Question

可能重复：
Update label location in C#?

我正在创建一个自定义窗体，当我尝试更改标签的位置时，我收到错误：错误1不可调用的成员'System.Windows.Forms.Control.Location'不能像方法一样使用。 C：\ Users \ Ran \ Documents \ Visual Studio 2010 \ Projects \ SyncCustomForm \ SyncCustomForm \ SyncControl1.cs 50 24 SyncCustomForm

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace SyncCustomForm
{
    public partial class SyncControl : UserControl
    {

        public SyncControl()
        {
            InitializeComponent();
        }

        public ProgressBar prbSyncProgress
        {
            get { return prbProgress; }
        }
        public Label lblException
        {
            get { return lblMessage; }
        }
        public Label lblStatus
        {
            get { return lblS; }
        }
        public Button btnPause
        {
            get { return btnP; }
        }
        public Button btnStop
        {
            get { return btnS; }
        }
        public GroupBox grbxSync
        {
            get { return gbxSync; }
        }

        private void SyncControl_Load(object sender, EventArgs e)
        {

            lblMessage.Location.X = 50;
        }
    }
}

Answer 1

Location属性是结构，X是该结构的属性，在这种情况下，您无法独立设置X的值。

你需要这样做：

lblMessage.Location = new Point(50, 50); // both X and Y will be set this way

或者如果您只想设置X值，请设置Left属性：

lblMessage.Left = 50;

如果直接引用该结构，则只能设置结构的属性：

var loc = lblMessage.Location;
loc.X = 50;
lblMessage.Location = loc;

不可调用的成员

1 个答案: