在子窗体Form2中加如下代码:
private void Form2_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if((e.X >=this.ParentForm.Left) && (e.X<=this.ParentForm.Left+this.ParentForm.Width) &&
(e.Y>=this.ParentForm.Top) &&
(e.Y<=this.ParentForm.Top+this.ParentForm.Height))
{
//do your work
}
}
private void Form2_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if((e.X >=this.ParentForm.Left) && (e.X<=this.ParentForm.Left+this.ParentForm.Width) &&
(e.Y>=this.ParentForm.Top) &&
(e.Y<=this.ParentForm.Top+this.ParentForm.Height))
{
//do your work
}
}
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using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;namespace WindowsApplication2
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Button button1;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
public static int myLeft=0;
public static int myTop=0;
public static int myWidth=0;
public static int myHeight=0;
public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent(); //
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
} /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.button1 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(192, 200);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(104, 32);
this.button1.TabIndex = 0;
this.button1.Text = "button1";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(456, 273);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false); }
#endregion /// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
} private void button1_Click(object sender, System.EventArgs e)
{
//记录当前父窗体位置
myLeft=this.Left;
myTop=this.Top;
myWidth=this.Width;
myHeight=this.Height;
Form2 myForm=new Form2();
myForm.ShowDialog();
}
}
}
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;namespace WindowsApplication2
{
/// <summary>
/// Form2 的摘要说明。
/// </summary>
public class Form2 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Timer timer1;
private System.ComponentModel.IContainer components; public Form2()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent(); //
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
} /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.label1 = new System.Windows.Forms.Label();
this.timer1 = new System.Windows.Forms.Timer(this.components);
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(24, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(240, 40);
this.label1.TabIndex = 0;
this.label1.Text = "label1";
//
// timer1
//
this.timer1.Enabled = true;
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
//
// Form2
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(292, 77);
this.Controls.Add(this.label1);
this.MaximizeBox = false;
this.Name = "Form2";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "Form2";
this.Load += new System.EventHandler(this.Form2_Load);
this.ResumeLayout(false); }
#endregion private void Form2_Load(object sender, System.EventArgs e)
{
label1.Text=Form1.myLeft.ToString()+" "+Form1.myTop.ToString()+" "+Form1.myWidth.ToString()+" "+Form1.myHeight.ToString();
} private void timer1_Tick(object sender, System.EventArgs e)
{
if(((Cursor.Position.X<Form1.myLeft+Form1.myWidth)&&(Cursor.Position.X)>Form1.myLeft)&&((Cursor.Position.Y>Form1.myTop)&&(Cursor.Position.Y<Form1.myTop+Form1.myHeight)))
MessageBox.Show("在父窗体内了!");
}
}
}
应该在主窗体中增加如下代码:
private void Form1_MouseEnter(object sender, System.EventArgs e)
{
//your work
}