Block
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
Each code block is identified by a SymTagBlock symbol. Block symbols are used to identify nested scopes within functions.
Properties
The following table shows the properties that are valid for this symbol type.
| Property | Data type | Description |
|---|---|---|
| IDiaSymbol::get_addressOffset | DWORD |
Offset part of location; for details, see the LocationType Enumeration. |
| IDiaSymbol::get_addressSection | DWORD |
Section part of location; for details, see the LocationType Enumeration. |
| IDiaSymbol::get_length | ULONGLONG |
Number of bytes of code in the block. |
| IDiaSymbol::get_lexicalParent | IDiaSymbol* |
Symbol of the enclosing block or function. |
| IDiaSymbol::get_lexicalParentId | DWORD |
Returns the ID of the lexical parent symbol. |
| IDiaSymbol::get_locationType | DWORD |
Blocks have static locations; for details, see Symbol Locations. |
| IDiaSymbol::get_name | BSTR |
Returns the name of the block (which is usually an empty string). |
| IDiaSymbol::get_relativeVirtualAddress | DWORD |
Returns the virtual address of this block relative to its lexical parent. |
| IDiaSymbol::get_symIndexId | DWORD |
Index ID of symbol. |
| IDiaSymbol::get_symTag | DWORD |
Returns SymTagBlock (one of the SymTagEnum Enumeration values). |
| IDiaSymbol::get_virtualAddress | ULONGLONG |
Returns the virtual address of this block within the executable. |