Control Handling Windows Form

Next : Change Property value at Run Time

Control Handling Windows Form

Common Properties for all the controls:

The following properties commonly available for all the controls:

Common Properties

Property	Description
Name	Specifies the name of the control.
Text	Specifies the displayable text of the control.
BackColor	Specifies the background color of the control.
ForeColor	Specifies the foreground color of the control.
Font	Specifies the font style of the control‘s text.
Enabled	Enables / Disables the control.
Visible	Displays / Hides the control.
Cursor	Specifies the mouse pointer style, when the mouse is over on the control at run time.
Runtime
Size	Specifies the Width and Height of the control.
Location	Specifies the X and Y co-ordinations of the control‘s position on the form.
TextAlign	Specifies the position of the text in the control.
Image	Specifies the image that is to be displayed in the control along with the text.
ImageAlign	Specifies the position of the image in the control
TabIndex	Specifies the index of the control in the tab order.
ContentMenuStrip	Contains the reference of the respective context menu control.

COMMON EVENTS FOR ALL THE CONTROLS:

The following events commonly available for all the controls:

COMMON EVENTS

Event	Description
Click	Executes when the user clicks the control run time.
DoubleClick	Executes when the user double-clicks the control at run time.
MouseMove	Executes when the mouse pointer is moves across the control.
MouseEnter	Executes when the mouse pointer is focused on to the control.
MouseLeave	Executes when the mouse pointer is out of the control.
KeyPress	Executes when any key is pressed on the keyboard, while the focus is on the control.
Enter	Executes when the focus is entered into the control.
Leave	Executes when the focus got out of the control.

Event: An event is a run time action that can be performed by the user.
Let us practice the above properties and events on the button control.

Demo on Buttons

• Take a new Windows Forms Application project.
• Design the form as follows:
• To design the form as above set the following properties

• Double click on Button1 and Write the following code:

private void button1_Click(object sender, EventArgs e)
{
      DateTime dt = DateTime.Now;
      MessageBox.Show(dt.ToString());
}

• Double click on Button2 and Write the following code:

private void button2_Click(object sender, EventArgs e)
{
   Random r = new Random();
   int n = r.Next(1, 500);
   MessageBox.Show(n.ToString());
}

• Double click on Button3 and Write the following code:

private void button3_Click(object sender, EventArgs e)
{
   MessageBox.Show("Bye....");
  Application.Exit();
} 

Next : Change Property value at Run Time