TIBCO Adapter SDK C++ Reference
MData::Mboolean
MData
Allows an implicit conversion from MData to MBoolean. Applications do not usually call this method directly; the SDK calls it internally each time a variable that is of one of the MData subclass types is called. As a result, the conversion from MData subclass types to regular C types is seamless.
Remarks
Adapters do not generally have to explicitly call these methods. They are documented here so you can see what implicit conversion you should expect.
Examples
MBool mbool(Mfalse);           //mbool is type MBool
Mboolean bMismatch = mbool;    // implicit conversion to Mboolean
Exceptions
MException when there is a data type mismatch.

Declaration
operator Mboolean() const throw(MException);
Links
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