Language Reference Guide : System Classes : MenuField Class : CurBias Attribute
 
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CurBias Attribute
Data Type: smallint
4GL Access: RW
The CurBias attribute specifies the field's current bias setting.
The default bias for the menu field depends on the field's type. You can set this attribute to change the bias for an individual field.
When you set the CurBias attribute, OpenROAD automatically sets the menu field's mode/bias attribute that corresponds to the current frame mode to match the CurBias setting. For example, if the frame has a CurMode setting of FM_UPDATE and you set the CurBias of a menu field to MB_DISABLED, OpenROAD automatically sets the UpdateBias attribute for the menu field to MB_DISABLED.
Valid values are the same as for the AllBias Attribute.