Initial knowledge of Windows programs

A, B (rowser)/S (erver): Browser / server '

HTTP:hypertext Transfer Protocol

II, C (lient)/S (erver): Client / server

TCP/IP; UDP/IP:

IP :Internet Protocol

TCP:Transfer Control Protocol

UDP:User Datagram Protocol

Part Three: Separating code from a class

Iv. Form Properties:

Text: Title,icon: icons,BackColor: Background color,

Size/maximumsize/minimumsize: The size of the form, the maximum size of the form, the minimum size of the form

startposition: set the start position of the form Centerscreen ( Center of Screen )

WindowState: set the startup size of a form MaximumSize ( start maximized )

ControlBox: Disabled -(minimized)-(maximized) x (off)

MinimizeBox: Disabled -(minimized)

MaximizeBox: Disabled -(maximized)

Naming prefixes:

V. Form Controls FRM

Label: Label LBL

TextBox: text box txt

TextBox: Password box txt set PasswordChar property value for text box :*...

TextBox: Text field txt set MultiLine property value for text box :True

button: btn

RadioButton: radio button RB

CheckBox: Check button CB

ComboBox: drop-down list box CMB items(Add fixed list item)

ListView: List view LV items(add list item),view(various different views)

DataGridView: Data grid view DGV DataSource(data source)

Six, pop window:MessageBox

MessageBox.Show ( message content , Message title , type of button , type of icon )

MessageBoxButtons MessageBoxIcon

OK,okcancel error,information,question

return DialogResult

Ok,cancel

Vii. Methods of the form

the display of the form: Show ();

forms are hidden: Hide ();

closing of the form: Close ();

Viii. transfer values between forms

Passing values through attributes

First, the way the form is displayed:

The Form Object . Show (); Infinite number of times

The Form Object . ShowDialog (); Only one time

Second, the control

Translation control name naming prefix

Menu bar MenuStrip ms Test Centers

menu item ToolStripMenuItem Tsmi

Toolbar ToolStrip TS

toolbar button ToolStripButton TSB

Horizontal alignment: Alignment (Left,right)

display mode: Displaystyle (ImageAndText,Image)

Photo: Image ( image from resource file properties->resources.resx)

position relationship of picture and text: Textimagerelation (Imagebeforetext, Imageabovetext)

Third, shortcut keys for menu items: (after the name of the menu (& Letters ))

Menu shortcut keys F, menu item shortcut keys O, shortcut key combination:alt+f+o

Iv. exit the entire application:C #:application.exit (); Logicjava:system.exit (0);

Show Form: Form Object . Show (); /ShowDialog ();

Close form: Form Object . Close ();

Hide Form: Form Object . Hide ();

Five, anchor Anchor (top,right,bottom,left) function: Lock control and form, right, bottom, left distance

Dock Dock (Top,right,bottom,left,fill) feature: Let the edge of the control stick to the top, right, bottom, left, or four edges of the form.

Vii. Setting up an Mdi form: Change the value of the form's ismdicontainer property to:true

to use a form as The child form of the Mdi form is displayed, and the MdiParent property of the subform object must be set to

Mdi form ( mdifrom.mdiparent = this). (Mdi child forms can be displayed only with show (), not with

ShowDialog ())

Viii. set up a subform list:

Set the menu bar ( MenuStrip) The mdiwindowlistitem property is a menu item (toolmenustripitem).

called Mdi form layoutmdi (mdilayout ml) (Cascade Cascade , Tilehorizontal horizontally tiled , tilevertical Tile vertically )

Nine, text control gets focus: Text control object . Focus ();

Drop -down list box: Select the text content property: Text

Select content index ( set / take ) : SelectedIndex , from 0 start certificate, no index selected as -1

properties that are expanded by the drop-down list: Droppeddown, a value of bool,true to open the drop-down list

settings can only be written without editing properties: DropDownStyle, with a value of DropDownList

Dynamic to Add list item in ComboBox: Drop-down list object . Items.Add (string txt);

Prevent duplicate additions: drop-down list objects .  Items.clear (); Clear All list items

read-only properties for text boxes: ReadOnly (True/false)

Initial knowledge of Windows programs