Contains most of the library's functionality, including the
vdrawObj object, that exports many useful
functions that can be used to handle the component.
Syntax
| JScript | |
|---|
public class vdmanager implements IExportAll |
Example
| C# |  Copy Code |
|---|
<html>
<head>
<script type="text/javascript" src="../webControl/vdWebControl.js"></script>
<script type="text/javascript">
var vdcanvas;// keep the vdcanvas control global for quick access inside the functions since it is the only one in the this page
function vdrawInitPageLoad() {//Intiallize theweb control inside this function.It must be called inside onload event of this page
vdmanager.AttachCanvas("canvas");//create a new web control andattch it to the canvas elemement
vdcanvas = vdmanager.vdrawObject();//return a refence to the attached web control
vdcanvas.vdAfterOpenDocument = _vdAfterOpenDocument;//defines the function that will be fire when a web control document loaded.
vdcanvas.vdPrompt = _onprompt;//defines the function that will be fire when a vdcanvas.Prompt is called in order to print the message on this page
vdcanvas.vdError = _vdError;//defines the function that will be fire when an error ocured in order to print the message on this page
}
function printInfo(text) {//print messages in the 'info' element of this page
document.getElementById("info").innerHTML = ":" + text;
}
function _vdError(sender, ErrCategoryId, statusId, info) {
printInfo("Error status code = " + statusId.toString() + ". " + (info ? info : ""));
}
function _onprompt(sender, msg) {
printInfo(msg);
}
function _vdAfterOpenDocument() {//fire when a web control document loaded.
vdcanvas.Prompt("Document opened successfully");
}
function test() {
//select a new document for the web control.
//NOTE: Always a document must be selected to the web control.Else the web control is unusable
vdcanvas.SelectDocument("vddocument.vds");
}
</script>
</head>
<body onload="vdrawInitPageLoad()">
<div><button onclick="test()">Test</button></div>
<div><label id="info">:</label></div>
<div><canvas id="canvas" width="520" height="480">
</canvas></div>
</body>
</html> |
See Also
