IToolboxUser.GetToolSupported(ToolboxItem) Metode

Definisi

Ruang nama:

System.Drawing.Design

Rakitan:

System.Windows.Forms.Design.dll

Mendapatkan nilai yang menunjukkan apakah alat yang ditentukan didukung oleh perancang saat ini.

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

Parameter

tool

ToolboxItem

yang ToolboxItem akan diuji untuk dukungan kotak alat.

Mengembalikan

Boolean

true jika alat didukung oleh kotak alat dan dapat diaktifkan; false jika perancang dokumen tidak tahu cara menggunakan alat ini.

Contoh

Contoh kode berikut menunjukkan implementasi GetToolSupported metode .

// 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

Keterangan

Jika alat yang ditentukan didukung oleh perancang yang mengimplementasikan IToolboxUser antarmuka, maka alat akan diaktifkan di kotak alat ketika perancang ini memiliki fokus. Jika tidak, akan diganti. Setelah alat ditandai sebagai diaktifkan atau dinonaktifkan, alat mungkin tidak diuji untuk dukungan dengan perancang yang sama lagi.

Lihat juga

• ToolboxItem