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chenzongyuan
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樓主  發(fā)表于: 2014-08-07 17:16
我在操作文檔上看到Mx Component控件函數ReadDeviceBlock(string  szlable,int  isize,int[n]  iData),
可是為什么我調用控件的時(shí)候該函數第三個(gè)參數只能傳入整形變量呢?
我用的是C# .net
yijun8
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1樓  發(fā)表于: 2015-04-01 08:36
ReadDeviceBlock(string  szlable,int  isize,int[n]  iData),

string  szlable:開(kāi)始標示地址,如“D10.A"
int  isize:所要讀取的點(diǎn)(位)數:如16,
int[n]  iData:返回值存儲的位置,注意是數組,那怕是一個(gè),也要定義成組,然后用iData[0].
如:
ReadDeviceBlock(”D10.A“,16, iData[0]);
這樣就可以讀取從D10.A到D11.9的位狀態(tài)了。

希望有幫助。

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