如何将多个参数传递给wpf markupextension中的params数组?

我认为您必须使用x:数组,我不知道任何其他方法(甚至无法想到任何其他与标记扩展语法兼容的方法)。

有时候不好看,但是蛮力会让你…

来源:

[MarkupExtensionReturnType(typeof(PriorityBinding))]
public sealed class Priority:MarkupExtension {

readonly BindingBase[] bindings;

#region Constructors
public Priority(BindingBase b1) {
  bindings = new [] {b1};
}

public Priority(BindingBase b1, BindingBase b2) {
  bindings = new [] {b1, b2};
}

public Priority(BindingBase b1, BindingBase b2, BindingBase b3) {
  bindings = new [] {b1, b2, b3};
}

public Priority(BindingBase b1, BindingBase b2, BindingBase b3, 
                 BindingBase b4) {
  bindings = new [] {b1, b2, b3, b4};
}

public Priority(BindingBase b1, BindingBase b2, BindingBase b3,
                 BindingBase b4, BindingBase b5) {
  bindings = new [] {b1, b2, b3, b4, b5};
}

public Priority(BindingBase b1, BindingBase b2, BindingBase b3,
                 BindingBase b4, BindingBase b5, BindingBase b6) {
  bindings = new [] {b1, b2, b3, b4, b5, b6};
}

public Priority(BindingBase b1, BindingBase b2, BindingBase b3,
                 BindingBase b4, BindingBase b5, BindingBase b6, BindingBase b7) {
  bindings = new [] {b1, b2, b3, b4, b5, b6, b7};
}

public Priority(BindingBase b1, BindingBase b2, BindingBase b3,
                 BindingBase b4, BindingBase b5, BindingBase b6, BindingBase b7, BindingBase b8) {
  bindings = new [] {b1, b2, b3, b4, b5, b6, b7, b8};
}

#endregion

public override object ProvideValue(IServiceProvider serviceProvider) {
  var binding = new PriorityBinding();
  foreach (var item in bindings) {
    binding.Bindings.Add(item);
  }
  return binding;
}

}