C # modified (VB.net) analog clock

Source: Internet
Author: User

Clockcontrol. CS

Using system;
Using system. Windows. forms;
Using system. drawing;
Using system. Drawing. drawing2d;
Namespace clocktime
{
/// <Summary>
/// Summary of clockcontrol.
/// </Summary>
Public class clockcontrol: system. Windows. Forms. usercontrol

{
Private datetime DT;

Public clockcontrol ()
{
//
// Todo: add the constructor logic here
//
This. resizeredraw = true;
This. Enabled = false;

}
Public datetime time
{
Set
{
Graphics grfx = This. creategraphics ();
Pen Pn = new pen (this. backcolor );
Initializecoordinates (grfx );
If (Dt. Hour! = Value. hour)
{
Drawhourhand (grfx, PN );
}
If (Dt. Minute! = Value. Minute)
{
Drawhourhand (grfx, PN );
Drawminutehand (grfx, PN );
 
}
If (Dt. Second! = Value. Second)
{
Drawminutehand (grfx, PN );
Drawsecondhand (grfx, PN );
}
If (Dt. millisecond! = Value. millisecond)
{
Drawsecondhand (grfx, PN );
}
Dt = value;
Pn = new pen (forecolor );
Drawhourhand (grfx, PN );
Drawminutehand (grfx, PN );
Drawsecondhand (grfx, PN );
Grfx. Dispose ();
}
Get
{Return DT;
}
}
Protected override void onpaint (painteventargs E)
{
Graphics grfx = E. graphics;
Pen Pn = new pen (forecolor );
Solidbrush BR = new solidbrush (forecolor );
Initializecoordinates (grfx );
Drawdots (grfx, Br );
Drawhourhand (grfx, PN );
Drawsecondhand (grfx, PN );
Drawminutehand (grfx, PN );
}
Protected virtual void initializecoordinates (Graphics grfx)
{
If (this. width = 0 | this. Height = 0) return;
Grfx. translatetransform (this. width/2, this. Height/2 );
Single finches = math. Min (this. width/grfx. dpix, this. Height/grfx. dpiy );
Grfx. scaletransform (finches * grfx. dpix/2000, finches * grfx. dpiy/2000 );

}
Protected virtual void drawdots (Graphics grfx, brush BR)
{
Int I, isize;
For (I = 0; I <= 59; I ++)
{
If (I % 5 = 0)
{
Isize = 100;
}
Else
Isize = 30;
Grfx. fillellipse (BR, 0-isize/2,-900-isize/2, isize, isize );
Grfx. rotatetransform (6 );

}
}
Protected virtual void drawhourhand (Graphics grfx, pen PN)
{
Graphicsstate GS = grfx. Save ();
Grfx. rotatetransform (360.0f * time. hour/12 + 30366f * time. Minute/60 );
Grfx. drawpolygon (Pn, new point [] {New Point (0,150), new point (600), new point (0,-), new point )});
Grfx. Restore (GS );
}
Protected virtual void drawminutehand (Graphics grfx, pen PN)
{
Graphicsstate GS = grfx. Save ();
Grfx. rotatetransform (360.0f * time. Minute/60 + 6.0f * time. Second/60 );
Grfx. drawpolygon (Pn, new point [] {New Point (0,200), new point (50,0), new point (0,-800), new point (-50,0 )});
Grfx. Restore (GS );
}
Protected virtual void drawsecondhand (Graphics grfx, pen PN)
{
Graphicsstate GS = grfx. Save ();
Grfx. rotatetransform (360.0f * time. Second/60 + 6.0f * time. millisecond/1000 );
Grfx. drawline (Pn, 800, 0 );
Grfx. Restore (GS );

}
}
}

Form1.cs

Using system;
Using system. drawing;
Using system. collections;
Using system. componentmodel;
Using system. Windows. forms;
Using system. Data;
Using clocktime;

Namespace clocktime
{
/// <Summary>
/// Summary of form1.
/// </Summary>
Public class form1: system. Windows. Forms. Form
{
Private system. componentmodel. icontainer components;
Private system. Windows. Forms. Timer TMR;
Private clocktime. clockcontrol clkctrl;
Public form1 ()
{
//
// Required for Windows Form Designer support
//
Initializecomponent ();

//
// Todo: add Any constructor code after initializecomponent calls
//
}

/// <Summary>
/// Clear all resources in use.
/// </Summary>
Protected override void dispose (bool disposing)
{
If (disposing)
{
If (components! = NULL)
{
Components. Dispose ();
}
}
Base. Dispose (disposing );
}

# Region code generated by Windows Form Designer
/// <Summary>
/// The designer supports the required methods-do not use the code editor to modify
/// Content of this method.
/// </Summary>
Private void initializecomponent ()
{
This. components = new system. componentmodel. Container ();
This. clkctrl = new clocktime. clockcontrol ();
This. TMR = new system. Windows. Forms. Timer (this. components );
This. suspendlayout ();
//
// Clkctrl
//
This. clkctrl. backcolor = system. Drawing. color. Black;
This. clkctrl. Dock = system. Windows. Forms. dockstyle. Fill;
This. clkctrl. Enabled = false;
This. clkctrl. forecolor = system. Drawing. color. White;
This. clkctrl. Location = new system. Drawing. Point (0, 0 );
This. clkctrl. Name = "clkctrl ";
This. clkctrl. size = new system. Drawing. Size (292,273 );
This. clkctrl. tabindex = 0;
This. clkctrl. Time = new system. datetime (2005, 6, 24, 10, 19, 26, 62 );
//
// TMR
//
This. TMr. Enabled = true;
This. TMr. interval = 1000;
This. TMr. Tick + = new system. eventhandler (this. tmr_tick );
//
// Form1
//
This. autoscalebasesize = new system. Drawing. Size (6, 14 );
This. backcolor = system. Drawing. systemcolors. window;
This. clientsize = new system. Drawing. Size (292,273 );
This. Controls. Add (this. clkctrl );
This. forecolor = system. Drawing. systemcolors. windowtext;
This. Name = "form1 ";
This. Text = "clockcontrol ";
This. resumelayout (false );

}
# Endregion

/// <Summary>
/// Main entry point of the application.
/// </Summary>
[Stathread]
Static void main ()
{

Application. Run (New form1 ());
}

Private void tmr_tick (Object sender, eventargs E)
{

Clkctrl. Time = datetime. now;
}
}
}

Compilation process:

CSC/T: Library clockcontrol. CS

CSC/T: winexe/R: clockcontrol. dll form1.cs

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.