Transcript Bai1_Basic_Controls

WinForms – Basic Controls
1
Objectives
 Overview Window Form and
basic Control
 Form class
 Type of Control
 Basic Control
 Summary
2
Windows Form
3
WinForms and .NET Framework
4
Features
Create App with leats operation
Store global data to reused
anywhere
ToolStrip,MenuStrip ….
Powerfull way to link control with
data source ( BindingSource
component)
GDI+ : drawing and painting
image on forms
5
Form : basic unit of Application
6
Form : property & method
7
Events
8
Life cycle of a form
Event
• Activated
• Click
• Deactivated
• FormClosed
• FormClosing
• GotFocus
• Load
• Resize
9
Use of Controls
Control class
Base class of all
controls
available in
WinForms
10
Control Class – Properties-Method
Properties
 canFocus
 Controls
 Enable
 Name
 Parent
 TabIndex
 Visible
Method
•
•
•
•
•
•
Focus
getNextControl
Hide
IsMNemonic
Select
Show
Event
•
•
•
•
•
•
•
•
•
•
Click
ControlAdd
DoubleClick
Validating
Validated
KeyPress
Leave
LostFocus
MouseClick
Move
11
Common Controls
12
Label class : Property – Method- Event
Properties
 Name
 Text
 TextAlign
 UseMnemonic
Method
• Contains
• Hide
• Show
Event
• Click
Label fname = new Label();
fname.Text = “&First Name : “;
fname.UseMnemonic = true ;
13
TextBox & MaskedTextBox
14
TextBox class : Property – Method- Event
Properties
 CharacterCasing
 MaxLength
 MultiLine
 Name
 PasswordChar
 ReadOnly
 Text
Method
•
•
•
•
•
AppendText
Clear
Focus
Copy
Paste
Event
• KeyPress
• Leave
• TextChanged
15
MaskedTextBox class :
Property – Method- Event
Properties
 Mask
 MaskFull
 MaskCompleted
 Name
 PromptChar
 Text
Method
• GetPositionFr
omCharIndex
• IsKeyLock
• SelectAll
Event
• MaskChanged
• MaskedInputR
ejected
MaskedTextBox mks = new MaskedTextBox();
mks.Mask = “00000-9999”;
mks.Text = “095204-7763”;
if(!mks.MaskFull)
{
MessageBox.Show(“Enter proper code …”);
}
16
Mask
17
Button class :
Property – Method- Event
Properties
Method
 DialogResult
• Focus
 Enabled
• PerformClick
 FlatStyle
 Image
 Name
Button cmdOK = new Button();
cmdOK .Text = “OK” ;
 Text
Event
• Click
• DoubleClick
• MouseDoubleClick
cmdOK.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
18
ListBox & ComboBox
ListBox : select
multivalue ( 1..N)
ComboBox : select
one value at a time
19
ListBox class : Property – Method- Event
Properties
 DisplayMember
 Items
 SelectionMode
 SelectedIndex
Method
•
•
•
•
ClearSelected
GetItemText
GetSelected
SetSelected
Event
• SelectedIndex
Changed
• SelectedValue
Changed
• ValueMember
Changed
20
ComboBox class :
Property – Method- Event
Properties
Method
 DropDownStyle • GetItemText
• SelectAll
 Items
 MaxDropDownIt • Select ( int start
, int length)
em
 SelectedItem
 SelectedIndex
 Text
 ValueMember
Event
• DropDown
• SelectedIndex
Changed
• SelectedValue
Changed
• ValueMember
Changed
21
LinkLabel Control
Display a Hyperlink that
link to a Web Page or
another Window Form
Properties : ActiveLinkColor
, Links , LinkColor ,
LinkVisited, Text ,
VisitedLinkColor
Method : Select
Event : LinkClicked
22
Summary – WorkShop Activities
 What is WinForm ?
 Focus on Control
 TextBox , ListBox , ComBoBox ….
23
Grouping Controls
 Value Setting ControlForm class
 RadioButton
 CheckBox
 CheckListBox
 Grouping Controls
 GroupBox
 Panel
 Images Control
 PictureBox
 ImageList
 Summary
24
RadioButton Class – PropertiesMethod
Properties
Method
 Appearance
 AutoCheck
 Checked
 Image
• PerformClick
• Select
• Show
Event
• CheckedChanged
• Click
25
CheckBox class : Property – Method- Event
Properties
 Checked
 CheckState
 ThreeState
Method
• Select
• Show
Event
• CheckedChanged
• CheckStateChange
• Click
26
CheckedListBox class :
Property – Method- Event
Properties







CheckedIndices
CheckedItems
CheckOnClick
Items
SelectedValue
SelectedItems
SelectedItem
Method
•
•
•
•
•
•
ClearSelected
GetItemChecked
GetItemCheckState
GetItemText
SetItemChecked
SetItemCheckState
Event
• ItemCheck
• MouseClick
• SelectedIndexCh
anged
• SelectedValueCh
anged
27
Grouping Control
 Panel
 Contains other
Control
 GroupBox
 As Panel but appear
as Frame around
Control
28
Panel class : Property – Method- Event
Properties
Method
 AutoSize
• Select
 AutoSizeMode • Show
 BorderStyle
Event
• StyleChanged
• VisibleChanged
29
GroupBox : Property – Method- Event
Properties
 AutoSize
 Anchor
 FlatStyle
Method
• Hide
• Show
Event
• StyleChanged
• Resize
30
Graphic Controls
 PictureBox
 Display image on the
Form ( .bmp ,.jpg ..)
 Can hold sigle image
at a time
 ImageList
 Store collection of
images
31
PictureBox : Property – Method- Event
Properties
 Image
 ErrorImage
 InitialImage
 SizeMode
Method
• Load
• LoadAsync
Event
• Click
• Leave
• LoadCompleted
32
ImageList: Property – Method- Event
Properties
 Images
 ColorDepth
 ImageSize
 Name
Method
• Draw
Event
• RecreateHandle
33
SplitContainer
 Divide the form
into two resizable
panels
 As Window
Explorer
•
Properties
•BorderStyle
• FixedPanel
• IsSplitterFixed
• Panel1
• Panel2
• Orientation
Method
•OnSplitterMoved
• OnSplitterMoving
•
Event
•SplitterMoved
• SplitterMoving
• Click
34
Summary – WorkShop Activities
35