C#分屏控件用法实例
本文实例中的自定义类PictureBox继承于UserControl，最终实现简单的分屏功能。分享给大家供大家参考之用。具体实现代码如下：
publicpartialclassPictureControl:UserControl
{
publiceventMouseEventHandlerPicControl_DoubleClick;
privateintpicNum;
///<summary>
///屏幕个数
///</summary>
publicintPicNum
{
get{returnpicNum;}
set
{
if(value==4||value==6||value==9||value==12||value==16||value==20||value==25)//只能
是4、6、9、12、16、20、25
{
picNum=value;
this.SetPictureBox(this.picNum);
}
else
{
this.PicNum=12;
this.SetPictureBox(this.picNum);
}
}
}
publicPictureControl()
{
this.picNum=4;
InitializeComponent();
this.SetPictureBox(this.picNum);
}
///<summary>
///根据个数布局PictureBox
///</summary>
///<paramname="num"></param>
privatevoidSetPictureBox(intnum)
{
this.Controls.Clear();
Sizesize=this.Size;
switch(num)
{
case4:this.SetPictureBox(2,2,size);break;
case6:this.SetPictureBox(2,3,size);break;
case9:this.SetPictureBox(3,3,size);break;
case12:this.SetPictureBox(3,4,size);break;
case16:this.SetPictureBox(4,4,size);break;
case20:this.SetPictureBox(4,5,size);break;
case25:this.SetPictureBox(5,5,size);break;
}
}
///<summary>
///布局pictureBox
///</summary>
///<paramname="x">几行</param>
///<paramname="y">几列</param>
///<paramname="size">当前控件的大小</param>
privatevoidSetPictureBox(intx,inty,Sizesize)
{
intnum=0;
for(inti=0;i<x;i++)
{
for(intj=0;j<y;j++)
{
PictureBoxpic=newPictureBox();
pic.SizeMode=PictureBoxSizeMode.Zoom;//设置自动缩放
pic.BackColor=Color.White;//设置背景颜色
pic.Location=newPoint((size.Width/y)*j,(size.Height/x)*i);//设置Location
pic.BorderStyle=BorderStyle.FixedSingle;//设置边框
pic.MouseDoubleClick+=newMouseEventHandler(pic_MouseDoubleClick);//订阅控件双击事件
pic.Size=newSize(size.Width/y,size.Height/x);//设置控件大小
pic.Tag=num;//设定控件编号即屏幕序号
this.Controls.Add(pic);//添加
num++;
}
}
}
voidpic_MouseDoubleClick(objectsender,MouseEventArgse)
{
if(this.PicControl_DoubleClick!=null)
{
this.PicControl_DoubleClick(sender,e);//将动态添加的控件的双击事件传向控件体外。
}
}
privatevoidPictureControl_SizeChanged(objectsender,EventArgse)
{
this.SetPictureBox(this.picNum);
}
privatePictureBoxGetPicByIndex(intindex)
{
foreach(Controlcinthis.Controls)
{
if(Convert.ToInt32(c.Tag)==index)
{
return(PictureBox)c;
}
}
PictureBoxp=newPictureBox();
p.Tag=-1;
returnp;
}
///<summary>
///根据屏幕序号设置图像
///</summary>
///<paramname="index">屏幕号</param>
///<paramname="img">图像</param>
publicvoidSetImageByIndex(intindex,Imageimg)
{
GetPicByIndex(index).Image=img;
}
}
希望本文所述实例对大家C#程序设计有所帮助。