Question

I have included 4 buttons inside a panel. The panel is docked to the main window.

When I resize the main window, it doesn’t reposition the 4 buttons with respect to the newly modified window size. I am using VS 2010 Designer view to accomplish this.

Here is the entire code generated from designer.cs

private void InitializeComponent()
{
    this.statusStrip1 = new System.Windows.Forms.StatusStrip();
    this.toolStripStatusLabel1 = new System.Windows.Forms.ToolStripStatusLabel();
    this.TreeDDC = new System.Windows.Forms.TreeView();
    this.BtnPointCtrl = new System.Windows.Forms.Button();
    this.BtnLogic = new System.Windows.Forms.Button();
    this.BtnComm = new System.Windows.Forms.Button();
    this.BtnSystem = new System.Windows.Forms.Button();
    this.panel1 = new System.Windows.Forms.Panel();
    this.statusStrip1.SuspendLayout();
    this.panel1.SuspendLayout();
    this.SuspendLayout();
    // 
    // statusStrip1
    // 
    this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
    this.toolStripStatusLabel1});
    this.statusStrip1.Location = new System.Drawing.Point(0, 445);
    this.statusStrip1.Name = "statusStrip1";
    this.statusStrip1.Size = new System.Drawing.Size(639, 22);
    this.statusStrip1.TabIndex = 0;
    this.statusStrip1.Text = "statusBar";
    // 
    // toolStripStatusLabel1
    // 
    this.toolStripStatusLabel1.Name = "toolStripStatusLabel1";
    this.toolStripStatusLabel1.Size = new System.Drawing.Size(61, 17);
    this.toolStripStatusLabel1.Text = "Status Bar";
    // 
    // TreeDDC
    // 
    this.TreeDDC.Dock = System.Windows.Forms.DockStyle.Left;
    this.TreeDDC.Location = new System.Drawing.Point(0, 0);
    this.TreeDDC.Name = "TreeDDC";
    this.TreeDDC.Size = new System.Drawing.Size(97, 445);
    this.TreeDDC.TabIndex = 1;
    // 
    // BtnPointCtrl
    // 
    this.BtnPointCtrl.Location = new System.Drawing.Point(28, 93);
    this.BtnPointCtrl.Name = "BtnPointCtrl";
    this.BtnPointCtrl.Size = new System.Drawing.Size(202, 86);
    this.BtnPointCtrl.TabIndex = 2;
    this.BtnPointCtrl.Text = "???";
    this.BtnPointCtrl.UseVisualStyleBackColor = true;
    // 
    // BtnLogic
    // 
    this.BtnLogic.Location = new System.Drawing.Point(28, 282);
    this.BtnLogic.Name = "BtnLogic";
    this.BtnLogic.Size = new System.Drawing.Size(202, 86);
    this.BtnLogic.TabIndex = 4;
    this.BtnLogic.Text = "??";
    this.BtnLogic.UseVisualStyleBackColor = true;
    // 
    // BtnComm
    // 
    this.BtnComm.Location = new System.Drawing.Point(307, 93);
    this.BtnComm.Name = "BtnComm";
    this.BtnComm.Size = new System.Drawing.Size(202, 86);
    this.BtnComm.TabIndex = 3;
    this.BtnComm.Text = "??";
    this.BtnComm.UseVisualStyleBackColor = true;
    // 
    // BtnSystem
    // 
    this.BtnSystem.Location = new System.Drawing.Point(307, 282);
    this.BtnSystem.Name = "BtnSystem";
    this.BtnSystem.Size = new System.Drawing.Size(202, 86);
    this.BtnSystem.TabIndex = 5;
    this.BtnSystem.Text = "???";
    this.BtnSystem.UseVisualStyleBackColor = true;
    // 
    // panel1
    // 
    this.panel1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
    this.panel1.Controls.Add(this.BtnSystem);
    this.panel1.Controls.Add(this.BtnComm);
    this.panel1.Controls.Add(this.BtnPointCtrl);
    this.panel1.Controls.Add(this.BtnLogic);
    this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
    this.panel1.Location = new System.Drawing.Point(97, 0);
    this.panel1.Name = "panel1";
    this.panel1.Size = new System.Drawing.Size(542, 445);
    this.panel1.TabIndex = 6;
    // 
    // MainForm
    // 
    this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 12F);
    this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
    this.ClientSize = new System.Drawing.Size(639, 467);
    this.Controls.Add(this.panel1);
    this.Controls.Add(this.TreeDDC);
    this.Controls.Add(this.statusStrip1);
    this.Name = "MainForm";
    this.Text = "MainForm";
    this.statusStrip1.ResumeLayout(false);
    this.statusStrip1.PerformLayout();
    this.panel1.ResumeLayout(false);
    this.ResumeLayout(false);
    this.PerformLayout();

}

But I believe the only code of interest will be the following:

this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;


this.panel1.Controls.Add(this.BtnSystem);
this.panel1.Controls.Add(this.BtnComm);
this.panel1.Controls.Add(this.BtnPointCtrl);
this.panel1.Controls.Add(this.BtnLogic);

Any help will be greatly appreciated.

Answer 1

Use the Anchor property of the buttons…

Read it Working with Anchoring and Docking

The Panel does not itself repositioning the controls when it resizing, Use the Anchor (Top, Bottom, Left, Right) property that the controls reposition when parent Panel resizes…

Or Use TableLayOutPanel.