C# Winform多屏幕多显示器编程技巧实例
在窗口的中间有一个System.Windows.Forms.PictureBox控件（该控件区域的面积为所在窗口的1/4），当该控件的大部分区域落在其中一台显示器时，在另一台显示器将不显示该控件，（该PictureBox控件将移动到主显示器所在的窗口区域）。
实现方法:
usingSystem;
usingSystem.Drawing;
usingSystem.Collections;
usingSystem.ComponentModel;
usingSystem.Windows.Forms;
usingSystem.Data;
namespaceWindowsApplication12
{
///<summary>
///SummarydescriptionforForm1.
///</summary>
publicclassForm1:System.Windows.Forms.Form
{
privateinttmpx=0;
privateinttmpy=0;
privateSystem.Windows.Forms.PictureBoxpictureBox1;
///<summary>
///Requireddesignervariable.
///</summary>
privateSystem.ComponentModel.Containercomponents=null;
System.Drawing.Rectangle[]ScreensRect;
publicForm1()
{
//
//RequiredforWindowsFormDesignersupport
//
InitializeComponent();
//
//TODO:AddanyconstructorcodeafterInitializeComponentcall
//
}
///<summary>
///Cleanupanyresourcesbeingused.
///</summary>
protectedoverridevoidDispose(booldisposing)
{
if(disposing)
{
if(components!=null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
#regionWindowsFormDesignergeneratedcode
///<summary>
///RequiredmethodforDesignersupport-donotmodify
///thecontentsofthismethodwiththecodeeditor.
///</summary>
privatevoidInitializeComponent()
{
this.pictureBox1=newSystem.Windows.Forms.PictureBox();
this.SuspendLayout();
//
//pictureBox1
//
this.pictureBox1.BackColor=System.Drawing.SystemColors.HotTrack;
this.pictureBox1.Location=newSystem.Drawing.Point(120,88);
this.pictureBox1.Name="pictureBox1";
this.pictureBox1.Size=newSystem.Drawing.Size(248,176);
this.pictureBox1.TabIndex=0;
this.pictureBox1.TabStop=false;
//
//Form1
//
this.AutoScaleBaseSize=newSystem.Drawing.Size(5,13);
this.ClientSize=newSystem.Drawing.Size(504,357);
this.Controls.Add(this.pictureBox1);
this.Name="Form1";
this.Text="Form1";
this.MouseDown+=newSystem.Windows.Forms.MouseEventHandler(this.Form1_MouseDown);
this.Load+=newSystem.EventHandler(this.Form1_Load);
this.MouseUp+=newSystem.Windows.Forms.MouseEventHandler(this.Form1_MouseUp);
this.ResumeLayout(false);
}
#endregion
///<summary>
///Themainentrypointfortheapplication.
///</summary>
[STAThread]
staticvoidMain()
{
Application.Run(newForm1());
}
privatevoidForm1_MouseDown(objectsender,System.Windows.Forms.MouseEventArgse)
{
this.tmpx=e.X;
this.tmpy=e.Y;
this.MouseMove+=newSystem.Windows.Forms.MouseEventHandler(this.form1_MouseMove);
}
privatevoidForm1_MouseUp(objectsender,System.Windows.Forms.MouseEventArgse)
{
this.MouseMove-=newSystem.Windows.Forms.MouseEventHandler(this.form1_MouseMove);
System.Drawing.RectanglepictureBox1Rect=Screen.GetWorkingArea(pictureBox1);
for(inti=0;i<ScreensRect.Length;i++)
{
if(ScreensRect[i].X==pictureBox1Rect.X&&ScreensRect[i].Y==pictureBox1Rect.Y)
this.Location=newPoint(ScreensRect[i].X,pictureBox1Rect.Y);
}
//MessageBox.Show("WorkingArea:"+re.ToString());
}
privatevoidform1_MouseMove(objectsender,MouseEventArgse)
{
this.Location=newSystem.Drawing.Point(this.Location.X+e.X-this.tmpx,this.Location.Y+e.Y-this.tmpy);
}
privatevoidForm1_Load(objectsender,System.EventArgse)
{
Screen[]s=Screen.AllScreens;
ScreensRect=newRectangle[s.Length];
for(inti=0;i<s.Length;i++)
{
ScreensRect[i]=s[i].WorkingArea;
}
}
}
}