IToolboxUser.GetToolSupported(ToolboxItem) Metoda

Definice

Obor názvů:

System.Drawing.Design

Sestavení:

System.Windows.Forms.Design.dll

Zdroj:

IToolboxUser.cs

Získá hodnotu určující, zda zadaný nástroj je podporován aktuálním návrhářem.

public:
 bool GetToolSupported(System::Drawing::Design::ToolboxItem ^ tool);

public bool GetToolSupported(System.Drawing.Design.ToolboxItem tool);

abstract member GetToolSupported : System.Drawing.Design.ToolboxItem -> bool

Public Function GetToolSupported (tool As ToolboxItem) As Boolean

Parametry

tool

ToolboxItem

Testovaný ToolboxItem pro podporu panelu nástrojů.

Návraty

Boolean

true je-li nástroj podporován panelem nástrojů a lze jej povolit; false pokud návrhář dokumentů neví, jak nástroj používat.

Příklady

Následující příklad kódu ukazuje implementaci GetToolSupported metody.

// This method can signal whether to enable or disable the specified
// ToolboxItem when the component associated with this designer is selected.
bool IToolboxUser::GetToolSupported( ToolboxItem^ tool )
{
   
   // Search the blocked type names array for the type name of the tool
   // for which support for is being tested. Return false to indicate the
   // tool should be disabled when the associated component is selected.
   for ( int i = 0; i < blockedTypeNames->Length; i++ )
      if ( tool->TypeName == blockedTypeNames[ i ] )
               return false;

   
   // Return true to indicate support for the tool, if the type name of the
   // tool is not located in the blockedTypeNames string array.
   return true;
}

// This method can signal whether to enable or disable the specified
// ToolboxItem when the component associated with this designer is selected.
bool IToolboxUser.GetToolSupported(ToolboxItem tool)
{
    // Search the blocked type names array for the type name of the tool
    // for which support for is being tested. Return false to indicate the
    // tool should be disabled when the associated component is selected.
    for (int i = 0; i < blockedTypeNames.Length; i++)
    {
        if (tool.TypeName == blockedTypeNames[i])
        {
            return false;
        }
    }

    // Return true to indicate support for the tool, if the type name of the
    // tool is not located in the blockedTypeNames string array.
    return true;
}

' This method can signal whether to enable or disable the specified
' ToolboxItem when the component associated with this designer is selected.
Function GetToolSupported(ByVal tool As ToolboxItem) As Boolean Implements IToolboxUser.GetToolSupported
    ' Search the blocked type names array for the type name of the tool
    ' for which support for is being tested. Return false to indicate the
    ' tool should be disabled when the associated component is selected.
    Dim i As Integer
    For i = 0 To blockedTypeNames.Length - 1
        If tool.TypeName = blockedTypeNames(i) Then
            Return False
        End If
    Next i ' Return true to indicate support for the tool, if the type name of the
    ' tool is not located in the blockedTypeNames string array.
    Return True
End Function

Poznámky

Pokud je zadaný nástroj podporován návrhářem, který implementuje IToolboxUser rozhraní, bude nástroj povolen v sadě nástrojů, když se tento návrhář zaměřuje. Jinak se zakáže. Jakmile je nástroj označený jako povolený nebo zakázaný, nemusí být znovu testován pro podporu stejného návrháře.

Viz také

• ToolboxItem