ColumnCollection Class

Collection of column information related to a «see T:WixToolset.Dtf.WindowsInstaller.TableInfo» or «see T:WixToolset.Dtf.WindowsInstaller.View» .

Methods

Method	Description
Add(item)	Not supported because the collection is read-only.
Clear()	Not supported because the collection is read-only.
Contains(columnName)	Checks if a column with a given name exists in the collection.
CopyTo(array, arrayIndex)	Copies the columns from this collection into an array.
GetEnumerator()	Gets an enumerator over the columns in the collection.
IndexOf(columnName)	Gets the index of a column within the collection.

Properties

Property	Description
Count	Gets the number of columns in the collection.
FormatString	Gets a string suitable for printing all the values of a record containing these columns.
IsReadOnly	Gets a boolean value indicating whether the collection is read-only. A ColumnCollection is read-only if it is associated with a «see T:WixToolset.Dtf.WindowsInstaller.View» or a read-only «see T:WixToolset.Dtf.WindowsInstaller.Database» .
Item	Gets information about a specific column in the collection.
Item	Gets information about a specific column in the collection.

WixToolset.Dtf.WindowsInstaller.dll version 5.0.0+41e11442b2ca93e444b60213b5ae99dcbab787d8

Add(item) Method

Not supported because the collection is read-only.

Declaration

public void Add(
  ColumnInfo item
)

Parameters

Parameter	Type	Description
item	ColumnInfo	information about the column being added

Exceptions

Exception	Description
T:System.InvalidOperationException	the collection is read-only

Clear() Method

Not supported because the collection is read-only.

Declaration

public void Clear()

Exceptions

Exception	Description
T:System.InvalidOperationException	the collection is read-only

Contains(columnName) Method

Checks if a column with a given name exists in the collection.

Declaration

public bool Contains(
  string columnName
)

Parameters

Parameter	Type	Description
columnName	string	case-sensitive name of the column to look for

Return value

bool true if the column exists in the collection, false otherwise

CopyTo(array, arrayIndex) Method

Copies the columns from this collection into an array.

Declaration

public void CopyTo(
  ColumnInfo[] array,
  int arrayIndex
)

Parameters

Parameter	Type	Description
array	ColumnInfo[]	destination array to be filed
arrayIndex	int	offset into the destination array where copying begins

GetEnumerator() Method

Gets an enumerator over the columns in the collection.

Declaration

public IEnumerator<WixToolset.Dtf.WindowsInstaller.ColumnInfo> GetEnumerator()

Return value

IEnumerator<WixToolset.Dtf.WindowsInstaller.ColumnInfo> An enumerator of ColumnInfo objects.

IndexOf(columnName) Method

Gets the index of a column within the collection.

Declaration

public int IndexOf(
  string columnName
)

Parameters

Parameter	Type	Description
columnName	string	case-sensitive name of the column to look for

Return value

int 0-based index of the column, or -1 if not found

Count Property

Gets the number of columns in the collection.

Declaration

public int Count { get; set; } 

FormatString Property

Gets a string suitable for printing all the values of a record containing these columns.

Declaration

public string FormatString { get; set; } 

IsReadOnly Property

Gets a boolean value indicating whether the collection is read-only. A ColumnCollection is read-only if it is associated with a «see T:WixToolset.Dtf.WindowsInstaller.View» or a read-only «see T:WixToolset.Dtf.WindowsInstaller.Database» .

Declaration

public bool IsReadOnly { get; set; } 

Item Property

Gets information about a specific column in the collection.

Declaration

public ColumnInfo Item[
  int columnIndex
] { get; set; } 

Parameters

Parameter	Type	Description
columnIndex	int	1-based index into the column collection

Exceptions

Exception	Description
T:System.ArgumentOutOfRangeException	is less
than 1 or greater than the number of columns in the collection

Item Property

Gets information about a specific column in the collection.

Declaration

public ColumnInfo Item[
  string columnName
] { get; set; } 

Parameters

Parameter	Type	Description
columnName	string	case-sensitive name of a column collection

Exceptions

Exception	Description
T:System.ArgumentOutOfRangeException	does
not exist in the collection