子形式遵循主要形式 [英] Child form follow main form

问题描述

如何使子窗体遵循主窗体。

例如：打开一个winform [.net2]，winform打开窗体，如果mainform为移动。

解决方案

使用MainForm中的 LocationChanged 事件始终设置ChildForm的位置。 / p>

工作示例：

  Form childForm = new Form（）; 
 
受保护的覆盖无效OnLoad（EventArgs e）{
 base.OnLoad（e）; 
 
 childForm.StartPosition = FormStartPosition.Manual; 
 childForm.Width = this.Width; 
 childForm.Height = 96; 
 childForm.Location = new Point（this.Left，this.Bottom）; 
 childForm.Show（）; 
} 
 
受保护的覆盖无效OnLocationChanged（EventArgs e）{
 base.OnLocationChanged（e）; 
 
 if（childForm！= null）{
 childForm.Location = new Point（this.Left，this.Bottom）; 
} 
} 
  

How to make the child form follow main form.

for example: open a winform [.net2], winform opens form, form follows the mainform if mainform is moving.

解决方案

Use the LocationChanged event from the MainForm to always set the location of the ChildForm.

Working example:

Form childForm = new Form();

protected override void OnLoad(EventArgs e) {
  base.OnLoad(e);

  childForm.StartPosition = FormStartPosition.Manual;
  childForm.Width = this.Width;
  childForm.Height = 96;
  childForm.Location = new Point(this.Left, this.Bottom);
  childForm.Show();
}

protected override void OnLocationChanged(EventArgs e) {
  base.OnLocationChanged(e);

  if (childForm != null) {
    childForm.Location = new Point(this.Left, this.Bottom);
  }
}

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