute(paraValue);
}
catch (Exception ex)
{
RaiseBinderError(control, ex);
}
finally
{
command.AfterExecute();
}
}
});
Type ctrType = control.GetType();
ctrType.GetEvent(controlEvent).AddEventHandler(control, hander);
}
