不同窗体上的c# winform调整大小按钮

Question

我想使用 form1 上的按钮调整 form2 上的按钮大小。

这是我的代码，它给了我一个错误：

public void button7_Click(object sender, EventArgs e)
{
    Form2 f2 = new Form2();
    int x = Convert.ToInt32(textBox7.Text);
    int y = Convert.ToInt32(textBox8.Text);
    f2.button8.Size = new System.Drawing.Size(x, y);
}

它在 Form2.button8.Size .. 处有一个错误。我把我的按钮8公开了，所以可以访问它。但它仍然给我错误“Form2.button8由于其保护级别而无法访问”。

这是我在form2的按钮8

public void button8_Click（object sender， EventArgs e） { }

我该如何解决这个问题？

Answer 1

namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
    Form2 f2 = new Form2();

    public Form1()
    {
        InitializeComponent();
        f2.Show();
    }

    private void button1_Click(object sender, EventArgs e)
    {
        f2.button1.Size = new Size(int.Parse(textBox1.Text), int.Parse(textBox2.Text));
    }
}
}

我在form2.designer.cs internal上做了button1。

namespace WindowsFormsApplication2
{
    partial class Form2
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(95, 89);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(75, 23);
            this.button1.TabIndex = 0;
            this.button1.Text = "buttonForm2";
            this.button1.UseVisualStyleBackColor = true;
            // 
            // Form2
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(284, 262);
            this.Controls.Add(this.button1);
            this.Name = "Form2";
            this.Text = "Form2";
            this.ResumeLayout(false);

        }

        #endregion

    //This is where you change from private to internal
        internal System.Windows.Forms.Button button1;
    }
}