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Week 10
Chapter 11. Advanced Topics in
Windows Forms
Chapter 12. Enhancing Usability
Chapter 15: Crystal Report
Chapter 11. Advanced Topics
in Windows Forms

11.1 Drag-Drop (P523)

11.2 MDI (P543)
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11.1 Drag-Drop (P523)

Windows users fall into two general
categories:

use the keyboard

use the mouse

Drag and drop: same as cutting and pasting
using keyboard
11.1 Drag-Drop (P523)
Sequence of events

Dragging is initiated (call DoDragDrop for the source )

The DoDragDrop method takes two parameters:


(DataFormats.Text))
e.Effect =
DragDropEffects.Copy;
+DragDrop
TXT2.Text =
(string)e.Data.GetData (
DataFormats.Text);
Drag-Drop: demo: Textbox

Using Textbox

Step1: DragEnter event

Step2: DragDrop event

Step3: MouseDown event
4
Drag-Drop: demo: PictureBox

AllowDrop

DragEnter

DragDrop

KeyState
11.1 Drag-Drop (P523) -
demo: treeview

Example: Drag-Drog in Treeview


Array

ArrayList

List<generic>
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11.2 MDI

parent form/child form model.

Has a single parent form

The parent form organizes and
arranges all of the child documents that
are currently open.
11.2 MDI

What is an MDI Form?

Multiple-document interface (MDI)
applications allow you to display multiple
documents at the same time, with each
document displayed in its own window.
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11.2 MDI

How do I create an MDI Parent form ?

Creating an MDI Parent Form

{}

}

}
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11.2 MDI

Identifying the Active Child Form

Form aForm;

aForm = this.ActiveMDIChild;
11.2 MDI

Arranging MDI Child Forms

this.LayoutMdi(System.Windows.Forms.Mdi
Layout.Cascade);
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11.2 MDI

Window List Menu

MenuStrip component

Set the MdiWindowListItem property to the
menu item
11.2 MDI



The ProgressBar Control

StatusStrip Control

ToolTip Component

ErrorProvider Component

HelpProvider Component
Chapter 12. Using User Assistance
Controls and Components

The ProgressBar Control

Visually indicate progress for a time-
consuming operation.

Maximum, Minimum, Value, Step
progressBar1.Minimum = 0;
progressBar1.Maximum = 100;
progressBar1.Step = 1;
for (int i = 0; i < 101; i++)
{
CopyFiles(i);
progressBar1.PerformStep();
}
11
Chapter 12. Using User Assistance
Controls and Components


Turn on

errorProvider1.SetError(TextBox1, "Value must
be numeric");

Turn off

errorProvider1.SetError(TextBox1, "");
Chapter 15: Report
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Chapter 15: Crystal Report

Crystal Report File

Crystal Report Viewer
Chapter 15: Crystal Report

1. Create Type Dataset

2. Create Crystal Report Template

Menu Project -> Add new item -> Crystal Report

->Using Report Wizard->choose Typed-Dataset-
>…

3. Create CrystalReport Viewer

4. Code to connect objects…