原創|使用教程|編輯:黃竹雯|2017-11-29 13:44:36.000|閱讀 412 次
概述:本文為你介紹Dynamic Web TWAIN中屬性/方法/事件的具體操作代碼,歡迎收藏。
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相關鏈接:
/* Property */ /* Scan pages in 200 DPI */ DWObject.Resolution = 200;
// Method /// <summary> /// Rotates the image of a specified index in buffer by a specified angle. /// </summary> /// <param name="sImageIndex" type="short"> specifies the index of image in buffer. The index is 0-based. </param> /// <param name="fAngle" type="float"> specifies the angle. /// <param name="bKeepSize" type="bool"> specifies whether to keep the original size /// <returns type="bool"></returns> DWObject.Rotate(0, 45, false); // rotate the 1st image in the buffer by 45 degrees
<script type="text/javascript">
Dynamsoft.WebTwainEnv.RegisterEvent('OnWebTwainReady', Dynamsoft_OnReady);
var DWObject;
/* OnWebTwainReady event fires as soon as Dynamic Web TWAIN is initialized and ready to be used. It is the best place to add event listeners */
function Dynamsoft_OnReady() {
DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer');
DWObject.RegisterEvent("OnPostTransfer", Dynamsoft_OnPostTransfer);
}
function Dynamsoft_OnPostTransfer() {
/* This event OnPostTransfer will be triggered after a transfer ends. */
/* your code goes here*/
}
</script>
<script type="text/javascript">
Dynamsoft.WebTwainEnv.RegisterEvent('OnWebTwainReady', Dynamsoft_OnReady);
var DWObject;
function Dynamsoft_OnReady() {
DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer');
DWObject.RegisterEvent("OnPostTransfer", function() {
/* your code goes here*/
});
}
</script>
/* sImageIndex is the index of the image you clicked on*/ OnMouseClick(short sImageIndex)
function DynamicWebTwain_OnMouseClick(index) {
CurrentImage.value = index + 1;
}
DWObject.RegisterEvent("OnPostTransfer", function(index) {
CurrentImage.value = index + 1;
});
<script type="text/javascript">
Dynamsoft.WebTwainEnv.RegisterEvent('OnWebTwainReady', Dynamsoft_OnReady);
var DWObject;
function Dynamsoft_OnReady() {
DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer');
}
</script>
<script type="text/javascript">
Dynamsoft.WebTwainEnv.RegisterEvent('OnWebTwainReady', function() {
DWObject = Dynamsoft.WebTwainEnv.GetWebTwain('dwtcontrolContainer');
});
</script>
本次教程到此結束,希望能對Dynamic Web TWAIN的用戶帶來幫助,接下來還會有更多的相關教程,敬請期待!
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