ToolStripItem.ImageTransparentColor ToolStripItem.ImageTransparentColor ToolStripItem.ImageTransparentColor ToolStripItem.ImageTransparentColor Property

定义

获取或设置 ToolStripItem 图像中被视为透明的颜色。Gets or sets the color to treat as transparent in a ToolStripItem image.

public:
 property System::Drawing::Color ImageTransparentColor { System::Drawing::Color get(); void set(System::Drawing::Color value); };
public System.Drawing.Color ImageTransparentColor { get; set; }
member this.ImageTransparentColor : System.Drawing.Color with get, set
Public Property ImageTransparentColor As Color

属性值

Color 值之一。One of the Color values.

示例

下面的代码示例演示如何Image设置、 ImageScalingImageTransparentColor ToolStripItemThe following code example demonstrates how to set the Image, ImageScaling, and ImageTransparentColor for a ToolStripItem. 此外, 它还演示如何设置和显示项的自定义工具提示。In addition, it demonstrates how to set and show a custom ToolTip for the item.

    ToolStripButton^ imageButton;

    void InitializeImageButtonWithToolTip()
    {

        // Construct the button and set the image-related properties.
        imageButton = gcnew ToolStripButton;
        imageButton->Image = 
            gcnew Bitmap(Timer::typeid,"Timer.bmp");
        imageButton->ImageScaling = 
ToolStripItemImageScaling::SizeToFit;

        // Set the background color of the image to be transparent.
        imageButton->ImageTransparentColor = 
            Color::FromArgb(0, 255, 0);

        // Show ToolTip text, set custom ToolTip text, and turn
        // off the automatic ToolTips.
        toolStrip1->ShowItemToolTips = true;
        imageButton->ToolTipText = "Click for the current time";
        imageButton->AutoToolTip = false;

        // Add the button to the ToolStrip.
        toolStrip1->Items->Add(imageButton);
    }


    //   internal:

internal ToolStripButton imageButton;

private void InitializeImageButtonWithToolTip()
{

	// Construct the button and set the image-related properties.
	imageButton = new ToolStripButton();
	imageButton.Image = new Bitmap(typeof(Timer), "Timer.bmp");
	imageButton.ImageScaling = ToolStripItemImageScaling.SizeToFit;

	// Set the background color of the image to be transparent.
	imageButton.ImageTransparentColor = Color.FromArgb(0, 255, 0);

	// Show ToolTip text, set custom ToolTip text, and turn
	// off the automatic ToolTips.
	toolStrip1.ShowItemToolTips = true;
	imageButton.ToolTipText = "Click for the current time";
	imageButton.AutoToolTip = false;

	// Add the button to the ToolStrip.
	toolStrip1.Items.Add(imageButton);

}
Friend WithEvents imageButton As ToolStripButton

Private Sub InitializeImageButtonWithToolTip()

    ' Construct the button and set the image-related properties.
    imageButton = New ToolStripButton()
    imageButton.Image = New Bitmap(GetType(Timer), "Timer.bmp")
    imageButton.ImageScaling = ToolStripItemImageScaling.SizeToFit

    ' Set the background color of the image to be transparent.
    imageButton.ImageTransparentColor = Color.FromArgb(0, 255, 0)

    ' Show ToolTip text, set custom ToolTip text, and turn
    ' off the automatic ToolTips.
    toolStrip1.ShowItemToolTips = True
    imageButton.ToolTipText = "Click for the current time"
    imageButton.AutoToolTip = False

    ' Add the button to the ToolStrip.
    toolStrip1.Items.Add(imageButton)

End Sub

适用于