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<< 点击显示目录 >> 主页 PVI通信 > PVI帮助信息 > PVI Services > BR.AN.Namespace > BR.AN.PviServices > Variable Class > Variable Methods > ReadValue Method > Variable.ReadValue(Boolean) Method |
Call this member to read the value of this instance. If synchronous == TRUE the method will not return until the value is read.
[Visual Basic]
Public Overloads Sub ReadValue( _
ByVal synchronous As Boolean _
)
[C#]
public int ReadValue(
bool synchronous
);
synchronous
If set to TRUE will cause the method to wait for the result. The Value property is updated when the function returns. If set to false, the method will simply initiate a read request. The result will be reported in the Event ValueRead.
0 if the read was successful else an error code.
Variable Class | BR.AN.PviServices Namespace | Variable.ReadValue Overload List
Generated from assembly BR.AN.PviServices [8.1.0.4]