ILGenerator.MarkSequencePoint Method

Marks a sequence point in the Microsoft intermediate language (MSIL) stream.

Namespace:  System.Reflection.Emit
Assembly:  mscorlib (in mscorlib.dll)

public virtual void MarkSequencePoint(
	ISymbolDocumentWriter document,
	int startLine,
	int startColumn,
	int endLine,
	int endColumn
)

Parameters

document
Type: System.Diagnostics.SymbolStore.ISymbolDocumentWriter
The document for which the sequence point is being defined.
startLine
Type: System.Int32
The line where the sequence point begins.
startColumn
Type: System.Int32
The column in the line where the sequence point begins.
endLine
Type: System.Int32
The line where the sequence point ends.
endColumn
Type: System.Int32
The column in the line where the sequence point ends.

ExceptionCondition
ArgumentOutOfRangeException

startLine or endLine is <= 0.

NotSupportedException

This ILGenerator belongs to a DynamicMethod.

Line numbers are indexed from 1. Columns are indexed from 0.

The symbolic information normally includes at least one MSIL offset for each source line. When the just-in-time (JIT) compiler is about to compile a method, it asks the profiling services for a list of MSIL offsets that should be preserved. These MSIL offsets are called sequence points.

If the current ILGenerator is associated with a DynamicMethod object, it does not support symbolic information.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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