Marshal.SetComObjectData(Object, Object, Object) Method    
Definition
Important
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Sets data referenced by the specified key in the specified COM object.
public:
 static bool SetComObjectData(System::Object ^ obj, System::Object ^ key, System::Object ^ data);
	[System.Runtime.Versioning.SupportedOSPlatform("windows")]
public static bool SetComObjectData(object obj, object key, object? data);
	public static bool SetComObjectData(object obj, object key, object data);
	public static bool SetComObjectData(object obj, object key, object? data);
	[System.Security.SecurityCritical]
public static bool SetComObjectData(object obj, object key, object data);
	[<System.Runtime.Versioning.SupportedOSPlatform("windows")>]
static member SetComObjectData : obj * obj * obj -> bool
	static member SetComObjectData : obj * obj * obj -> bool
	[<System.Security.SecurityCritical>]
static member SetComObjectData : obj * obj * obj -> bool
	Public Shared Function SetComObjectData (obj As Object, key As Object, data As Object) As Boolean
	Parameters
- obj
 - Object
 
The COM object in which to store the data.
- key
 - Object
 
The key in the internal hash table of the COM object in which to store the data.
- data
 - Object
 
The data to set.
Returns
true if the data was set successfully; otherwise, false.
- Attributes
 
Exceptions
Remarks
All COM objects wrapped in a Runtime Callable Wrapper (RCW) have an associated hash table, to which SetComObjectData adds data. Marshal.GetComObjectData retrieves data from the hash table. You should never have to call either method from your code.