ColorDialog 类

定义

public ref class ColorDialog : System::Windows::Forms::CommonDialog

public class ColorDialog : System.Windows.Forms.CommonDialog

type ColorDialog = class
    inherit CommonDialog

Public Class ColorDialog
Inherits CommonDialog

继承

Object

MarshalByRefObject

Component

CommonDialog

ColorDialog

示例

下面的示例演示如何创建新 ColorDialog项。 此示例要求从现有窗体中调用该方法，该窗体中具有一 TextBox 个并 Button 放在该窗体中。

private:
   void button1_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
   {
      ColorDialog^ MyDialog = gcnew ColorDialog;
      // Keeps the user from selecting a custom color.
      MyDialog->AllowFullOpen = false;
      // Allows the user to get help. (The default is false.)
      MyDialog->ShowHelp = true;
      // Sets the initial color select to the current text color.
      MyDialog->Color = textBox1->ForeColor;
      
      // Update the text box color if the user clicks OK 
      if ( MyDialog->ShowDialog() == ::System::Windows::Forms::DialogResult::OK )
      {
         textBox1->ForeColor = MyDialog->Color;
      }
   }

private void button1_Click(object sender, System.EventArgs e)
 {
    ColorDialog MyDialog = new ColorDialog();
    // Keeps the user from selecting a custom color.
    MyDialog.AllowFullOpen = false ;
    // Allows the user to get help. (The default is false.)
    MyDialog.ShowHelp = true ;
    // Sets the initial color select to the current text color.
    MyDialog.Color = textBox1.ForeColor ;
    
    // Update the text box color if the user clicks OK 
    if (MyDialog.ShowDialog() == DialogResult.OK)
        textBox1.ForeColor =  MyDialog.Color;
 }

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
    Dim MyDialog As New ColorDialog()
    ' Keeps the user from selecting a custom color.
    MyDialog.AllowFullOpen = False
    ' Allows the user to get help. (The default is false.)
    MyDialog.ShowHelp = True
    ' Sets the initial color select to the current text color,
    MyDialog.Color = TextBox1.ForeColor

    ' Update the text box color if the user clicks OK 
    If (MyDialog.ShowDialog() = DialogResult.OK) Then
        TextBox1.ForeColor = MyDialog.Color
    End If
End Sub

注解

必须调用继承的成员 ShowDialog 来创建此特定的通用对话框。 HookProc 可以重写以实现特定对话框挂钩功能。 用于 Color 检索用户选择的颜色。

创建实例 ColorDialog时，某些读/写属性设置为初始值。 有关这些值的列表，请参阅 ColorDialog 构造函数。

另请参阅

• CommonDialog