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ADO Open Method

Stream Object Reference

Complete Stream Object Reference

The Open method is used to open a Stream object.

Syntax

objStream.Open source,mode,opt,username,psword

Parameter	Description
source	Optional. The data source for the Stream object (a URL that points to an existing node in a tree structure, like an e-mail or file system or a reference to an already opened Record object). If source is not specified, a new Stream object, with a size of zero, will be created and opened
mode	Optional. A ConnectModeEnum value that specifies the access mode for a Stream object. Default is adModeUnknown
opt	Optional. A StreamOpenOptionsEnum value that specifies options for opening a Stream object. Default is adOpenStreamUnspecified
username	Optional. A name of a user who can access the Stream object. If Source is an already opened Record, this parameter is not specified
psword	Optional. A password that validates the username. If Source is an already opened Record, this parameter is not specified

ConnectModeEnum Values

Constant	Value	Description
adModeUnknown	0	Default. Permissions have not been set or cannot be determined
adModeRead	1	Read-only
adModeWrite	2	Write-only
adModeReadWrite	3	Read/write
adModeShareDenyRead	4	Prevents others from opening a connection with read permissions
adModeShareDenyWrite	8	Prevents others from opening a connection with write permissions
adModeShareExclusive	12	Prevents others from opening a connection
adModeShareDenyNone	16	Allows others to open a connection with any permissions
adModeRecursive	0x400000	Used with adModeShareDenyNone, adModeShareDenyWrite, or adModeShareDenyRead to set permissions on all sub-records of the current Record

StreamOpenOptionsEnum Values

Constant	Value	Description
adOpenStreamUnspecified	-1	Default. Opens the Stream object with default options
adOpenStreamAsync	1	Opens the Stream object in asynchronous mode
adOpenStreamFromRecord	4	Identifies the contents of the Source parameter to be an already open Record object. The default behavior is to treat Source as a URL that points directly to a node in a tree structure. The default stream associated with that node is opened.

Stream Object Reference

Complete Stream Object Reference

COLOR PICKER

colorpicker

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