ColorDialog.AnyColor Properti
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Mendapatkan atau mengatur nilai yang menunjukkan apakah kotak dialog menampilkan semua warna yang tersedia dalam kumpulan warna dasar.
public:
virtual property bool AnyColor { bool get(); void set(bool value); };
public virtual bool AnyColor { get; set; }
member this.AnyColor : bool with get, set
Public Overridable Property AnyColor As Boolean
Nilai Properti
true
jika kotak dialog menampilkan semua warna yang tersedia dalam kumpulan warna dasar; jika tidak, false
. Nilai defaultnya adalah false
.
Contoh
Contoh kode berikut menunjukkan inisialisasi ColorDialog pengaturan AnyColorproperti , AllowFullOpen .
ColorDialog tidak memungkinkan pengguna untuk mengatur warna kustom, tetapi memungkinkan set lengkap warna dasar ditampilkan. Saat Anda mengatur SolidColorOnly properti ke false
, ini memungkinkan tampilan warna yang merupakan kombinasi warna lain pada sistem dengan 256 warna atau kurang. Contohnya juga memperlihatkan pengaturan ShowHelp properti dan menangani HelpRequest peristiwa untuk dialog. Untuk menjalankan contoh, tempelkan kode berikut dalam formulir dan panggil InitializeColorDialog
metode dalam konstruktor atau Load
metode formulir. Contoh ini mengharuskan Click
peristiwa tombol tersambung ke metode penanganan aktivitas yang ditentukan dalam contoh.
// This method initializes ColorDialog1 to allow any colors,
// and combination colors on systems with 256 colors or less,
// but will not allow the user to set custom colors. The
// dialog will contain the help button.
void InitializeColorDialog()
{
this->ColorDialog1 = gcnew System::Windows::Forms::ColorDialog;
this->ColorDialog1->AllowFullOpen = false;
this->ColorDialog1->AnyColor = true;
this->ColorDialog1->SolidColorOnly = false;
this->ColorDialog1->ShowHelp = true;
// Associate the event-handling method with
// the HelpRequest event.
this->ColorDialog1->HelpRequest +=
gcnew System::EventHandler( this, &Form1::ColorDialog1_HelpRequest );
}
// This method opens the dialog and checks the DialogResult value.
// If the result is OK, the text box's background color will be changed
// to the user-selected color.
void Button1_Click( System::Object^ sender, System::EventArgs^ e )
{
::DialogResult result = ColorDialog1->ShowDialog();
if ( result == ::DialogResult::OK )
{
TextBox1->BackColor = ColorDialog1->Color;
}
}
// This method is called when the HelpRequest event is raised,
//which occurs when the user clicks the Help button on the ColorDialog object.
void ColorDialog1_HelpRequest( Object^ sender, System::EventArgs^ e )
{
MessageBox::Show( "Please select a color by clicking it. " +
"This will change the BackColor property of the TextBox." );
}
// This method initializes ColorDialog1 to allow any colors,
// and combination colors on systems with 256 colors or less,
// but will not allow the user to set custom colors. The
// dialog will contain the help button.
private void InitializeColorDialog()
{
this.ColorDialog1 = new System.Windows.Forms.ColorDialog();
this.ColorDialog1.AllowFullOpen = false;
this.ColorDialog1.AnyColor = true;
this.ColorDialog1.SolidColorOnly = false;
this.ColorDialog1.ShowHelp = true;
// Associate the event-handling method with
// the HelpRequest event.
this.ColorDialog1.HelpRequest
+= new System.EventHandler(ColorDialog1_HelpRequest);
}
// This method opens the dialog and checks the DialogResult value.
// If the result is OK, the text box's background color will be changed
// to the user-selected color.
private void Button1_Click(System.Object sender, System.EventArgs e)
{
DialogResult result = ColorDialog1.ShowDialog();
if (result.Equals(DialogResult.OK))
{
TextBox1.BackColor = ColorDialog1.Color;
}
}
// This method is called when the HelpRequest event is raised,
//which occurs when the user clicks the Help button on the ColorDialog object.
private void ColorDialog1_HelpRequest(object sender, System.EventArgs e)
{
MessageBox.Show("Please select a color by clicking it. "
+ "This will change the BackColor property of the TextBox.");
}
' This method initializes ColorDialog1 to allow any colors,
' and combination colors on systems with 256 colors or less,
' but will not allow the user to set custom colors. The
' dialog will contain the help button.
Private Sub InitializeColorDialog()
Me.ColorDialog1 = New System.Windows.Forms.ColorDialog
Me.ColorDialog1.AllowFullOpen = False
Me.ColorDialog1.AnyColor = True
Me.ColorDialog1.SolidColorOnly = False
Me.ColorDialog1.ShowHelp = True
End Sub
' This method opens the dialog and checks the DialogResult value.
' If the result is OK, the text box's background color will be changed
' to the user-selected color.
Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
Dim result As DialogResult = ColorDialog1.ShowDialog()
If (result.Equals(DialogResult.OK)) Then
TextBox1.BackColor = ColorDialog1.Color
End If
End Sub
' This method is called when the HelpRequest event is raised,
'which occurs when the user clicks the Help button on the ColorDialog object.
Private Sub ColorDialog1_HelpRequest(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles ColorDialog1.HelpRequest
MessageBox.Show("Please select a color by clicking it." _
& "This will change the BackColor property of the TextBox.")
End Sub