Active X

1
Active X Mouse Events
2
Structured Graphics Control

• Included in Internet Explorer v5.0
• Add to page with the OBJECT tag
• Accessible via scripting
• Primarily for visual presentation not for
  displaying data or content

3
Netscape

• Does not work in Netscape
• You get a JavaScript error and a blank page
• Yet another reason to avoid Netscape

4
Mouse Events

• Structured Graphics control can process the DHTML
  mouse events

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Mouse Events -2

• ONMOUSEUP
• ONMOUSEDOWN
• ONMOUSEMOVE
• ONMOUSEOVER
• ONMOUSEOUT
• ONCLICK
• ONDBLCLICK

6
Example

• bounce2.html (Fig 30.6 pg 1021)

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Points to Ponder

• You must set Structured Graphics Control to
  capture mouse events
• Inside OBJECT tag
• ltPARAM NAME MouseEventEnabled VALUE 1gt

8
External Files

• Use set of method call in separate source file
  and invoke by calling
• ltSCRIPT FORball EVENTONCLICK
  LANGUAGEJavaScriptgt ball.SourceURL
  newoval.txt
• lt/SCRIPTgt

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Example Script

• newoval.txt

10
Scaling Example

• Scaling Example

11
Further Exploration

• www.microsoft.com/directx/dxm/help/da/default.htm

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Questions (True or False)

1. Active X works in Netscape.
2. You must explicitly enable mouse events in Active
   X for them to work.
3. All Active X code must be located inside the
   page.
4. Structured Graphics Control is primarily for
   displaying data and tables.
5. Names in the ltPARAMgt may be user defined and in
   any order.